javapackage com.ruoyi.common.utils.bean;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Bean 工具类
*
* @author ruoyi
*/
public class BeanUtils extends org.springframework.beans.BeanUtils
{
/** Bean方法名中属性名开始的下标 */
private static final int BEAN_METHOD_PROP_INDEX = 3;
/** * 匹配getter方法的正则表达式 */
private static final Pattern GET_PATTERN = Pattern.compile("get(\\p{javaUpperCase}\\w*)");
/** * 匹配setter方法的正则表达式 */
private static final Pattern SET_PATTERN = Pattern.compile("set(\\p{javaUpperCase}\\w*)");
/**
* Bean属性复制工具方法。
*
* @param dest 目标对象
* @param src 源对象
*/
public static void copyBeanProp(Object dest, Object src)
{
try
{
copyProperties(src, dest);
}
catch (Exception e)
{
e.printStackTrace();
}
}
/**
* 获取对象的setter方法。
*
* @param obj 对象
* @return 对象的setter方法列表
*/
public static List<Method> getSetterMethods(Object obj)
{
// setter方法列表
List<Method> setterMethods = new ArrayList<Method>();
// 获取所有方法
Method[] methods = obj.getClass().getMethods();
// 查找setter方法
for (Method method : methods)
{
Matcher m = SET_PATTERN.matcher(method.getName());
if (m.matches() && (method.getParameterTypes().length == 1))
{
setterMethods.add(method);
}
}
// 返回setter方法列表
return setterMethods;
}
/**
* 获取对象的getter方法。
*
* @param obj 对象
* @return 对象的getter方法列表
*/
public static List<Method> getGetterMethods(Object obj)
{
// getter方法列表
List<Method> getterMethods = new ArrayList<Method>();
// 获取所有方法
Method[] methods = obj.getClass().getMethods();
// 查找getter方法
for (Method method : methods)
{
Matcher m = GET_PATTERN.matcher(method.getName());
if (m.matches() && (method.getParameterTypes().length == 0))
{
getterMethods.add(method);
}
}
// 返回getter方法列表
return getterMethods;
}
/**
* 检查Bean方法名中的属性名是否相等。<br>
* 如getName()和setName()属性名一样，getName()和setAge()属性名不一样。
*
* @param m1 方法名1
* @param m2 方法名2
* @return 属性名一样返回true，否则返回false
*/
public static boolean isMethodPropEquals(String m1, String m2)
{
return m1.substring(BEAN_METHOD_PROP_INDEX).equals(m2.substring(BEAN_METHOD_PROP_INDEX));
}
}
java
package com.ruoyi.common.utils.file;
import java.io.File;
import org.apache.commons.lang3.StringUtils;
/**
* 文件类型工具类
*
* @author ruoyi
*/
public class FileTypeUtils
{
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param file 文件名
* @return 后缀（不含".")
*/
public static String getFileType(File file)
{
if (null == file)
{
return StringUtils.EMPTY;
}
return getFileType(file.getName());
}
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param fileName 文件名
* @return 后缀（不含".")
*/
public static String getFileType(String fileName)
{
int separatorIndex = fileName.lastIndexOf(".");
if (separatorIndex < 0)
{
return "";
}
return fileName.substring(separatorIndex + 1).toLowerCase();
}
/**
* 获取文件类型
*
* @param photoByte 文件字节码
* @return 后缀（不含".")
*/
public static String getFileExtendName(byte[] photoByte)
{
String strFileExtendName = "JPG";
if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
&& ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
{
strFileExtendName = "GIF";
}
else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
{
strFileExtendName = "JPG";
}
else if ((photoByte[0] == 66) && (photoByte[1] == 77))
{
strFileExtendName = "BMP";
}
else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
{
strFileExtendName = "PNG";
}
return strFileExtendName;
}
}
java
package com.ruoyi.common.utils.file;
import java.io.File;
import java.io.IOException;
import java.nio.file.Paths;
import java.util.Objects;
import org.apache.commons.io.FilenameUtils;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.exception.file.FileNameLengthLimitExceededException;
import com.ruoyi.common.exception.file.FileSizeLimitExceededException;
import com.ruoyi.common.exception.file.InvalidExtensionException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.uuid.Seq;
/**
* 文件上传工具类
*
* @author ruoyi
*/
public class FileUploadUtils
{
/**
* 默认大小 50M
*/
public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
/**
* 默认的文件名最大长度 100
*/
public static final int DEFAULT_FILE_NAME_LENGTH = 100;
/**
* 默认上传的地址
*/
private static String defaultBaseDir = RuoYiConfig.getProfile();
public static void setDefaultBaseDir(String defaultBaseDir)
{
FileUploadUtils.defaultBaseDir = defaultBaseDir;
}
public static String getDefaultBaseDir()
{
return defaultBaseDir;
}
/**
* 以默认配置进行文件上传
*
* @param file 上传的文件
* @return 文件名称
* @throws Exception
*/
public static final String upload(MultipartFile file) throws IOException
{
try
{
return upload(getDefaultBaseDir(), file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
}
catch (Exception e)
{
throw new IOException(e.getMessage(), e);
}
}
/**
* 根据文件路径上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @return 文件名称
* @throws IOException
*/
public static final String upload(String baseDir, MultipartFile file) throws IOException
{
try
{
return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
}
catch (Exception e)
{
throw new IOException(e.getMessage(), e);
}
}
/**
* 文件上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @param allowedExtension 上传文件类型
* @return 返回上传成功的文件名
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws FileNameLengthLimitExceededException 文件名太长
* @throws IOException 比如读写文件出错时
* @throws InvalidExtensionException 文件校验异常
*/
public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
InvalidExtensionException
{
int fileNamelength = Objects.requireNonNull(file.getOriginalFilename()).length();
if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
{
throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
}
assertAllowed(file, allowedExtension);
String fileName = extractFilename(file);
String absPath = getAbsoluteFile(baseDir, fileName).getAbsolutePath();
file.transferTo(Paths.get(absPath));
return getPathFileName(baseDir, fileName);
}
/**
* 编码文件名
*/
public static final String extractFilename(MultipartFile file)
{
return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), getExtension(file));
}
public static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
{
File desc = new File(uploadDir + File.separator + fileName);
if (!desc.exists())
{
if (!desc.getParentFile().exists())
{
desc.getParentFile().mkdirs();
}
}
return desc;
}
public static final String getPathFileName(String uploadDir, String fileName) throws IOException
{
int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
return Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
}
/**
* 文件大小校验
*
* @param file 上传的文件
* @return
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws InvalidExtensionException
*/
public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, InvalidExtensionException
{
long size = file.getSize();
if (size > DEFAULT_MAX_SIZE)
{
throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
}
String fileName = file.getOriginalFilename();
String extension = getExtension(file);
if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
{
if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
{
throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
fileName);
}
else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
{
throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
fileName);
}
else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
{
throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
fileName);
}
else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
{
throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
fileName);
}
else
{
throw new InvalidExtensionException(allowedExtension, extension, fileName);
}
}
}
/**
* 判断MIME类型是否是允许的MIME类型
*
* @param extension
* @param allowedExtension
* @return
*/
public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
{
for (String str : allowedExtension)
{
if (str.equalsIgnoreCase(extension))
{
return true;
}
}
return false;
}
/**
* 获取文件名的后缀
*
* @param file 表单文件
* @return 后缀名
*/
public static final String getExtension(MultipartFile file)
{
String extension = FilenameUtils.getExtension(file.getOriginalFilename());
if (StringUtils.isEmpty(extension))
{
extension = MimeTypeUtils.getExtension(Objects.requireNonNull(file.getContentType()));
}
return extension;
}
}
javapackage com.ruoyi.common.utils.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.ArrayUtils;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.uuid.IdUtils;
import org.apache.commons.io.FilenameUtils;
/**
* 文件处理工具类
*
* @author ruoyi
*/
public class FileUtils
{
public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+";
/**
* 输出指定文件的byte数组
*
* @param filePath 文件路径
* @param os 输出流
* @return
*/
public static void writeBytes(String filePath, OutputStream os) throws IOException
{
FileInputStream fis = null;
try
{
File file = new File(filePath);
if (!file.exists())
{
throw new FileNotFoundException(filePath);
}
fis = new FileInputStream(file);
byte[] b = new byte[1024];
int length;
while ((length = fis.read(b)) > 0)
{
os.write(b, 0, length);
}
}
catch (IOException e)
{
throw e;
}
finally
{
IOUtils.close(os);
IOUtils.close(fis);
}
}
/**
* 写数据到文件中
*
* @param data 数据
* @return 目标文件
* @throws IOException IO异常
*/
public static String writeImportBytes(byte[] data) throws IOException
{
return writeBytes(data, RuoYiConfig.getImportPath());
}
/**
* 写数据到文件中
*
* @param data 数据
* @param uploadDir 目标文件
* @return 目标文件
* @throws IOException IO异常
*/
public static String writeBytes(byte[] data, String uploadDir) throws IOException
{
FileOutputStream fos = null;
String pathName = "";
try
{
String extension = getFileExtendName(data);
pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
fos = new FileOutputStream(file);
fos.write(data);
}
finally
{
IOUtils.close(fos);
}
return FileUploadUtils.getPathFileName(uploadDir, pathName);
}
/**
* 删除文件
*
* @param filePath 文件
* @return
*/
public static boolean deleteFile(String filePath)
{
boolean flag = false;
File file = new File(filePath);
// 路径为文件且不为空则进行删除
if (file.isFile() && file.exists())
{
file.delete();
flag = true;
}
return flag;
}
/**
* 文件名称验证
*
* @param filename 文件名称
* @return true 正常 false 非法
*/
public static boolean isValidFilename(String filename)
{
return filename.matches(FILENAME_PATTERN);
}
/**
* 检查文件是否可下载
*
* @param resource 需要下载的文件
* @return true 正常 false 非法
*/
public static boolean checkAllowDownload(String resource)
{
// 禁止目录上跳级别
if (StringUtils.contains(resource, ".."))
{
return false;
}
// 检查允许下载的文件规则
if (ArrayUtils.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource)))
{
return true;
}
// 不在允许下载的文件规则
return false;
}
/**
* 下载文件名重新编码
*
* @param request 请求对象
* @param fileName 文件名
* @return 编码后的文件名
*/
public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException
{
final String agent = request.getHeader("USER-AGENT");
String filename = fileName;
if (agent.contains("MSIE"))
{
// IE浏览器
filename = URLEncoder.encode(filename, "utf-8");
filename = filename.replace("+", " ");
}
else if (agent.contains("Firefox"))
{
// 火狐浏览器
filename = new String(fileName.getBytes(), "ISO8859-1");
}
else if (agent.contains("Chrome"))
{
// google浏览器
filename = URLEncoder.encode(filename, "utf-8");
}
else
{
// 其它浏览器
filename = URLEncoder.encode(filename, "utf-8");
}
return filename;
}
/**
* 下载文件名重新编码
*
* @param response 响应对象
* @param realFileName 真实文件名
*/
public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException
{
String percentEncodedFileName = percentEncode(realFileName);
StringBuilder contentDispositionValue = new StringBuilder();
contentDispositionValue.append("attachment; filename=")
.append(percentEncodedFileName)
.append(";")
.append("filename*=")
.append("utf-8''")
.append(percentEncodedFileName);
response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
response.setHeader("Content-disposition", contentDispositionValue.toString());
response.setHeader("download-filename", percentEncodedFileName);
}
/**
* 百分号编码工具方法
*
* @param s 需要百分号编码的字符串
* @return 百分号编码后的字符串
*/
public static String percentEncode(String s) throws UnsupportedEncodingException
{
String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
return encode.replaceAll("\\+", "%20");
}
/**
* 获取图像后缀
*
* @param photoByte 图像数据
* @return 后缀名
*/
public static String getFileExtendName(byte[] photoByte)
{
String strFileExtendName = "jpg";
if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
&& ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
{
strFileExtendName = "gif";
}
else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
{
strFileExtendName = "jpg";
}
else if ((photoByte[0] == 66) && (photoByte[1] == 77))
{
strFileExtendName = "bmp";
}
else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
{
strFileExtendName = "png";
}
return strFileExtendName;
}
/**
* 获取文件名称 /profile/upload/2022/04/16/ruoyi.png -- ruoyi.png
*
* @param fileName 路径名称
* @return 没有文件路径的名称
*/
public static String getName(String fileName)
{
if (fileName == null)
{
return null;
}
int lastUnixPos = fileName.lastIndexOf('/');
int lastWindowsPos = fileName.lastIndexOf('\\');
int index = Math.max(lastUnixPos, lastWindowsPos);
return fileName.substring(index + 1);
}
/**
* 获取不带后缀文件名称 /profile/upload/2022/04/16/ruoyi.png -- ruoyi
*
* @param fileName 路径名称
* @return 没有文件路径和后缀的名称
*/
public static String getNameNotSuffix(String fileName)
{
if (fileName == null)
{
return null;
}
String baseName = FilenameUtils.getBaseName(fileName);
return baseName;
}
}
java
package com.ruoyi.common.utils.file;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
import org.apache.poi.util.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.utils.StringUtils;
/**
* 图片处理工具类
*
* @author ruoyi
*/
public class ImageUtils
{
private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
public static byte[] getImage(String imagePath)
{
InputStream is = getFile(imagePath);
try
{
return IOUtils.toByteArray(is);
}
catch (Exception e)
{
log.error("图片加载异常 {}", e);
return null;
}
finally
{
IOUtils.closeQuietly(is);
}
}
public static InputStream getFile(String imagePath)
{
try
{
byte[] result = readFile(imagePath);
result = Arrays.copyOf(result, result.length);
return new ByteArrayInputStream(result);
}
catch (Exception e)
{
log.error("获取图片异常 {}", e);
}
return null;
}
/**
* 读取文件为字节数据
*
* @param url 地址
* @return 字节数据
*/
public static byte[] readFile(String url)
{
InputStream in = null;
try
{
if (url.startsWith("http"))
{
// 网络地址
URL urlObj = new URL(url);
URLConnection urlConnection = urlObj.openConnection();
urlConnection.setConnectTimeout(30 * 1000);
urlConnection.setReadTimeout(60 * 1000);
urlConnection.setDoInput(true);
in = urlConnection.getInputStream();
}
else
{
// 本机地址
String localPath = RuoYiConfig.getProfile();
String downloadPath = localPath + StringUtils.substringAfter(url, Constants.RESOURCE_PREFIX);
in = new FileInputStream(downloadPath);
}
return IOUtils.toByteArray(in);
}
catch (Exception e)
{
log.error("获取文件路径异常 {}", e);
return null;
}
finally
{
IOUtils.closeQuietly(in);
}
}
}
javapackage com.ruoyi.common.utils.file;
/**
* 媒体类型工具类
*
* @author ruoyi
*/
public class MimeTypeUtils
{
public static final String IMAGE_PNG = "image/png";
public static final String IMAGE_JPG = "image/jpg";
public static final String IMAGE_JPEG = "image/jpeg";
public static final String IMAGE_BMP = "image/bmp";
public static final String IMAGE_GIF = "image/gif";
public static final String[] IMAGE_EXTENSION = { "bmp", "gif", "jpg", "jpeg", "png" };
public static final String[] FLASH_EXTENSION = { "swf", "flv" };
public static final String[] MEDIA_EXTENSION = { "swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg",
"asf", "rm", "rmvb" };
public static final String[] VIDEO_EXTENSION = { "mp4", "avi", "rmvb" };
public static final String[] DEFAULT_ALLOWED_EXTENSION = {
// 图片
"bmp", "gif", "jpg", "jpeg", "png",
// word excel powerpoint
"doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt",
// 压缩文件
"rar", "zip", "gz", "bz2",
// 视频格式
"mp4", "avi", "rmvb",
// pdf
"pdf" };
public static String getExtension(String prefix)
{
switch (prefix)
{
case IMAGE_PNG:
return "png";
case IMAGE_JPG:
return "jpg";
case IMAGE_JPEG:
return "jpeg";
case IMAGE_BMP:
return "bmp";
case IMAGE_GIF:
return "gif";
default:
return "";
}
}
}
java
package com.ruoyi.common.utils.http;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.utils.StringUtils;
/**
* 通用http发送方法
*
* @author ruoyi
*/
public class HttpUtils
{
private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
/**
* 向指定 URL 发送GET方法的请求
*
* @param url 发送请求的 URL
* @return 所代表远程资源的响应结果
*/
public static String sendGet(String url)
{
return sendGet(url, StringUtils.EMPTY);
}
/**
* 向指定 URL 发送GET方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param)
{
return sendGet(url, param, Constants.UTF8);
}
/**
* 向指定 URL 发送GET方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @param contentType 编码类型
* @return 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param, String contentType)
{
StringBuilder result = new StringBuilder();
BufferedReader in = null;
try
{
String urlNameString = StringUtils.isNotBlank(param) ? url + "?" + param : url;
log.info("sendGet - {}", urlNameString);
URL realUrl = new URL(urlNameString);
URLConnection connection = realUrl.openConnection();
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
connection.connect();
in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
String line;
while ((line = in.readLine()) != null)
{
result.append(line);
}
log.info("recv - {}", result);
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
}
catch (IOException e)
{
log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
}
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (Exception ex)
{
log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
}
}
return result.toString();
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, String param)
{
PrintWriter out = null;
BufferedReader in = null;
StringBuilder result = new StringBuilder();
try
{
log.info("sendPost - {}", url);
URL realUrl = new URL(url);
URLConnection conn = realUrl.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
conn.setRequestProperty("Accept-Charset", "utf-8");
conn.setRequestProperty("contentType", "utf-8");
conn.setDoOutput(true);
conn.setDoInput(true);
out = new PrintWriter(conn.getOutputStream());
out.print(param);
out.flush();
in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
String line;
while ((line = in.readLine()) != null)
{
result.append(line);
}
log.info("recv - {}", result);
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
}
catch (IOException e)
{
log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
}
finally
{
try
{
if (out != null)
{
out.close();
}
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
}
}
return result.toString();
}
public static String sendSSLPost(String url, String param)
{
StringBuilder result = new StringBuilder();
String urlNameString = url + "?" + param;
try
{
log.info("sendSSLPost - {}", urlNameString);
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
URL console = new URL(urlNameString);
HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
conn.setRequestProperty("Accept-Charset", "utf-8");
conn.setRequestProperty("contentType", "utf-8");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setSSLSocketFactory(sc.getSocketFactory());
conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
conn.connect();
InputStream is = conn.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String ret = "";
while ((ret = br.readLine()) != null)
{
if (ret != null && !"".equals(ret.trim()))
{
result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
}
}
log.info("recv - {}", result);
conn.disconnect();
br.close();
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
}
catch (IOException e)
{
log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
}
return result.toString();
}
private static class TrustAnyTrustManager implements X509TrustManager
{
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
{
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
{
}
@Override
public X509Certificate[] getAcceptedIssuers()
{
return new X509Certificate[] {};
}
}
private static class TrustAnyHostnameVerifier implements HostnameVerifier
{
@Override
public boolean verify(String hostname, SSLSession session)
{
return true;
}
}
}
java
package com.ruoyi.common.utils.ip;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.http.HttpUtils;
/**
* 获取地址类
*
* @author ruoyi
*/
public class AddressUtils
{
private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);
// IP地址查询
public static final String IP_URL = "http://whois.pconline.com.cn/ipJson.jsp";
// 未知地址
public static final String UNKNOWN = "XX XX";
public static String getRealAddressByIP(String ip)
{
// 内网不查询
if (IpUtils.internalIp(ip))
{
return "内网IP";
}
if (RuoYiConfig.isAddressEnabled())
{
try
{
String rspStr = HttpUtils.sendGet(IP_URL, "ip=" + ip + "&json=true", Constants.GBK);
if (StringUtils.isEmpty(rspStr))
{
log.error("获取地理位置异常 {}", ip);
return UNKNOWN;
}
JSONObject obj = JSON.parseObject(rspStr);
String region = obj.getString("pro");
String city = obj.getString("city");
return String.format("%s %s", region, city);
}
catch (Exception e)
{
log.error("获取地理位置异常 {}", ip);
}
}
return UNKNOWN;
}
}
java
package com.ruoyi.common.utils.ip;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.servlet.http.HttpServletRequest;
import com.ruoyi.common.utils.StringUtils;
/**
* 获取IP方法
*
* @author ruoyi
*/
public class IpUtils
{
/**
* 获取客户端IP
*
* @param request 请求对象
* @return IP地址
*/
public static String getIpAddr(HttpServletRequest request)
{
if (request == null)
{
return "unknown";
}
String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getHeader("X-Forwarded-For");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getHeader("X-Real-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getRemoteAddr();
}
return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip);
}
/**
* 检查是否为内部IP地址
*
* @param ip IP地址
* @return 结果
*/
public static boolean internalIp(String ip)
{
byte[] addr = textToNumericFormatV4(ip);
return internalIp(addr) || "127.0.0.1".equals(ip);
}
/**
* 检查是否为内部IP地址
*
* @param addr byte地址
* @return 结果
*/
private static boolean internalIp(byte[] addr)
{
if (StringUtils.isNull(addr) || addr.length < 2)
{
return true;
}
final byte b0 = addr[0];
final byte b1 = addr[1];
// 10.x.x.x/8
final byte SECTION_1 = 0x0A;
// 172.16.x.x/12
final byte SECTION_2 = (byte) 0xAC;
final byte SECTION_3 = (byte) 0x10;
final byte SECTION_4 = (byte) 0x1F;
// 192.168.x.x/16
final byte SECTION_5 = (byte) 0xC0;
final byte SECTION_6 = (byte) 0xA8;
switch (b0)
{
case SECTION_1:
return true;
case SECTION_2:
if (b1 >= SECTION_3 && b1 <= SECTION_4)
{
return true;
}
case SECTION_5:
switch (b1)
{
case SECTION_6:
return true;
}
default:
return false;
}
}
/**
* 将IPv4地址转换成字节
*
* @param text IPv4地址
* @return byte 字节
*/
public static byte[] textToNumericFormatV4(String text)
{
if (text.length() == 0)
{
return null;
}
byte[] bytes = new byte[4];
String[] elements = text.split("\\.", -1);
try
{
long l;
int i;
switch (elements.length)
{
case 1:
l = Long.parseLong(elements[0]);
if ((l < 0L) || (l > 4294967295L))
{
return null;
}
bytes[0] = (byte) (int) (l >> 24 & 0xFF);
bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 2:
l = Integer.parseInt(elements[0]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[0] = (byte) (int) (l & 0xFF);
l = Integer.parseInt(elements[1]);
if ((l < 0L) || (l > 16777215L))
{
return null;
}
bytes[1] = (byte) (int) (l >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 3:
for (i = 0; i < 2; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
l = Integer.parseInt(elements[2]);
if ((l < 0L) || (l > 65535L))
{
return null;
}
bytes[2] = (byte) (int) (l >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 4:
for (i = 0; i < 4; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
break;
default:
return null;
}
}
catch (NumberFormatException e)
{
return null;
}
return bytes;
}
/**
* 获取IP地址
*
* @return 本地IP地址
*/
public static String getHostIp()
{
try
{
return InetAddress.getLocalHost().getHostAddress();
}
catch (UnknownHostException e)
{
}
return "127.0.0.1";
}
/**
* 获取主机名
*
* @return 本地主机名
*/
public static String getHostName()
{
try
{
return InetAddress.getLocalHost().getHostName();
}
catch (UnknownHostException e)
{
}
return "未知";
}
/**
* 从多级反向代理中获得第一个非unknown IP地址
*
* @param ip 获得的IP地址
* @return 第一个非unknown IP地址
*/
public static String getMultistageReverseProxyIp(String ip)
{
// 多级反向代理检测
if (ip != null && ip.indexOf(",") > 0)
{
final String[] ips = ip.trim().split(",");
for (String subIp : ips)
{
if (false == isUnknown(subIp))
{
ip = subIp;
break;
}
}
}
return ip;
}
/**
* 检测给定字符串是否为未知，多用于检测HTTP请求相关
*
* @param checkString 被检测的字符串
* @return 是否未知
*/
public static boolean isUnknown(String checkString)
{
return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
}
}
javapackage com.ruoyi.common.utils.poi;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils;
import org.apache.commons.lang3.reflect.FieldUtils;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFPicture;
import org.apache.poi.hssf.usermodel.HSSFPictureData;
import org.apache.poi.hssf.usermodel.HSSFShape;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.ClientAnchor;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.usermodel.PictureData;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.apache.poi.xssf.usermodel.XSSFDrawing;
import org.apache.poi.xssf.usermodel.XSSFPicture;
import org.apache.poi.xssf.usermodel.XSSFShape;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.annotation.Excel;
import com.ruoyi.common.annotation.Excel.ColumnType;
import com.ruoyi.common.annotation.Excel.Type;
import com.ruoyi.common.annotation.Excels;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.exception.UtilException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.DictUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileTypeUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.common.utils.file.ImageUtils;
import com.ruoyi.common.utils.reflect.ReflectUtils;
/**
* Excel相关处理
*
* @author ruoyi
*/
public class ExcelUtil<T>
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
/**
* Excel sheet最大行数，默认65536
*/
public static final int sheetSize = 65536;
/**
* 工作表名称
*/
private String sheetName;
/**
* 导出类型（EXPORT:导出数据；IMPORT：导入模板）
*/
private Type type;
/**
* 工作薄对象
*/
private Workbook wb;
/**
* 工作表对象
*/
private Sheet sheet;
/**
* 样式列表
*/
private Map<String, CellStyle> styles;
/**
* 导入导出数据列表
*/
private List<T> list;
/**
* 注解列表
*/
private List<Object[]> fields;
/**
* 当前行号
*/
private int rownum;
/**
* 标题
*/
private String title;
/**
* 最大高度
*/
private short maxHeight;
/**
* 合并后最后行数
*/
private int subMergedLastRowNum = 0;
/**
* 合并后开始行数
*/
private int subMergedFirstRowNum = 1;
/**
* 对象的子列表方法
*/
private Method subMethod;
/**
* 对象的子列表属性
*/
private List<Field> subFields;
/**
* 统计列表
*/
private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
/**
* 数字格式
*/
private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
/**
* 实体对象
*/
public Class<T> clazz;
/**
* 需要排除列属性
*/
public String[] excludeFields;
public ExcelUtil(Class<T> clazz)
{
this.clazz = clazz;
}
/**
* 隐藏Excel中列属性
*
* @param fields 列属性名 示例[单个"name"/多个"id","name"]
* @throws Exception
*/
public void hideColumn(String... fields)
{
this.excludeFields = fields;
}
public void init(List<T> list, String sheetName, String title, Type type)
{
if (list == null)
{
list = new ArrayList<T>();
}
this.list = list;
this.sheetName = sheetName;
this.type = type;
this.title = title;
createExcelField();
createWorkbook();
createTitle();
createSubHead();
}
/**
* 创建excel第一行标题
*/
public void createTitle()
{
if (StringUtils.isNotEmpty(title))
{
subMergedFirstRowNum++;
subMergedLastRowNum++;
int titleLastCol = this.fields.size() - 1;
if (isSubList())
{
titleLastCol = titleLastCol + subFields.size() - 1;
}
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
titleCell.setCellValue(title);
sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
}
}
/**
* 创建对象的子列表名称
*/
public void createSubHead()
{
if (isSubList())
{
subMergedFirstRowNum++;
subMergedLastRowNum++;
Row subRow = sheet.createRow(rownum);
int excelNum = 0;
for (Object[] objects : fields)
{
Excel attr = (Excel) objects[1];
Cell headCell1 = subRow.createCell(excelNum);
headCell1.setCellValue(attr.name());
headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
excelNum++;
}
int headFirstRow = excelNum - 1;
int headLastRow = headFirstRow + subFields.size() - 1;
if (headLastRow > headFirstRow)
{
sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));
}
rownum++;
}
}
/**
* 对excel表单默认第一个索引名转换成list
*
* @param is 输入流
* @return 转换后集合
*/
public List<T> importExcel(InputStream is) throws Exception
{
return importExcel(is, 0);
}
/**
* 对excel表单默认第一个索引名转换成list
*
* @param is 输入流
* @param titleNum 标题占用行数
* @return 转换后集合
*/
public List<T> importExcel(InputStream is, int titleNum) throws Exception
{
return importExcel(StringUtils.EMPTY, is, titleNum);
}
/**
* 对excel表单指定表格索引名转换成list
*
* @param sheetName 表格索引名
* @param titleNum 标题占用行数
* @param is 输入流
* @return 转换后集合
*/
public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception
{
this.type = Type.IMPORT;
this.wb = WorkbookFactory.create(is);
List<T> list = new ArrayList<T>();
// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
if (sheet == null)
{
throw new IOException("文件sheet不存在");
}
boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
Map<String, PictureData> pictures;
if (isXSSFWorkbook)
{
pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb);
}
else
{
pictures = getSheetPictures03((HSSFSheet) sheet, (HSSFWorkbook) wb);
}
// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
int rows = sheet.getLastRowNum();
if (rows > 0)
{
// 定义一个map用于存放excel列的序号和field.
Map<String, Integer> cellMap = new HashMap<String, Integer>();
// 获取表头
Row heard = sheet.getRow(titleNum);
for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
{
Cell cell = heard.getCell(i);
if (StringUtils.isNotNull(cell))
{
String value = this.getCellValue(heard, i).toString();
cellMap.put(value, i);
}
else
{
cellMap.put(null, i);
}
}
// 有数据时才处理 得到类的所有field.
List<Object[]> fields = this.getFields();
Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
for (Object[] objects : fields)
{
Excel attr = (Excel) objects[1];
Integer column = cellMap.get(attr.name());
if (column != null)
{
fieldsMap.put(column, objects);
}
}
for (int i = titleNum + 1; i <= rows; i++)
{
// 从第2行开始取数据,默认第一行是表头.
Row row = sheet.getRow(i);
// 判断当前行是否是空行
if (isRowEmpty(row))
{
continue;
}
T entity = null;
for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
{
Object val = this.getCellValue(row, entry.getKey());
// 如果不存在实例则新建.
entity = (entity == null ? clazz.newInstance() : entity);
// 从map中得到对应列的field.
Field field = (Field) entry.getValue()[0];
Excel attr = (Excel) entry.getValue()[1];
// 取得类型,并根据对象类型设置值.
Class<?> fieldType = field.getType();
if (String.class == fieldType)
{
String s = Convert.toStr(val);
if (StringUtils.endsWith(s, ".0"))
{
val = StringUtils.substringBefore(s, ".0");
}
else
{
String dateFormat = field.getAnnotation(Excel.class).dateFormat();
if (StringUtils.isNotEmpty(dateFormat))
{
val = parseDateToStr(dateFormat, val);
}
else
{
val = Convert.toStr(val);
}
}
}
else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
{
val = Convert.toInt(val);
}
else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
{
val = Convert.toLong(val);
}
else if (Double.TYPE == fieldType || Double.class == fieldType)
{
val = Convert.toDouble(val);
}
else if (Float.TYPE == fieldType || Float.class == fieldType)
{
val = Convert.toFloat(val);
}
else if (BigDecimal.class == fieldType)
{
val = Convert.toBigDecimal(val);
}
else if (Date.class == fieldType)
{
if (val instanceof String)
{
val = DateUtils.parseDate(val);
}
else if (val instanceof Double)
{
val = DateUtil.getJavaDate((Double) val);
}
}
else if (Boolean.TYPE == fieldType || Boolean.class == fieldType)
{
val = Convert.toBool(val, false);
}
if (StringUtils.isNotNull(fieldType))
{
String propertyName = field.getName();
if (StringUtils.isNotEmpty(attr.targetAttr()))
{
propertyName = field.getName() + "." + attr.targetAttr();
}
else if (StringUtils.isNotEmpty(attr.readConverterExp()))
{
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
}
else if (StringUtils.isNotEmpty(attr.dictType()))
{
val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
val = dataFormatHandlerAdapter(val, attr);
}
else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
{
PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
if (image == null)
{
val = "";
}
else
{
byte[] data = image.getData();
val = FileUtils.writeImportBytes(data);
}
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
}
list.add(entity);
}
}
return list;
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
*/
public AjaxResult exportExcel(List<T> list, String sheetName)
{
return exportExcel(list, sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public AjaxResult exportExcel(List<T> list, String sheetName, String title)
{
this.init(list, sheetName, title, Type.EXPORT);
return exportExcel();
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
{
exportExcel(response, list, sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(list, sheetName, title, Type.EXPORT);
exportExcel(response);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
public AjaxResult importTemplateExcel(String sheetName)
{
return importTemplateExcel(sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public AjaxResult importTemplateExcel(String sheetName, String title)
{
this.init(null, sheetName, title, Type.IMPORT);
return exportExcel();
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName)
{
importTemplateExcel(response, sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(null, sheetName, title, Type.IMPORT);
exportExcel(response);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @return 结果
*/
public void exportExcel(HttpServletResponse response)
{
try
{
writeSheet();
wb.write(response.getOutputStream());
}
catch (Exception e)
{
log.error("导出Excel异常{}", e.getMessage());
}
finally
{
IOUtils.closeQuietly(wb);
}
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @return 结果
*/
public AjaxResult exportExcel()
{
OutputStream out = null;
try
{
writeSheet();
String filename = encodingFilename(sheetName);
out = new FileOutputStream(getAbsoluteFile(filename));
wb.write(out);
return AjaxResult.success(filename);
}
catch (Exception e)
{
log.error("导出Excel异常{}", e.getMessage());
throw new UtilException("导出Excel失败，请联系网站管理员！");
}
finally
{
IOUtils.closeQuietly(wb);
IOUtils.closeQuietly(out);
}
}
/**
* 创建写入数据到Sheet
*/
public void writeSheet()
{
// 取出一共有多少个sheet.
int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
for (int index = 0; index < sheetNo; index++)
{
createSheet(sheetNo, index);
// 产生一行
Row row = sheet.createRow(rownum);
int column = 0;
// 写入各个字段的列头名称
for (Object[] os : fields)
{
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
if (Collection.class.isAssignableFrom(field.getType()))
{
for (Field subField : subFields)
{
Excel subExcel = subField.getAnnotation(Excel.class);
this.createHeadCell(subExcel, row, column++);
}
}
else
{
this.createHeadCell(excel, row, column++);
}
}
if (Type.EXPORT.equals(type))
{
fillExcelData(index, row);
addStatisticsRow();
}
}
}
/**
* 填充excel数据
*
* @param index 序号
* @param row 单元格行
*/
@SuppressWarnings("unchecked")
public void fillExcelData(int index, Row row)
{
int startNo = index * sheetSize;
int endNo = Math.min(startNo + sheetSize, list.size());
int rowNo = (1 + rownum) - startNo;
for (int i = startNo; i < endNo; i++)
{
rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;
row = sheet.createRow(rowNo);
// 得到导出对象.
T vo = (T) list.get(i);
Collection<?> subList = null;
if (isSubList())
{
if (isSubListValue(vo))
{
subList = getListCellValue(vo);
subMergedLastRowNum = subMergedLastRowNum + subList.size();
}
else
{
subMergedFirstRowNum++;
subMergedLastRowNum++;
}
}
int column = 0;
for (Object[] os : fields)
{
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))
{
boolean subFirst = false;
for (Object obj : subList)
{
if (subFirst)
{
rowNo++;
row = sheet.createRow(rowNo);
}
List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);
int subIndex = 0;
for (Field subField : subFields)
{
if (subField.isAnnotationPresent(Excel.class))
{
subField.setAccessible(true);
Excel attr = subField.getAnnotation(Excel.class);
this.addCell(attr, row, (T) obj, subField, column + subIndex);
}
subIndex++;
}
subFirst = true;
}
this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
}
else
{
this.addCell(excel, row, vo, field, column++);
}
}
}
}
/**
* 创建表格样式
*
* @param wb 工作薄对象
* @return 样式列表
*/
private Map<String, CellStyle> createStyles(Workbook wb)
{
// 写入各条记录,每条记录对应excel表中的一行
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
CellStyle style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
Font titleFont = wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBold(true);
style.setFont(titleFont);
styles.put("title", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(BorderStyle.THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(BorderStyle.THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
Font dataFont = wb.createFont();
dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10);
style.setFont(dataFont);
styles.put("data", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
Font totalFont = wb.createFont();
totalFont.setFontName("Arial");
totalFont.setFontHeightInPoints((short) 10);
style.setFont(totalFont);
styles.put("total", style);
styles.putAll(annotationHeaderStyles(wb, styles));
styles.putAll(annotationDataStyles(wb));
return styles;
}
/**
* 根据Excel注解创建表格头样式
*
* @param wb 工作薄对象
* @return 自定义样式列表
*/
private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
{
Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
for (Object[] os : fields)
{
Excel excel = (Excel) os[1];
String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
if (!headerStyles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setFillForegroundColor(excel.headerBackgroundColor().index);
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
Font headerFont = wb.createFont();
headerFont.setFontName("Arial");
headerFont.setFontHeightInPoints((short) 10);
headerFont.setBold(true);
headerFont.setColor(excel.headerColor().index);
style.setFont(headerFont);
headerStyles.put(key, style);
}
}
return headerStyles;
}
/**
* 根据Excel注解创建表格列样式
*
* @param wb 工作薄对象
* @return 自定义样式列表
*/
private Map<String, CellStyle> annotationDataStyles(Workbook wb)
{
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
for (Object[] os : fields)
{
Excel excel = (Excel) os[1];
String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
if (!styles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
style.setAlignment(excel.align());
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(BorderStyle.THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(BorderStyle.THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setFillForegroundColor(excel.backgroundColor().getIndex());
Font dataFont = wb.createFont();
dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10);
dataFont.setColor(excel.color().index);
style.setFont(dataFont);
styles.put(key, style);
}
}
return styles;
}
/**
* 创建单元格
*/
public Cell createHeadCell(Excel attr, Row row, int column)
{
// 创建列
Cell cell = row.createCell(column);
// 写入列信息
cell.setCellValue(attr.name());
setDataValidation(attr, row, column);
cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
if (isSubList())
{
// 填充默认样式，防止合并单元格样式失效
sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
if (attr.needMerge())
{
sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
}
}
return cell;
}
/**
* 设置单元格信息
*
* @param value 单元格值
* @param attr 注解相关
* @param cell 单元格信息
*/
public void setCellVo(Object value, Excel attr, Cell cell)
{
if (ColumnType.STRING == attr.cellType())
{
String cellValue = Convert.toStr(value);
// 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
{
cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
}
if (value instanceof Collection && StringUtils.equals("[]", cellValue))
{
cellValue = StringUtils.EMPTY;
}
cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
}
else if (ColumnType.NUMERIC == attr.cellType())
{
if (StringUtils.isNotNull(value))
{
cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
}
}
else if (ColumnType.IMAGE == attr.cellType())
{
ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
String imagePath = Convert.toStr(value);
if (StringUtils.isNotEmpty(imagePath))
{
byte[] data = ImageUtils.getImage(imagePath);
getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
}
}
}
/**
* 获取画布
*/
public static Drawing<?> getDrawingPatriarch(Sheet sheet)
{
if (sheet.getDrawingPatriarch() == null)
{
sheet.createDrawingPatriarch();
}
return sheet.getDrawingPatriarch();
}
/**
* 获取图片类型,设置图片插入类型
*/
public int getImageType(byte[] value)
{
String type = FileTypeUtils.getFileExtendName(value);
if ("JPG".equalsIgnoreCase(type))
{
return Workbook.PICTURE_TYPE_JPEG;
}
else if ("PNG".equalsIgnoreCase(type))
{
return Workbook.PICTURE_TYPE_PNG;
}
return Workbook.PICTURE_TYPE_JPEG;
}
/**
* 创建表格样式
*/
public void setDataValidation(Excel attr, Row row, int column)
{
if (attr.name().indexOf("注：") >= 0)
{
sheet.setColumnWidth(column, 6000);
}
else
{
// 设置列宽
sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
}
if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
{
if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
{
// 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
}
else
{
// 提示信息或只能选择不能输入的列内容.
setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
}
}
}
/**
* 添加单元格
*/
public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
{
Cell cell = null;
try
{
// 设置行高
row.setHeight(maxHeight);
// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
if (attr.isExport())
{
// 创建cell
cell = row.createCell(column);
if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())
{
CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
sheet.addMergedRegion(cellAddress);
}
cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
// 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr);
String dateFormat = attr.dateFormat();
String readConverterExp = attr.readConverterExp();
String separator = attr.separator();
String dictType = attr.dictType();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
cell.setCellValue(parseDateToStr(dateFormat, value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
{
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
}
else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
{
cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
}
else if (value instanceof BigDecimal && -1 != attr.scale())
{
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
cell.setCellValue(dataFormatHandlerAdapter(value, attr));
}
else
{
// 设置列类型
setCellVo(value, attr, cell);
}
addStatisticsData(column, Convert.toStr(value), attr);
}
}
catch (Exception e)
{
log.error("导出Excel失败{}", e);
}
return cell;
}
/**
* 设置 POI XSSFSheet 单元格提示或选择框
*
* @param sheet 表单
* @param textlist 下拉框显示的内容
* @param promptContent 提示内容
* @param firstRow 开始行
* @param endRow 结束行
* @param firstCol 开始列
* @param endCol 结束列
*/
public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
int firstCol, int endCol)
{
DataValidationHelper helper = sheet.getDataValidationHelper();
DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
DataValidation dataValidation = helper.createValidation(constraint, regions);
if (StringUtils.isNotEmpty(promptContent))
{
// 如果设置了提示信息则鼠标放上去提示
dataValidation.createPromptBox("", promptContent);
dataValidation.setShowPromptBox(true);
}
// 处理Excel兼容性问题
if (dataValidation instanceof XSSFDataValidation)
{
dataValidation.setSuppressDropDownArrow(true);
dataValidation.setShowErrorBox(true);
}
else
{
dataValidation.setSuppressDropDownArrow(false);
}
sheet.addValidationData(dataValidation);
}
/**
* 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
*
* @param sheet 要设置的sheet.
* @param textlist 下拉框显示的内容
* @param promptContent 提示内容
* @param firstRow 开始行
* @param endRow 结束行
* @param firstCol 开始列
* @param endCol 结束列
*/
public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
{
String hideSheetName = "combo_" + firstCol + "_" + endCol;
Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
for (int i = 0; i < textlist.length; i++)
{
hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
}
// 创建名称，可被其他单元格引用
Name name = wb.createName();
name.setNameName(hideSheetName + "_data");
name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
DataValidationHelper helper = sheet.getDataValidationHelper();
// 加载下拉列表内容
DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
// 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
// 数据有效性对象
DataValidation dataValidation = helper.createValidation(constraint, regions);
if (StringUtils.isNotEmpty(promptContent))
{
// 如果设置了提示信息则鼠标放上去提示
dataValidation.createPromptBox("", promptContent);
dataValidation.setShowPromptBox(true);
}
// 处理Excel兼容性问题
if (dataValidation instanceof XSSFDataValidation)
{
dataValidation.setSuppressDropDownArrow(true);
dataValidation.setShowErrorBox(true);
}
else
{
dataValidation.setSuppressDropDownArrow(false);
}
sheet.addValidationData(dataValidation);
// 设置hiddenSheet隐藏
wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
}
/**
* 解析导出值 0=男,1=女,2=未知
*
* @param propertyValue 参数值
* @param converterExp 翻译注解
* @param separator 分隔符
* @return 解析后值
*/
public static String convertByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
for (String item : convertSource)
{
String[] itemArray = item.split("=");
if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
if (itemArray[0].equals(value))
{
propertyString.append(itemArray[1] + separator);
break;
}
}
}
else
{
if (itemArray[0].equals(propertyValue))
{
return itemArray[1];
}
}
}
return StringUtils.stripEnd(propertyString.toString(), separator);
}
/**
* 反向解析值 男=0,女=1,未知=2
*
* @param propertyValue 参数值
* @param converterExp 翻译注解
* @param separator 分隔符
* @return 解析后值
*/
public static String reverseByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
for (String item : convertSource)
{
String[] itemArray = item.split("=");
if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
if (itemArray[1].equals(value))
{
propertyString.append(itemArray[0] + separator);
break;
}
}
}
else
{
if (itemArray[1].equals(propertyValue))
{
return itemArray[0];
}
}
}
return StringUtils.stripEnd(propertyString.toString(), separator);
}
/**
* 解析字典值
*
* @param dictValue 字典值
* @param dictType 字典类型
* @param separator 分隔符
* @return 字典标签
*/
public static String convertDictByExp(String dictValue, String dictType, String separator)
{
return DictUtils.getDictLabel(dictType, dictValue, separator);
}
/**
* 反向解析值字典值
*
* @param dictLabel 字典标签
* @param dictType 字典类型
* @param separator 分隔符
* @return 字典值
*/
public static String reverseDictByExp(String dictLabel, String dictType, String separator)
{
return DictUtils.getDictValue(dictType, dictLabel, separator);
}
/**
* 数据处理器
*
* @param value 数据值
* @param excel 数据注解
* @return
*/
public String dataFormatHandlerAdapter(Object value, Excel excel)
{
try
{
Object instance = excel.handler().newInstance();
Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
value = formatMethod.invoke(instance, value, excel.args());
}
catch (Exception e)
{
log.error("不能格式化数据 " + excel.handler(), e.getMessage());
}
return Convert.toStr(value);
}
/**
* 合计统计信息
*/
private void addStatisticsData(Integer index, String text, Excel entity)
{
if (entity != null && entity.isStatistics())
{
Double temp = 0D;
if (!statistics.containsKey(index))
{
statistics.put(index, temp);
}
try
{
temp = Double.valueOf(text);
}
catch (NumberFormatException e)
{
}
statistics.put(index, statistics.get(index) + temp);
}
}
/**
* 创建统计行
*/
public void addStatisticsRow()
{
if (statistics.size() > 0)
{
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
Set<Integer> keys = statistics.keySet();
Cell cell = row.createCell(0);
cell.setCellStyle(styles.get("total"));
cell.setCellValue("合计");
for (Integer key : keys)
{
cell = row.createCell(key);
cell.setCellStyle(styles.get("total"));
cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
}
statistics.clear();
}
}
/**
* 编码文件名
*/
public String encodingFilename(String filename)
{
filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
return filename;
}
/**
* 获取下载路径
*
* @param filename 文件名称
*/
public String getAbsoluteFile(String filename)
{
String downloadPath = RuoYiConfig.getDownloadPath() + filename;
File desc = new File(downloadPath);
if (!desc.getParentFile().exists())
{
desc.getParentFile().mkdirs();
}
return downloadPath;
}
/**
* 获取bean中的属性值
*
* @param vo 实体对象
* @param field 字段
* @param excel 注解
* @return 最终的属性值
* @throws Exception
*/
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
{
Object o = field.get(vo);
if (StringUtils.isNotEmpty(excel.targetAttr()))
{
String target = excel.targetAttr();
if (target.contains("."))
{
String[] targets = target.split("[.]");
for (String name : targets)
{
o = getValue(o, name);
}
}
else
{
o = getValue(o, target);
}
}
return o;
}
/**
* 以类的属性的get方法方法形式获取值
*
* @param o
* @param name
* @return value
* @throws Exception
*/
private Object getValue(Object o, String name) throws Exception
{
if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name))
{
Class<?> clazz = o.getClass();
Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
o = field.get(o);
}
return o;
}
/**
* 得到所有定义字段
*/
private void createExcelField()
{
this.fields = getFields();
this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
this.maxHeight = getRowHeight();
}
/**
* 获取字段注解信息
*/
public List<Object[]> getFields()
{
List<Object[]> fields = new ArrayList<Object[]>();
List<Field> tempFields = new ArrayList<>();
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
for (Field field : tempFields)
{
if (!ArrayUtils.contains(this.excludeFields, field.getName()))
{
// 单注解
if (field.isAnnotationPresent(Excel.class))
{
Excel attr = field.getAnnotation(Excel.class);
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
{
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
if (Collection.class.isAssignableFrom(field.getType()))
{
subMethod = getSubMethod(field.getName(), clazz);
ParameterizedType pt = (ParameterizedType) field.getGenericType();
Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
}
}
// 多注解
if (field.isAnnotationPresent(Excels.class))
{
Excels attrs = field.getAnnotation(Excels.class);
Excel[] excels = attrs.value();
for (Excel attr : excels)
{
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
{
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
}
}
}
return fields;
}
/**
* 根据注解获取最大行高
*/
public short getRowHeight()
{
double maxHeight = 0;
for (Object[] os : this.fields)
{
Excel excel = (Excel) os[1];
maxHeight = Math.max(maxHeight, excel.height());
}
return (short) (maxHeight * 20);
}
/**
* 创建一个工作簿
*/
public void createWorkbook()
{
this.wb = new SXSSFWorkbook(500);
this.sheet = wb.createSheet();
wb.setSheetName(0, sheetName);
this.styles = createStyles(wb);
}
/**
* 创建工作表
*
* @param sheetNo sheet数量
* @param index 序号
*/
public void createSheet(int sheetNo, int index)
{
// 设置工作表的名称.
if (sheetNo > 1 && index > 0)
{
this.sheet = wb.createSheet();
this.createTitle();
wb.setSheetName(index, sheetName + index);
}
}
/**
* 获取单元格值
*
* @param row 获取的行
* @param column 获取单元格列号
* @return 单元格值
*/
public Object getCellValue(Row row, int column)
{
if (row == null)
{
return row;
}
Object val = "";
try
{
Cell cell = row.getCell(column);
if (StringUtils.isNotNull(cell))
{
if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA)
{
val = cell.getNumericCellValue();
if (DateUtil.isCellDateFormatted(cell))
{
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
}
else
{
if ((Double) val % 1 != 0)
{
val = new BigDecimal(val.toString());
}
else
{
val = new DecimalFormat("0").format(val);
}
}
}
else if (cell.getCellType() == CellType.STRING)
{
val = cell.getStringCellValue();
}
else if (cell.getCellType() == CellType.BOOLEAN)
{
val = cell.getBooleanCellValue();
}
else if (cell.getCellType() == CellType.ERROR)
{
val = cell.getErrorCellValue();
}
}
}
catch (Exception e)
{
return val;
}
return val;
}
/**
* 判断是否是空行
*
* @param row 判断的行
* @return
*/
private boolean isRowEmpty(Row row)
{
if (row == null)
{
return true;
}
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++)
{
Cell cell = row.getCell(i);
if (cell != null && cell.getCellType() != CellType.BLANK)
{
return false;
}
}
return true;
}
/**
* 获取Excel2003图片
*
* @param sheet 当前sheet对象
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
*/
public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)
{
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
List<HSSFPictureData> pictures = workbook.getAllPictures();
if (!pictures.isEmpty())
{
for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren())
{
HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
if (shape instanceof HSSFPicture)
{
HSSFPicture pic = (HSSFPicture) shape;
int pictureIndex = pic.getPictureIndex() - 1;
HSSFPictureData picData = pictures.get(pictureIndex);
String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
sheetIndexPicMap.put(picIndex, picData);
}
}
return sheetIndexPicMap;
}
else
{
return sheetIndexPicMap;
}
}
/**
* 获取Excel2007图片
*
* @param sheet 当前sheet对象
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
*/
public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)
{
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
for (POIXMLDocumentPart dr : sheet.getRelations())
{
if (dr instanceof XSSFDrawing)
{
XSSFDrawing drawing = (XSSFDrawing) dr;
List<XSSFShape> shapes = drawing.getShapes();
for (XSSFShape shape : shapes)
{
if (shape instanceof XSSFPicture)
{
XSSFPicture pic = (XSSFPicture) shape;
XSSFClientAnchor anchor = pic.getPreferredSize();
CTMarker ctMarker = anchor.getFrom();
String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
sheetIndexPicMap.put(picIndex, pic.getPictureData());
}
}
}
}
return sheetIndexPicMap;
}
/**
* 格式化不同类型的日期对象
*
* @param dateFormat 日期格式
* @param val 被格式化的日期对象
* @return 格式化后的日期字符
*/
public String parseDateToStr(String dateFormat, Object val)
{
if (val == null)
{
return "";
}
String str;
if (val instanceof Date)
{
str = DateUtils.parseDateToStr(dateFormat, (Date) val);
}
else if (val instanceof LocalDateTime)
{
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
}
else if (val instanceof LocalDate)
{
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
}
else
{
str = val.toString();
}
return str;
}
/**
* 是否有对象的子列表
*/
public boolean isSubList()
{
return StringUtils.isNotNull(subFields) && subFields.size() > 0;
}
/**
* 是否有对象的子列表，集合不为空
*/
public boolean isSubListValue(T vo)
{
return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
}
/**
* 获取集合的值
*/
public Collection<?> getListCellValue(Object obj)
{
Object value;
try
{
value = subMethod.invoke(obj, new Object[] {});
}
catch (Exception e)
{
return new ArrayList<Object>();
}
return (Collection<?>) value;
}
/**
* 获取对象的子列表方法
*
* @param name 名称
* @param pojoClass 类对象
* @return 子列表方法
*/
public Method getSubMethod(String name, Class<?> pojoClass)
{
StringBuffer getMethodName = new StringBuffer("get");
getMethodName.append(name.substring(0, 1).toUpperCase());
getMethodName.append(name.substring(1));
Method method = null;
try
{
method = pojoClass.getMethod(getMethodName.toString(), new Class[] {});
}
catch (Exception e)
{
log.error("获取对象异常{}", e.getMessage());
}
return method;
}
}
java
package com.ruoyi.common.utils.reflect;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Date;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;
import org.apache.poi.ss.usermodel.DateUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.utils.DateUtils;
/**
* 反射工具类. 提供调用getter/setter方法, 访问私有变量, 调用私有方法, 获取泛型类型Class, 被AOP过的真实类等工具函数.
*
* @author ruoyi
*/
@SuppressWarnings("rawtypes")
public class ReflectUtils
{
private static final String SETTER_PREFIX = "set";
private static final String GETTER_PREFIX = "get";
private static final String CGLIB_CLASS_SEPARATOR = "$$";
private static Logger logger = LoggerFactory.getLogger(ReflectUtils.class);
/**
* 调用Getter方法.
* 支持多级，如：对象名.对象名.方法
*/
@SuppressWarnings("unchecked")
public static <E> E invokeGetter(Object obj, String propertyName)
{
Object object = obj;
for (String name : StringUtils.split(propertyName, "."))
{
String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(name);
object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {});
}
return (E) object;
}
/**
* 调用Setter方法, 仅匹配方法名。
* 支持多级，如：对象名.对象名.方法
*/
public static <E> void invokeSetter(Object obj, String propertyName, E value)
{
Object object = obj;
String[] names = StringUtils.split(propertyName, ".");
for (int i = 0; i < names.length; i++)
{
if (i < names.length - 1)
{
String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(names[i]);
object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {});
}
else
{
String setterMethodName = SETTER_PREFIX + StringUtils.capitalize(names[i]);
invokeMethodByName(object, setterMethodName, new Object[] { value });
}
}
}
/**
* 直接读取对象属性值, 无视private/protected修饰符, 不经过getter函数.
*/
@SuppressWarnings("unchecked")
public static <E> E getFieldValue(final Object obj, final String fieldName)
{
Field field = getAccessibleField(obj, fieldName);
if (field == null)
{
logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
return null;
}
E result = null;
try
{
result = (E) field.get(obj);
}
catch (IllegalAccessException e)
{
logger.error("不可能抛出的异常{}", e.getMessage());
}
return result;
}
/**
* 直接设置对象属性值, 无视private/protected修饰符, 不经过setter函数.
*/
public static <E> void setFieldValue(final Object obj, final String fieldName, final E value)
{
Field field = getAccessibleField(obj, fieldName);
if (field == null)
{
// throw new IllegalArgumentException("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
return;
}
try
{
field.set(obj, value);
}
catch (IllegalAccessException e)
{
logger.error("不可能抛出的异常: {}", e.getMessage());
}
}
/**
* 直接调用对象方法, 无视private/protected修饰符.
* 用于一次性调用的情况，否则应使用getAccessibleMethod()函数获得Method后反复调用.
* 同时匹配方法名+参数类型，
*/
@SuppressWarnings("unchecked")
public static <E> E invokeMethod(final Object obj, final String methodName, final Class<?>[] parameterTypes,
final Object[] args)
{
if (obj == null || methodName == null)
{
return null;
}
Method method = getAccessibleMethod(obj, methodName, parameterTypes);
if (method == null)
{
logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + methodName + "] 方法 ");
return null;
}
try
{
return (E) method.invoke(obj, args);
}
catch (Exception e)
{
String msg = "method: " + method + ", obj: " + obj + ", args: " + args + "";
throw convertReflectionExceptionToUnchecked(msg, e);
}
}
/**
* 直接调用对象方法, 无视private/protected修饰符，
* 用于一次性调用的情况，否则应使用getAccessibleMethodByName()函数获得Method后反复调用.
* 只匹配函数名，如果有多个同名函数调用第一个。
*/
@SuppressWarnings("unchecked")
public static <E> E invokeMethodByName(final Object obj, final String methodName, final Object[] args)
{
Method method = getAccessibleMethodByName(obj, methodName, args.length);
if (method == null)
{
// 如果为空不报错，直接返回空。
logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + methodName + "] 方法 ");
return null;
}
try
{
// 类型转换（将参数数据类型转换为目标方法参数类型）
Class<?>[] cs = method.getParameterTypes();
for (int i = 0; i < cs.length; i++)
{
if (args[i] != null && !args[i].getClass().equals(cs[i]))
{
if (cs[i] == String.class)
{
args[i] = Convert.toStr(args[i]);
if (StringUtils.endsWith((String) args[i], ".0"))
{
args[i] = StringUtils.substringBefore((String) args[i], ".0");
}
}
else if (cs[i] == Integer.class)
{
args[i] = Convert.toInt(args[i]);
}
else if (cs[i] == Long.class)
{
args[i] = Convert.toLong(args[i]);
}
else if (cs[i] == Double.class)
{
args[i] = Convert.toDouble(args[i]);
}
else if (cs[i] == Float.class)
{
args[i] = Convert.toFloat(args[i]);
}
else if (cs[i] == Date.class)
{
if (args[i] instanceof String)
{
args[i] = DateUtils.parseDate(args[i]);
}
else
{
args[i] = DateUtil.getJavaDate((Double) args[i]);
}
}
else if (cs[i] == boolean.class || cs[i] == Boolean.class)
{
args[i] = Convert.toBool(args[i]);
}
}
}
return (E) method.invoke(obj, args);
}
catch (Exception e)
{
String msg = "method: " + method + ", obj: " + obj + ", args: " + args + "";
throw convertReflectionExceptionToUnchecked(msg, e);
}
}
/**
* 循环向上转型, 获取对象的DeclaredField, 并强制设置为可访问.
* 如向上转型到Object仍无法找到, 返回null.
*/
public static Field getAccessibleField(final Object obj, final String fieldName)
{
// 为空不报错。直接返回 null
if (obj == null)
{
return null;
}
Validate.notBlank(fieldName, "fieldName can't be blank");
for (Class<?> superClass = obj.getClass(); superClass != Object.class; superClass = superClass.getSuperclass())
{
try
{
Field field = superClass.getDeclaredField(fieldName);
makeAccessible(field);
return field;
}
catch (NoSuchFieldException e)
{
continue;
}
}
return null;
}
/**
* 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问.
* 如向上转型到Object仍无法找到, 返回null.
* 匹配函数名+参数类型。
* 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args)
*/
public static Method getAccessibleMethod(final Object obj, final String methodName,
final Class<?>... parameterTypes)
{
// 为空不报错。直接返回 null
if (obj == null)
{
return null;
}
Validate.notBlank(methodName, "methodName can't be blank");
for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass())
{
try
{
Method method = searchType.getDeclaredMethod(methodName, parameterTypes);
makeAccessible(method);
return method;
}
catch (NoSuchMethodException e)
{
continue;
}
}
return null;
}
/**
* 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问.
* 如向上转型到Object仍无法找到, 返回null.
* 只匹配函数名。
* 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args)
*/
public static Method getAccessibleMethodByName(final Object obj, final String methodName, int argsNum)
{
// 为空不报错。直接返回 null
if (obj == null)
{
return null;
}
Validate.notBlank(methodName, "methodName can't be blank");
for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass())
{
Method[] methods = searchType.getDeclaredMethods();
for (Method method : methods)
{
if (method.getName().equals(methodName) && method.getParameterTypes().length == argsNum)
{
makeAccessible(method);
return method;
}
}
}
return null;
}
/**
* 改变private/protected的方法为public，尽量不调用实际改动的语句，避免JDK的SecurityManager抱怨。
*/
public static void makeAccessible(Method method)
{
if ((!Modifier.isPublic(method.getModifiers()) || !Modifier.isPublic(method.getDeclaringClass().getModifiers()))
&& !method.isAccessible())
{
method.setAccessible(true);
}
}
/**
* 改变private/protected的成员变量为public，尽量不调用实际改动的语句，避免JDK的SecurityManager抱怨。
*/
public static void makeAccessible(Field field)
{
if ((!Modifier.isPublic(field.getModifiers()) || !Modifier.isPublic(field.getDeclaringClass().getModifiers())
|| Modifier.isFinal(field.getModifiers())) && !field.isAccessible())
{
field.setAccessible(true);
}
}
/**
* 通过反射, 获得Class定义中声明的泛型参数的类型, 注意泛型必须定义在父类处
* 如无法找到, 返回Object.class.
*/
@SuppressWarnings("unchecked")
public static <T> Class<T> getClassGenricType(final Class clazz)
{
return getClassGenricType(clazz, 0);
}
/**
* 通过反射, 获得Class定义中声明的父类的泛型参数的类型.
* 如无法找到, 返回Object.class.
*/
public static Class getClassGenricType(final Class clazz, final int index)
{
Type genType = clazz.getGenericSuperclass();
if (!(genType instanceof ParameterizedType))
{
logger.debug(clazz.getSimpleName() + "'s superclass not ParameterizedType");
return Object.class;
}
Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
if (index >= params.length || index < 0)
{
logger.debug("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
+ params.length);
return Object.class;
}
if (!(params[index] instanceof Class))
{
logger.debug(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
return Object.class;
}
return (Class) params[index];
}
public static Class<?> getUserClass(Object instance)
{
if (instance == null)
{
throw new RuntimeException("Instance must not be null");
}
Class clazz = instance.getClass();
if (clazz != null && clazz.getName().contains(CGLIB_CLASS_SEPARATOR))
{
Class<?> superClass = clazz.getSuperclass();
if (superClass != null && !Object.class.equals(superClass))
{
return superClass;
}
}
return clazz;
}
/**
* 将反射时的checked exception转换为unchecked exception.
*/
public static RuntimeException convertReflectionExceptionToUnchecked(String msg, Exception e)
{
if (e instanceof IllegalAccessException || e instanceof IllegalArgumentException
|| e instanceof NoSuchMethodException)
{
return new IllegalArgumentException(msg, e);
}
else if (e instanceof InvocationTargetException)
{
return new RuntimeException(msg, ((InvocationTargetException) e).getTargetException());
}
return new RuntimeException(msg, e);
}
}
javapackage com.ruoyi.common.utils.sign;
/**
* Base64工具类
*
* @author ruoyi
*/
public final class Base64
{
static private final int BASELENGTH = 128;
static private final int LOOKUPLENGTH = 64;
static private final int TWENTYFOURBITGROUP = 24;
static private final int EIGHTBIT = 8;
static private final int SIXTEENBIT = 16;
static private final int FOURBYTE = 4;
static private final int SIGN = -128;
static private final char PAD = '=';
static final private byte[] base64Alphabet = new byte[BASELENGTH];
static final private char[] lookUpBase64Alphabet = new char[LOOKUPLENGTH];
static
{
for (int i = 0; i < BASELENGTH; ++i)
{
base64Alphabet[i] = -1;
}
for (int i = 'Z'; i >= 'A'; i--)
{
base64Alphabet[i] = (byte) (i - 'A');
}
for (int i = 'z'; i >= 'a'; i--)
{
base64Alphabet[i] = (byte) (i - 'a' + 26);
}
for (int i = '9'; i >= '0'; i--)
{
base64Alphabet[i] = (byte) (i - '0' + 52);
}
base64Alphabet['+'] = 62;
base64Alphabet['/'] = 63;
for (int i = 0; i <= 25; i++)
{
lookUpBase64Alphabet[i] = (char) ('A' + i);
}
for (int i = 26, j = 0; i <= 51; i++, j++)
{
lookUpBase64Alphabet[i] = (char) ('a' + j);
}
for (int i = 52, j = 0; i <= 61; i++, j++)
{
lookUpBase64Alphabet[i] = (char) ('0' + j);
}
lookUpBase64Alphabet[62] = (char) '+';
lookUpBase64Alphabet[63] = (char) '/';
}
private static boolean isWhiteSpace(char octect)
{
return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
}
private static boolean isPad(char octect)
{
return (octect == PAD);
}
private static boolean isData(char octect)
{
return (octect < BASELENGTH && base64Alphabet[octect] != -1);
}
/**
* Encodes hex octects into Base64
*
* @param binaryData Array containing binaryData
* @return Encoded Base64 array
*/
public static String encode(byte[] binaryData)
{
if (binaryData == null)
{
return null;
}
int lengthDataBits = binaryData.length * EIGHTBIT;
if (lengthDataBits == 0)
{
return "";
}
int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets;
char encodedData[] = null;
encodedData = new char[numberQuartet * 4];
byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
int encodedIndex = 0;
int dataIndex = 0;
for (int i = 0; i < numberTriplets; i++)
{
b1 = binaryData[dataIndex++];
b2 = binaryData[dataIndex++];
b3 = binaryData[dataIndex++];
l = (byte) (b2 & 0x0f);
k = (byte) (b1 & 0x03);
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3];
encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f];
}
// form integral number of 6-bit groups
if (fewerThan24bits == EIGHTBIT)
{
b1 = binaryData[dataIndex];
k = (byte) (b1 & 0x03);
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4];
encodedData[encodedIndex++] = PAD;
encodedData[encodedIndex++] = PAD;
}
else if (fewerThan24bits == SIXTEENBIT)
{
b1 = binaryData[dataIndex];
b2 = binaryData[dataIndex + 1];
l = (byte) (b2 & 0x0f);
k = (byte) (b1 & 0x03);
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2];
encodedData[encodedIndex++] = PAD;
}
return new String(encodedData);
}
/**
* Decodes Base64 data into octects
*
* @param encoded string containing Base64 data
* @return Array containind decoded data.
*/
public static byte[] decode(String encoded)
{
if (encoded == null)
{
return null;
}
char[] base64Data = encoded.toCharArray();
// remove white spaces
int len = removeWhiteSpace(base64Data);
if (len % FOURBYTE != 0)
{
return null;// should be divisible by four
}
int numberQuadruple = (len / FOURBYTE);
if (numberQuadruple == 0)
{
return new byte[0];
}
byte decodedData[] = null;
byte b1 = 0, b2 = 0, b3 = 0, b4 = 0;
char d1 = 0, d2 = 0, d3 = 0, d4 = 0;
int i = 0;
int encodedIndex = 0;
int dataIndex = 0;
decodedData = new byte[(numberQuadruple) * 3];
for (; i < numberQuadruple - 1; i++)
{
if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))
|| !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++])))
{
return null;
} // if found "no data" just return null
b1 = base64Alphabet[d1];
b2 = base64Alphabet[d2];
b3 = base64Alphabet[d3];
b4 = base64Alphabet[d4];
decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
}
if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])))
{
return null;// if found "no data" just return null
}
b1 = base64Alphabet[d1];
b2 = base64Alphabet[d2];
d3 = base64Data[dataIndex++];
d4 = base64Data[dataIndex++];
if (!isData((d3)) || !isData((d4)))
{// Check if they are PAD characters
if (isPad(d3) && isPad(d4))
{
if ((b2 & 0xf) != 0)// last 4 bits should be zero
{
return null;
}
byte[] tmp = new byte[i * 3 + 1];
System.arraycopy(decodedData, 0, tmp, 0, i * 3);
tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
return tmp;
}
else if (!isPad(d3) && isPad(d4))
{
b3 = base64Alphabet[d3];
if ((b3 & 0x3) != 0)// last 2 bits should be zero
{
return null;
}
byte[] tmp = new byte[i * 3 + 2];
System.arraycopy(decodedData, 0, tmp, 0, i * 3);
tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
return tmp;
}
else
{
return null;
}
}
else
{ // No PAD e.g 3cQl
b3 = base64Alphabet[d3];
b4 = base64Alphabet[d4];
decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
}
return decodedData;
}
/**
* remove WhiteSpace from MIME containing encoded Base64 data.
*
* @param data the byte array of base64 data (with WS)
* @return the new length
*/
private static int removeWhiteSpace(char[] data)
{
if (data == null)
{
return 0;
}
// count characters that's not whitespace
int newSize = 0;
int len = data.length;
for (int i = 0; i < len; i++)
{
if (!isWhiteSpace(data[i]))
{
data[newSize++] = data[i];
}
}
return newSize;
}
}
javapackage com.ruoyi.common.utils.sign;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Md5加密方法
*
* @author ruoyi
*/
public class Md5Utils
{
private static final Logger log = LoggerFactory.getLogger(Md5Utils.class);
private static byte[] md5(String s)
{
MessageDigest algorithm;
try
{
algorithm = MessageDigest.getInstance("MD5");
algorithm.reset();
algorithm.update(s.getBytes("UTF-8"));
byte[] messageDigest = algorithm.digest();
return messageDigest;
}
catch (Exception e)
{
log.error("MD5 Error...", e);
}
return null;
}
private static final String toHex(byte hash[])
{
if (hash == null)
{
return null;
}
StringBuffer buf = new StringBuffer(hash.length * 2);
int i;
for (i = 0; i < hash.length; i++)
{
if ((hash[i] & 0xff) < 0x10)
{
buf.append("0");
}
buf.append(Long.toString(hash[i] & 0xff, 16));
}
return buf.toString();
}
public static String hash(String s)
{
try
{
return new String(toHex(md5(s)).getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8);
}
catch (Exception e)
{
log.error("not supported charset...{}", e);
return s;
}
}
}
javapackage com.ruoyi.common.utils.spring;
import org.springframework.aop.framework.AopContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import com.ruoyi.common.utils.StringUtils;
/**
* spring工具类 方便在非spring管理环境中获取bean
*
* @author ruoyi
*/
@Component
public final class SpringUtils implements BeanFactoryPostProcessor, ApplicationContextAware
{
/** Spring应用上下文环境 */
private static ConfigurableListableBeanFactory beanFactory;
private static ApplicationContext applicationContext;
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException
{
SpringUtils.beanFactory = beanFactory;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
{
SpringUtils.applicationContext = applicationContext;
}
/**
* 获取对象
*
* @param name
* @return Object 一个以所给名字注册的bean的实例
* @throws org.springframework.beans.BeansException
*
*/
@SuppressWarnings("unchecked")
public static <T> T getBean(String name) throws BeansException
{
return (T) beanFactory.getBean(name);
}
/**
* 获取类型为requiredType的对象
*
* @param clz
* @return
* @throws org.springframework.beans.BeansException
*
*/
public static <T> T getBean(Class<T> clz) throws BeansException
{
T result = (T) beanFactory.getBean(clz);
return result;
}
/**
* 如果BeanFactory包含一个与所给名称匹配的bean定义，则返回true
*
* @param name
* @return boolean
*/
public static boolean containsBean(String name)
{
return beanFactory.containsBean(name);
}
/**
* 判断以给定名字注册的bean定义是一个singleton还是一个prototype。 如果与给定名字相应的bean定义没有被找到，将会抛出一个异常（NoSuchBeanDefinitionException）
*
* @param name
* @return boolean
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException
{
return beanFactory.isSingleton(name);
}
/**
* @param name
* @return Class 注册对象的类型
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
public static Class<?> getType(String name) throws NoSuchBeanDefinitionException
{
return beanFactory.getType(name);
}
/**
* 如果给定的bean名字在bean定义中有别名，则返回这些别名
*
* @param name
* @return
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
public static String[] getAliases(String name) throws NoSuchBeanDefinitionException
{
return beanFactory.getAliases(name);
}
/**
* 获取aop代理对象
*
* @param invoker
* @return
*/
@SuppressWarnings("unchecked")
public static <T> T getAopProxy(T invoker)
{
return (T) AopContext.currentProxy();
}
/**
* 获取当前的环境配置，无配置返回null
*
* @return 当前的环境配置
*/
public static String[] getActiveProfiles()
{
return applicationContext.getEnvironment().getActiveProfiles();
}
/**
* 获取当前的环境配置，当有多个环境配置时，只获取第一个
*
* @return 当前的环境配置
*/
public static String getActiveProfile()
{
final String[] activeProfiles = getActiveProfiles();
return StringUtils.isNotEmpty(activeProfiles) ? activeProfiles[0] : null;
}
/**
* 获取配置文件中的值
*
* @param key 配置文件的key
* @return 当前的配置文件的值
*
*/
public static String getRequiredProperty(String key)
{
return applicationContext.getEnvironment().getRequiredProperty(key);
}
}
javapackage com.ruoyi.common.utils.sql;
import com.ruoyi.common.exception.UtilException;
import com.ruoyi.common.utils.StringUtils;
/**
* sql操作工具类
*
* @author ruoyi
*/
public class SqlUtil
{
/**
* 定义常用的 sql关键字
*/
public static String SQL_REGEX = "select |insert |delete |update |drop |count |exec |chr |mid |master |truncate |char |and |declare ";
/**
* 仅支持字母、数字、下划线、空格、逗号、小数点（支持多个字段排序）
*/
public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
/**
* 检查字符，防止注入绕过
*/
public static String escapeOrderBySql(String value)
{
if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
{
throw new UtilException("参数不符合规范，不能进行查询");
}
return value;
}
/**
* 验证 order by 语法是否符合规范
*/
public static boolean isValidOrderBySql(String value)
{
return value.matches(SQL_PATTERN);
}
/**
* SQL关键字检查
*/
public static void filterKeyword(String value)
{
if (StringUtils.isEmpty(value))
{
return;
}
String[] sqlKeywords = StringUtils.split(SQL_REGEX, "\\|");
for (String sqlKeyword : sqlKeywords)
{
if (StringUtils.indexOfIgnoreCase(value, sqlKeyword) > -1)
{
throw new UtilException("参数存在SQL注入风险");
}
}
}
}
javapackage com.ruoyi.common.utils.uuid;
/**
* ID生成器工具类
*
* @author ruoyi
*/
public class IdUtils
{
/**
* 获取随机UUID
*
* @return 随机UUID
*/
public static String randomUUID()
{
return UUID.randomUUID().toString();
}
/**
* 简化的UUID，去掉了横线
*
* @return 简化的UUID，去掉了横线
*/
public static String simpleUUID()
{
return UUID.randomUUID().toString(true);
}
/**
* 获取随机UUID，使用性能更好的ThreadLocalRandom生成UUID
*
* @return 随机UUID
*/
public static String fastUUID()
{
return UUID.fastUUID().toString();
}
/**
* 简化的UUID，去掉了横线，使用性能更好的ThreadLocalRandom生成UUID
*
* @return 简化的UUID，去掉了横线
*/
public static String fastSimpleUUID()
{
return UUID.fastUUID().toString(true);
}
}
javapackage com.ruoyi.common.utils.uuid;
import java.util.concurrent.atomic.AtomicInteger;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
/**
* @author ruoyi 序列生成类
*/
public class Seq
{
// 通用序列类型
public static final String commSeqType = "COMMON";
// 上传序列类型
public static final String uploadSeqType = "UPLOAD";
// 通用接口序列数
private static AtomicInteger commSeq = new AtomicInteger(1);
// 上传接口序列数
private static AtomicInteger uploadSeq = new AtomicInteger(1);
// 机器标识
private static String machineCode = "A";
/**
* 获取通用序列号
*
* @return 序列值
*/
public static String getId()
{
return getId(commSeqType);
}
/**
* 默认16位序列号 yyMMddHHmmss + 一位机器标识 + 3长度循环递增字符串
*
* @return 序列值
*/
public static String getId(String type)
{
AtomicInteger atomicInt = commSeq;
if (uploadSeqType.equals(type))
{
atomicInt = uploadSeq;
}
return getId(atomicInt, 3);
}
/**
* 通用接口序列号 yyMMddHHmmss + 一位机器标识 + length长度循环递增字符串
*
* @param atomicInt 序列数
* @param length 数值长度
* @return 序列值
*/
public static String getId(AtomicInteger atomicInt, int length)
{
String result = DateUtils.dateTimeNow();
result += machineCode;
result += getSeq(atomicInt, length);
return result;
}
/**
* 序列循环递增字符串[1, 10 的 (length)幂次方), 用0左补齐length位数
*
* @return 序列值
*/
private synchronized static String getSeq(AtomicInteger atomicInt, int length)
{
// 先取值再+1
int value = atomicInt.getAndIncrement();
// 如果更新后值>=10 的 (length)幂次方则重置为1
int maxSeq = (int) Math.pow(10, length);
if (atomicInt.get() >= maxSeq)
{
atomicInt.set(1);
}
// 转字符串，用0左补齐
return StringUtils.padl(value, length);
}
}
java
package com.ruoyi.common.utils.uuid;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;
import com.ruoyi.common.exception.UtilException;
/**
* 提供通用唯一识别码（universally unique identifier）（UUID）实现
*
* @author ruoyi
*/
public final class UUID implements java.io.Serializable, Comparable<UUID>
{
private static final long serialVersionUID = -1185015143654744140L;
/**
* SecureRandom 的单例
*
*/
private static class Holder
{
static final SecureRandom numberGenerator = getSecureRandom();
}
/** 此UUID的最高64有效位 */
private final long mostSigBits;
/** 此UUID的最低64有效位 */
private final long leastSigBits;
/**
* 私有构造
*
* @param data 数据
*/
private UUID(byte[] data)
{
long msb = 0;
long lsb = 0;
assert data.length == 16 : "data must be 16 bytes in length";
for (int i = 0; i < 8; i++)
{
msb = (msb << 8) | (data[i] & 0xff);
}
for (int i = 8; i < 16; i++)
{
lsb = (lsb << 8) | (data[i] & 0xff);
}
this.mostSigBits = msb;
this.leastSigBits = lsb;
}
/**
* 使用指定的数据构造新的 UUID。
*
* @param mostSigBits 用于 {@code UUID} 的最高有效 64 位
* @param leastSigBits 用于 {@code UUID} 的最低有效 64 位
*/
public UUID(long mostSigBits, long leastSigBits)
{
this.mostSigBits = mostSigBits;
this.leastSigBits = leastSigBits;
}
/**
* 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的本地线程伪随机数生成器生成该 UUID。
*
* @return 随机生成的 {@code UUID}
*/
public static UUID fastUUID()
{
return randomUUID(false);
}
/**
* 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的强伪随机数生成器生成该 UUID。
*
* @return 随机生成的 {@code UUID}
*/
public static UUID randomUUID()
{
return randomUUID(true);
}
/**
* 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的强伪随机数生成器生成该 UUID。
*
* @param isSecure 是否使用{@link SecureRandom}如果是可以获得更安全的随机码，否则可以得到更好的性能
* @return 随机生成的 {@code UUID}
*/
public static UUID randomUUID(boolean isSecure)
{
final Random ng = isSecure ? Holder.numberGenerator : getRandom();
byte[] randomBytes = new byte[16];
ng.nextBytes(randomBytes);
randomBytes[6] &= 0x0f; /* clear version */
randomBytes[6] |= 0x40; /* set to version 4 */
randomBytes[8] &= 0x3f; /* clear variant */
randomBytes[8] |= 0x80; /* set to IETF variant */
return new UUID(randomBytes);
}
/**
* 根据指定的字节数组获取类型 3（基于名称的）UUID 的静态工厂。
*
* @param name 用于构造 UUID 的字节数组。
*
* @return 根据指定数组生成的 {@code UUID}
*/
public static UUID nameUUIDFromBytes(byte[] name)
{
MessageDigest md;
try
{
md = MessageDigest.getInstance("MD5");
}
catch (NoSuchAlgorithmException nsae)
{
throw new InternalError("MD5 not supported");
}
byte[] md5Bytes = md.digest(name);
md5Bytes[6] &= 0x0f; /* clear version */
md5Bytes[6] |= 0x30; /* set to version 3 */
md5Bytes[8] &= 0x3f; /* clear variant */
md5Bytes[8] |= 0x80; /* set to IETF variant */
return new UUID(md5Bytes);
}
/**
* 根据 {@link #toString()} 方法中描述的字符串标准表示形式创建{@code UUID}。
*
* @param name 指定 {@code UUID} 字符串
* @return 具有指定值的 {@code UUID}
* @throws IllegalArgumentException 如果 name 与 {@link #toString} 中描述的字符串表示形式不符抛出此异常
*
*/
public static UUID fromString(String name)
{
String[] components = name.split("-");
if (components.length != 5)
{
throw new IllegalArgumentException("Invalid UUID string: " + name);
}
for (int i = 0; i < 5; i++)
{
components[i] = "0x" + components[i];
}
long mostSigBits = Long.decode(components[0]).longValue();
mostSigBits <<= 16;
mostSigBits |= Long.decode(components[1]).longValue();
mostSigBits <<= 16;
mostSigBits |= Long.decode(components[2]).longValue();
long leastSigBits = Long.decode(components[3]).longValue();
leastSigBits <<= 48;
leastSigBits |= Long.decode(components[4]).longValue();
return new UUID(mostSigBits, leastSigBits);
}
/**
* 返回此 UUID 的 128 位值中的最低有效 64 位。
*
* @return 此 UUID 的 128 位值中的最低有效 64 位。
*/
public long getLeastSignificantBits()
{
return leastSigBits;
}
/**
* 返回此 UUID 的 128 位值中的最高有效 64 位。
*
* @return 此 UUID 的 128 位值中最高有效 64 位。
*/
public long getMostSignificantBits()
{
return mostSigBits;
}
/**
* 与此 {@code UUID} 相关联的版本号. 版本号描述此 {@code UUID} 是如何生成的。
* <p>
* 版本号具有以下含意:
* <ul>
* <li>1 基于时间的 UUID
* <li>2 DCE 安全 UUID
* <li>3 基于名称的 UUID
* <li>4 随机生成的 UUID
* </ul>
*
* @return 此 {@code UUID} 的版本号
*/
public int version()
{
// Version is bits masked by 0x000000000000F000 in MS long
return (int) ((mostSigBits >> 12) & 0x0f);
}
/**
* 与此 {@code UUID} 相关联的变体号。变体号描述 {@code UUID} 的布局。
* <p>
* 变体号具有以下含意：
* <ul>
* <li>0 为 NCS 向后兼容保留
* <li>2 <a href="http://www.ietf.org/rfc/rfc4122.txt">IETF RFC 4122</a>(Leach-Salz), 用于此类
* <li>6 保留，微软向后兼容
* <li>7 保留供以后定义使用
* </ul>
*
* @return 此 {@code UUID} 相关联的变体号
*/
public int variant()
{
// This field is composed of a varying number of bits.
// 0 - - Reserved for NCS backward compatibility
// 1 0 - The IETF aka Leach-Salz variant (used by this class)
// 1 1 0 Reserved, Microsoft backward compatibility
// 1 1 1 Reserved for future definition.
return (int) ((leastSigBits >>> (64 - (leastSigBits >>> 62))) & (leastSigBits >> 63));
}
/**
* 与此 UUID 相关联的时间戳值。
*
* <p>
* 60 位的时间戳值根据此 {@code UUID} 的 time_low、time_mid 和 time_hi 字段构造。<br>
* 所得到的时间戳以 100 毫微秒为单位，从 UTC（通用协调时间） 1582 年 10 月 15 日零时开始。
*
* <p>
* 时间戳值仅在在基于时间的 UUID（其 version 类型为 1）中才有意义。<br>
* 如果此 {@code UUID} 不是基于时间的 UUID，则此方法抛出 UnsupportedOperationException。
*
* @throws UnsupportedOperationException 如果此 {@code UUID} 不是 version 为 1 的 UUID。
*/
public long timestamp() throws UnsupportedOperationException
{
checkTimeBase();
return (mostSigBits & 0x0FFFL) << 48//
| ((mostSigBits >> 16) & 0x0FFFFL) << 32//
| mostSigBits >>> 32;
}
/**
* 与此 UUID 相关联的时钟序列值。
*
* <p>
* 14 位的时钟序列值根据此 UUID 的 clock_seq 字段构造。clock_seq 字段用于保证在基于时间的 UUID 中的时间唯一性。
* <p>
* {@code clockSequence} 值仅在基于时间的 UUID（其 version 类型为 1）中才有意义。 如果此 UUID 不是基于时间的 UUID，则此方法抛出
* UnsupportedOperationException。
*
* @return 此 {@code UUID} 的时钟序列
*
* @throws UnsupportedOperationException 如果此 UUID 的 version 不为 1
*/
public int clockSequence() throws UnsupportedOperationException
{
checkTimeBase();
return (int) ((leastSigBits & 0x3FFF000000000000L) >>> 48);
}
/**
* 与此 UUID 相关的节点值。
*
* <p>
* 48 位的节点值根据此 UUID 的 node 字段构造。此字段旨在用于保存机器的 IEEE 802 地址，该地址用于生成此 UUID 以保证空间唯一性。
* <p>
* 节点值仅在基于时间的 UUID（其 version 类型为 1）中才有意义。<br>
* 如果此 UUID 不是基于时间的 UUID，则此方法抛出 UnsupportedOperationException。
*
* @return 此 {@code UUID} 的节点值
*
* @throws UnsupportedOperationException 如果此 UUID 的 version 不为 1
*/
public long node() throws UnsupportedOperationException
{
checkTimeBase();
return leastSigBits & 0x0000FFFFFFFFFFFFL;
}
/**
* 返回此{@code UUID} 的字符串表现形式。
*
* <p>
* UUID 的字符串表示形式由此 BNF 描述：
*
* <pre>
* {@code
* UUID = <time_low>-<time_mid>-<time_high_and_version>-<variant_and_sequence>-<node>
* time_low = 4*<hexOctet>
* time_mid = 2*<hexOctet>
* time_high_and_version = 2*<hexOctet>
* variant_and_sequence = 2*<hexOctet>
* node = 6*<hexOctet>
* hexOctet = <hexDigit><hexDigit>
* hexDigit = [0-9a-fA-F]
* }
* </pre>
*
* </blockquote>
*
* @return 此{@code UUID} 的字符串表现形式
* @see #toString(boolean)
*/
@Override
public String toString()
{
return toString(false);
}
/**
* 返回此{@code UUID} 的字符串表现形式。
*
* <p>
* UUID 的字符串表示形式由此 BNF 描述：
*
* <pre>
* {@code
* UUID = <time_low>-<time_mid>-<time_high_and_version>-<variant_and_sequence>-<node>
* time_low = 4*<hexOctet>
* time_mid = 2*<hexOctet>
* time_high_and_version = 2*<hexOctet>
* variant_and_sequence = 2*<hexOctet>
* node = 6*<hexOctet>
* hexOctet = <hexDigit><hexDigit>
* hexDigit = [0-9a-fA-F]
* }
* </pre>
*
* </blockquote>
*
* @param isSimple 是否简单模式，简单模式为不带'-'的UUID字符串
* @return 此{@code UUID} 的字符串表现形式
*/
public String toString(boolean isSimple)
{
final StringBuilder builder = new StringBuilder(isSimple ? 32 : 36);
// time_low
builder.append(digits(mostSigBits >> 32, 8));
if (!isSimple)
{
builder.append('-');
}
// time_mid
builder.append(digits(mostSigBits >> 16, 4));
if (!isSimple)
{
builder.append('-');
}
// time_high_and_version
builder.append(digits(mostSigBits, 4));
if (!isSimple)
{
builder.append('-');
}
// variant_and_sequence
builder.append(digits(leastSigBits >> 48, 4));
if (!isSimple)
{
builder.append('-');
}
// node
builder.append(digits(leastSigBits, 12));
return builder.toString();
}
/**
* 返回此 UUID 的哈希码。
*
* @return UUID 的哈希码值。
*/
@Override
public int hashCode()
{
long hilo = mostSigBits ^ leastSigBits;
return ((int) (hilo >> 32)) ^ (int) hilo;
}
/**
* 将此对象与指定对象比较。
* <p>
* 当且仅当参数不为 {@code null}、而是一个 UUID 对象、具有与此 UUID 相同的 varriant、包含相同的值（每一位均相同）时，结果才为 {@code true}。
*
* @param obj 要与之比较的对象
*
* @return 如果对象相同，则返回 {@code true}；否则返回 {@code false}
*/
@Override
public boolean equals(Object obj)
{
if ((null == obj) || (obj.getClass() != UUID.class))
{
return false;
}
UUID id = (UUID) obj;
return (mostSigBits == id.mostSigBits && leastSigBits == id.leastSigBits);
}
// Comparison Operations
/**
* 将此 UUID 与指定的 UUID 比较。
*
* <p>
* 如果两个 UUID 不同，且第一个 UUID 的最高有效字段大于第二个 UUID 的对应字段，则第一个 UUID 大于第二个 UUID。
*
* @param val 与此 UUID 比较的 UUID
*
* @return 在此 UUID 小于、等于或大于 val 时，分别返回 -1、0 或 1。
*
*/
@Override
public int compareTo(UUID val)
{
// The ordering is intentionally set up so that the UUIDs
// can simply be numerically compared as two numbers
return (this.mostSigBits < val.mostSigBits ? -1 : //
(this.mostSigBits > val.mostSigBits ? 1 : //
(this.leastSigBits < val.leastSigBits ? -1 : //
(this.leastSigBits > val.leastSigBits ? 1 : //
0))));
}
// -------------------------------------------------------------------------------------------------------------------
// Private method start
/**
* 返回指定数字对应的hex值
*
* @param val 值
* @param digits 位
* @return 值
*/
private static String digits(long val, int digits)
{
long hi = 1L << (digits * 4);
return Long.toHexString(hi | (val & (hi - 1))).substring(1);
}
/**
* 检查是否为time-based版本UUID
*/
private void checkTimeBase()
{
if (version() != 1)
{
throw new UnsupportedOperationException("Not a time-based UUID");
}
}
/**
* 获取{@link SecureRandom}，类提供加密的强随机数生成器 (RNG)
*
* @return {@link SecureRandom}
*/
public static SecureRandom getSecureRandom()
{
try
{
return SecureRandom.getInstance("SHA1PRNG");
}
catch (NoSuchAlgorithmException e)
{
throw new UtilException(e);
}
}
/**
* 获取随机数生成器对象<br>
* ThreadLocalRandom是JDK 7之后提供并发产生随机数，能够解决多个线程发生的竞争争夺。
*
* @return {@link ThreadLocalRandom}
*/
public static ThreadLocalRandom getRandom()
{
return ThreadLocalRandom.current();
}
}
java
package com.ruoyi.common.utils;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* 精确的浮点数运算
*
* @author ruoyi
*/
public class Arith
{
/** 默认除法运算精度 */
private static final int DEF_DIV_SCALE = 10;
/** 这个类不能实例化 */
private Arith()
{
}
/**
* 提供精确的加法运算。
* @param v1 被加数
* @param v2 加数
* @return 两个参数的和
*/
public static double add(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.add(b2).doubleValue();
}
/**
* 提供精确的减法运算。
* @param v1 被减数
* @param v2 减数
* @return 两个参数的差
*/
public static double sub(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.subtract(b2).doubleValue();
}
/**
* 提供精确的乘法运算。
* @param v1 被乘数
* @param v2 乘数
* @return 两个参数的积
*/
public static double mul(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.multiply(b2).doubleValue();
}
/**
* 提供（相对）精确的除法运算，当发生除不尽的情况时，精确到
* 小数点以后10位，以后的数字四舍五入。
* @param v1 被除数
* @param v2 除数
* @return 两个参数的商
*/
public static double div(double v1, double v2)
{
return div(v1, v2, DEF_DIV_SCALE);
}
/**
* 提供（相对）精确的除法运算。当发生除不尽的情况时，由scale参数指
* 定精度，以后的数字四舍五入。
* @param v1 被除数
* @param v2 除数
* @param scale 表示表示需要精确到小数点以后几位。
* @return 两个参数的商
*/
public static double div(double v1, double v2, int scale)
{
if (scale < 0)
{
throw new IllegalArgumentException(
"The scale must be a positive integer or zero");
}
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
if (b1.compareTo(BigDecimal.ZERO) == 0)
{
return BigDecimal.ZERO.doubleValue();
}
return b1.divide(b2, scale, RoundingMode.HALF_UP).doubleValue();
}
/**
* 提供精确的小数位四舍五入处理。
* @param v 需要四舍五入的数字
* @param scale 小数点后保留几位
* @return 四舍五入后的结果
*/
public static double round(double v, int scale)
{
if (scale < 0)
{
throw new IllegalArgumentException(
"The scale must be a positive integer or zero");
}
BigDecimal b = new BigDecimal(Double.toString(v));
BigDecimal one = BigDecimal.ONE;
return b.divide(one, scale, RoundingMode.HALF_UP).doubleValue();
}
}
javapackage com.ruoyi.common.utils;
import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;
/**
* 时间工具类
*
* @author ruoyi
*/
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
public static String YYYY = "yyyy";
public static String YYYY_MM = "yyyy-MM";
public static String YYYY_MM_DD = "yyyy-MM-dd";
public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
private static String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
/**
* 获取当前Date型日期
*
* @return Date() 当前日期
*/
public static Date getNowDate()
{
return new Date();
}
/**
* 获取当前日期, 默认格式为yyyy-MM-dd
*
* @return String
*/
public static String getDate()
{
return dateTimeNow(YYYY_MM_DD);
}
public static final String getTime()
{
return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
}
public static final String dateTimeNow()
{
return dateTimeNow(YYYYMMDDHHMMSS);
}
public static final String dateTimeNow(final String format)
{
return parseDateToStr(format, new Date());
}
public static final String dateTime(final Date date)
{
return parseDateToStr(YYYY_MM_DD, date);
}
public static final String parseDateToStr(final String format, final Date date)
{
return new SimpleDateFormat(format).format(date);
}
public static final Date dateTime(final String format, final String ts)
{
try
{
return new SimpleDateFormat(format).parse(ts);
}
catch (ParseException e)
{
throw new RuntimeException(e);
}
}
/**
* 日期路径 即年/月/日 如2018/08/08
*/
public static final String datePath()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyy/MM/dd");
}
/**
* 日期路径 即年/月/日 如20180808
*/
public static final String dateTime()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyyMMdd");
}
/**
* 日期型字符串转化为日期 格式
*/
public static Date parseDate(Object str)
{
if (str == null)
{
return null;
}
try
{
return parseDate(str.toString(), parsePatterns);
}
catch (ParseException e)
{
return null;
}
}
/**
* 获取服务器启动时间
*/
public static Date getServerStartDate()
{
long time = ManagementFactory.getRuntimeMXBean().getStartTime();
return new Date(time);
}
/**
* 计算相差天数
*/
public static int differentDaysByMillisecond(Date date1, Date date2)
{
return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
}
/**
* 计算两个时间差
*/
public static String getDatePoor(Date endDate, Date nowDate)
{
long nd = 1000 * 24 * 60 * 60;
long nh = 1000 * 60 * 60;
long nm = 1000 * 60;
// long ns = 1000;
// 获得两个时间的毫秒时间差异
long diff = endDate.getTime() - nowDate.getTime();
// 计算差多少天
long day = diff / nd;
// 计算差多少小时
long hour = diff % nd / nh;
// 计算差多少分钟
long min = diff % nd % nh / nm;
// 计算差多少秒//输出结果
// long sec = diff % nd % nh % nm / ns;
return day + "天" + hour + "小时" + min + "分钟";
}
/**
* 增加 LocalDateTime ==> Date
*/
public static Date toDate(LocalDateTime temporalAccessor)
{
ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
return Date.from(zdt.toInstant());
}
/**
* 增加 LocalDate ==> Date
*/
public static Date toDate(LocalDate temporalAccessor)
{
LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zdt.toInstant());
}
}
java
package com.ruoyi.common.utils;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.text.Convert;
/**
* 客户端工具类
*
* @author ruoyi
*/
public class ServletUtils
{
/**
* 获取String参数
*/
public static String getParameter(String name)
{
return getRequest().getParameter(name);
}
/**
* 获取String参数
*/
public static String getParameter(String name, String defaultValue)
{
return Convert.toStr(getRequest().getParameter(name), defaultValue);
}
/**
* 获取Integer参数
*/
public static Integer getParameterToInt(String name)
{
return Convert.toInt(getRequest().getParameter(name));
}
/**
* 获取Integer参数
*/
public static Integer getParameterToInt(String name, Integer defaultValue)
{
return Convert.toInt(getRequest().getParameter(name), defaultValue);
}
/**
* 获取Boolean参数
*/
public static Boolean getParameterToBool(String name)
{
return Convert.toBool(getRequest().getParameter(name));
}
/**
* 获取Boolean参数
*/
public static Boolean getParameterToBool(String name, Boolean defaultValue)
{
return Convert.toBool(getRequest().getParameter(name), defaultValue);
}
/**
* 获得所有请求参数
*
* @param request 请求对象{@link ServletRequest}
* @return Map
*/
public static Map<String, String[]> getParams(ServletRequest request)
{
final Map<String, String[]> map = request.getParameterMap();
return Collections.unmodifiableMap(map);
}
/**
* 获得所有请求参数
*
* @param request 请求对象{@link ServletRequest}
* @return Map
*/
public static Map<String, String> getParamMap(ServletRequest request)
{
Map<String, String> params = new HashMap<>();
for (Map.Entry<String, String[]> entry : getParams(request).entrySet())
{
params.put(entry.getKey(), StringUtils.join(entry.getValue(), ","));
}
return params;
}
/**
* 获取request
*/
public static HttpServletRequest getRequest()
{
return getRequestAttributes().getRequest();
}
/**
* 获取response
*/
public static HttpServletResponse getResponse()
{
return getRequestAttributes().getResponse();
}
/**
* 获取session
*/
public static HttpSession getSession()
{
return getRequest().getSession();
}
public static ServletRequestAttributes getRequestAttributes()
{
RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
return (ServletRequestAttributes) attributes;
}
/**
* 将字符串渲染到客户端
*
* @param response 渲染对象
* @param string 待渲染的字符串
*/
public static void renderString(HttpServletResponse response, String string)
{
try
{
response.setStatus(200);
response.setContentType("application/json");
response.setCharacterEncoding("utf-8");
response.getWriter().print(string);
}
catch (IOException e)
{
e.printStackTrace();
}
}
/**
* 是否是Ajax异步请求
*
* @param request
*/
public static boolean isAjaxRequest(HttpServletRequest request)
{
String accept = request.getHeader("accept");
if (accept != null && accept.contains("application/json"))
{
return true;
}
String xRequestedWith = request.getHeader("X-Requested-With");
if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest"))
{
return true;
}
String uri = request.getRequestURI();
if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml"))
{
return true;
}
String ajax = request.getParameter("__ajax");
return StringUtils.inStringIgnoreCase(ajax, "json", "xml");
}
/**
* 内容编码
*
* @param str 内容
* @return 编码后的内容
*/
public static String urlEncode(String str)
{
try
{
return URLEncoder.encode(str, Constants.UTF8);
}
catch (UnsupportedEncodingException e)
{
return StringUtils.EMPTY;
}
}
/**
* 内容解码
*
* @param str 内容
* @return 解码后的内容
*/
public static String urlDecode(String str)
{
try
{
return URLDecoder.decode(str, Constants.UTF8);
}
catch (UnsupportedEncodingException e)
{
return StringUtils.EMPTY;
}
}
}
java
package com.ruoyi.common.utils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.util.AntPathMatcher;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.text.StrFormatter;
/**
* 字符串工具类
*
* @author ruoyi
*/
public class StringUtils extends org.apache.commons.lang3.StringUtils
{
/** 空字符串 */
private static final String NULLSTR = "";
/** 下划线 */
private static final char SEPARATOR = '_';
/**
* 获取参数不为空值
*
* @param value defaultValue 要判断的value
* @return value 返回值
*/
public static <T> T nvl(T value, T defaultValue)
{
return value != null ? value : defaultValue;
}
/**
* * 判断一个Collection是否为空， 包含List，Set，Queue
*
* @param coll 要判断的Collection
* @return true：为空 false：非空
*/
public static boolean isEmpty(Collection<?> coll)
{
return isNull(coll) || coll.isEmpty();
}
/**
* * 判断一个Collection是否非空，包含List，Set，Queue
*
* @param coll 要判断的Collection
* @return true：非空 false：空
*/
public static boolean isNotEmpty(Collection<?> coll)
{
return !isEmpty(coll);
}
/**
* * 判断一个对象数组是否为空
*
* @param objects 要判断的对象数组
** @return true：为空 false：非空
*/
public static boolean isEmpty(Object[] objects)
{
return isNull(objects) || (objects.length == 0);
}
/**
* * 判断一个对象数组是否非空
*
* @param objects 要判断的对象数组
* @return true：非空 false：空
*/
public static boolean isNotEmpty(Object[] objects)
{
return !isEmpty(objects);
}
/**
* * 判断一个Map是否为空
*
* @param map 要判断的Map
* @return true：为空 false：非空
*/
public static boolean isEmpty(Map<?, ?> map)
{
return isNull(map) || map.isEmpty();
}
/**
* * 判断一个Map是否为空
*
* @param map 要判断的Map
* @return true：非空 false：空
*/
public static boolean isNotEmpty(Map<?, ?> map)
{
return !isEmpty(map);
}
/**
* * 判断一个字符串是否为空串
*
* @param str String
* @return true：为空 false：非空
*/
public static boolean isEmpty(String str)
{
return isNull(str) || NULLSTR.equals(str.trim());
}
/**
* * 判断一个字符串是否为非空串
*
* @param str String
* @return true：非空串 false：空串
*/
public static boolean isNotEmpty(String str)
{
return !isEmpty(str);
}
/**
* * 判断一个对象是否为空
*
* @param object Object
* @return true：为空 false：非空
*/
public static boolean isNull(Object object)
{
return object == null;
}
/**
* * 判断一个对象是否非空
*
* @param object Object
* @return true：非空 false：空
*/
public static boolean isNotNull(Object object)
{
return !isNull(object);
}
/**
* * 判断一个对象是否是数组类型（Java基本型别的数组）
*
* @param object 对象
* @return true：是数组 false：不是数组
*/
public static boolean isArray(Object object)
{
return isNotNull(object) && object.getClass().isArray();
}
/**
* 去空格
*/
public static String trim(String str)
{
return (str == null ? "" : str.trim());
}
/**
* 截取字符串
*
* @param str 字符串
* @param start 开始
* @return 结果
*/
public static String substring(final String str, int start)
{
if (str == null)
{
return NULLSTR;
}
if (start < 0)
{
start = str.length() + start;
}
if (start < 0)
{
start = 0;
}
if (start > str.length())
{
return NULLSTR;
}
return str.substring(start);
}
/**
* 截取字符串
*
* @param str 字符串
* @param start 开始
* @param end 结束
* @return 结果
*/
public static String substring(final String str, int start, int end)
{
if (str == null)
{
return NULLSTR;
}
if (end < 0)
{
end = str.length() + end;
}
if (start < 0)
{
start = str.length() + start;
}
if (end > str.length())
{
end = str.length();
}
if (start > end)
{
return NULLSTR;
}
if (start < 0)
{
start = 0;
}
if (end < 0)
{
end = 0;
}
return str.substring(start, end);
}
/**
* 格式化文本, {} 表示占位符<br>
* 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
* 如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
* 例：<br>
* 通常使用：format("this is {} for {}", "a", "b") -> this is a for b<br>
* 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
* 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
*
* @param template 文本模板，被替换的部分用 {} 表示
* @param params 参数值
* @return 格式化后的文本
*/
public static String format(String template, Object... params)
{
if (isEmpty(params) || isEmpty(template))
{
return template;
}
return StrFormatter.format(template, params);
}
/**
* 是否为http(s)://开头
*
* @param link 链接
* @return 结果
*/
public static boolean ishttp(String link)
{
return StringUtils.startsWithAny(link, Constants.HTTP, Constants.HTTPS);
}
/**
* 字符串转set
*
* @param str 字符串
* @param sep 分隔符
* @return set集合
*/
public static final Set<String> str2Set(String str, String sep)
{
return new HashSet<String>(str2List(str, sep, true, false));
}
/**
* 字符串转list
*
* @param str 字符串
* @param sep 分隔符
* @param filterBlank 过滤纯空白
* @param trim 去掉首尾空白
* @return list集合
*/
public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim)
{
List<String> list = new ArrayList<String>();
if (StringUtils.isEmpty(str))
{
return list;
}
// 过滤空白字符串
if (filterBlank && StringUtils.isBlank(str))
{
return list;
}
String[] split = str.split(sep);
for (String string : split)
{
if (filterBlank && StringUtils.isBlank(string))
{
continue;
}
if (trim)
{
string = string.trim();
}
list.add(string);
}
return list;
}
/**
* 判断给定的set列表中是否包含数组array 判断给定的数组array中是否包含给定的元素value
*
* @param set 给定的集合
* @param array 给定的数组
* @return boolean 结果
*/
public static boolean containsAny(Collection<String> collection, String... array)
{
if (isEmpty(collection) || isEmpty(array))
{
return false;
}
else
{
for (String str : array)
{
if (collection.contains(str))
{
return true;
}
}
return false;
}
}
/**
* 查找指定字符串是否包含指定字符串列表中的任意一个字符串同时串忽略大小写
*
* @param cs 指定字符串
* @param searchCharSequences 需要检查的字符串数组
* @return 是否包含任意一个字符串
*/
public static boolean containsAnyIgnoreCase(CharSequence cs, CharSequence... searchCharSequences)
{
if (isEmpty(cs) || isEmpty(searchCharSequences))
{
return false;
}
for (CharSequence testStr : searchCharSequences)
{
if (containsIgnoreCase(cs, testStr))
{
return true;
}
}
return false;
}
/**
* 驼峰转下划线命名
*/
public static String toUnderScoreCase(String str)
{
if (str == null)
{
return null;
}
StringBuilder sb = new StringBuilder();
// 前置字符是否大写
boolean preCharIsUpperCase = true;
// 当前字符是否大写
boolean curreCharIsUpperCase = true;
// 下一字符是否大写
boolean nexteCharIsUpperCase = true;
for (int i = 0; i < str.length(); i++)
{
char c = str.charAt(i);
if (i > 0)
{
preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
}
else
{
preCharIsUpperCase = false;
}
curreCharIsUpperCase = Character.isUpperCase(c);
if (i < (str.length() - 1))
{
nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
}
if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase)
{
sb.append(SEPARATOR);
}
else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase)
{
sb.append(SEPARATOR);
}
sb.append(Character.toLowerCase(c));
}
return sb.toString();
}
/**
* 是否包含字符串
*
* @param str 验证字符串
* @param strs 字符串组
* @return 包含返回true
*/
public static boolean inStringIgnoreCase(String str, String... strs)
{
if (str != null && strs != null)
{
for (String s : strs)
{
if (str.equalsIgnoreCase(trim(s)))
{
return true;
}
}
}
return false;
}
/**
* 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。 例如：HELLO_WORLD->HelloWorld
*
* @param name 转换前的下划线大写方式命名的字符串
* @return 转换后的驼峰式命名的字符串
*/
public static String convertToCamelCase(String name)
{
StringBuilder result = new StringBuilder();
// 快速检查
if (name == null || name.isEmpty())
{
// 没必要转换
return "";
}
else if (!name.contains("_"))
{
// 不含下划线，仅将首字母大写
return name.substring(0, 1).toUpperCase() + name.substring(1);
}
// 用下划线将原始字符串分割
String[] camels = name.split("_");
for (String camel : camels)
{
// 跳过原始字符串中开头、结尾的下换线或双重下划线
if (camel.isEmpty())
{
continue;
}
// 首字母大写
result.append(camel.substring(0, 1).toUpperCase());
result.append(camel.substring(1).toLowerCase());
}
return result.toString();
}
/**
* 驼峰式命名法 例如：user_name->userName
*/
public static String toCamelCase(String s)
{
if (s == null)
{
return null;
}
s = s.toLowerCase();
StringBuilder sb = new StringBuilder(s.length());
boolean upperCase = false;
for (int i = 0; i < s.length(); i++)
{
char c = s.charAt(i);
if (c == SEPARATOR)
{
upperCase = true;
}
else if (upperCase)
{
sb.append(Character.toUpperCase(c));
upperCase = false;
}
else
{
sb.append(c);
}
}
return sb.toString();
}
/**
* 查找指定字符串是否匹配指定字符串列表中的任意一个字符串
*
* @param str 指定字符串
* @param strs 需要检查的字符串数组
* @return 是否匹配
*/
public static boolean matches(String str, List<String> strs)
{
if (isEmpty(str) || isEmpty(strs))
{
return false;
}
for (String pattern : strs)
{
if (isMatch(pattern, str))
{
return true;
}
}
return false;
}
/**
* 判断url是否与规则配置:
* ? 表示单个字符;
* * 表示一层路径内的任意字符串，不可跨层级;
* ** 表示任意层路径;
*
* @param pattern 匹配规则
* @param url 需要匹配的url
* @return
*/
public static boolean isMatch(String pattern, String url)
{
AntPathMatcher matcher = new AntPathMatcher();
return matcher.match(pattern, url);
}
@SuppressWarnings("unchecked")
public static <T> T cast(Object obj)
{
return (T) obj;
}
/**
* 数字左边补齐0，使之达到指定长度。注意，如果数字转换为字符串后，长度大于size，则只保留 最后size个字符。
*
* @param num 数字对象
* @param size 字符串指定长度
* @return 返回数字的字符串格式，该字符串为指定长度。
*/
public static final String padl(final Number num, final int size)
{
return padl(num.toString(), size, '0');
}
/**
* 字符串左补齐。如果原始字符串s长度大于size，则只保留最后size个字符。
*
* @param s 原始字符串
* @param size 字符串指定长度
* @param c 用于补齐的字符
* @return 返回指定长度的字符串，由原字符串左补齐或截取得到。
*/
public static final String padl(final String s, final int size, final char c)
{
final StringBuilder sb = new StringBuilder(size);
if (s != null)
{
final int len = s.length();
if (s.length() <= size)
{
for (int i = size - len; i > 0; i--)
{
sb.append(c);
}
sb.append(s);
}
else
{
return s.substring(len - size, len);
}
}
else
{
for (int i = size; i > 0; i--)
{
sb.append(c);
}
}
return sb.toString();
}
}
java
package com.ruoyi.common.utils;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 线程相关工具类.
*
* @author ruoyi
*/
public class Threads
{
private static final Logger logger = LoggerFactory.getLogger(Threads.class);
/**
* sleep等待,单位为毫秒
*/
public static void sleep(long milliseconds)
{
try
{
Thread.sleep(milliseconds);
}
catch (InterruptedException e)
{
return;
}
}
/**
* 停止线程池
* 先使用shutdown, 停止接收新任务并尝试完成所有已存在任务.
* 如果超时, 则调用shutdownNow, 取消在workQueue中Pending的任务,并中断所有阻塞函数.
* 如果仍然超時，則強制退出.
* 另对在shutdown时线程本身被调用中断做了处理.
*/
public static void shutdownAndAwaitTermination(ExecutorService pool)
{
if (pool != null && !pool.isShutdown())
{
pool.shutdown();
try
{
if (!pool.awaitTermination(120, TimeUnit.SECONDS))
{
pool.shutdownNow();
if (!pool.awaitTermination(120, TimeUnit.SECONDS))
{
logger.info("Pool did not terminate");
}
}
}
catch (InterruptedException ie)
{
pool.shutdownNow();
Thread.currentThread().interrupt();
}
}
}
/**
* 打印线程异常信息
*/
public static void printException(Runnable r, Throwable t)
{
if (t == null && r instanceof Future<?>)
{
try
{
Future<?> future = (Future<?>) r;
if (future.isDone())
{
future.get();
}
}
catch (CancellationException ce)
{
t = ce;
}
catch (ExecutionException ee)
{
t = ee.getCause();
}
catch (InterruptedException ie)
{
Thread.currentThread().interrupt();
}
}
if (t != null)
{
logger.error(t.getMessage(), t);
}
}
}
本文作者:Weee
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