package com.jcsoft.transaction.common.action;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;/** * 压缩文件 */public class DownPackAction {     public static File doZip(String sourceDir, String zipFilePath)              throws IOException {                            File file = new File(sourceDir);              File zipFile = new File(zipFilePath);              ZipOutputStream zos = null;              try {               // 创建写出流操作               OutputStream os = new FileOutputStream(zipFile);               BufferedOutputStream bos = new BufferedOutputStream(os);               zos = new ZipOutputStream(bos);                              String basePath = null;                              // 获取目录               if(file.isDirectory()) {                basePath = file.getPath();               }else {                basePath = file.getParent();               }                              zipFile(file, basePath, zos);              }finally {               if(zos != null) {                zos.closeEntry();                zos.close();               }              }                            return zipFile;             }             /**               * @param source 源文件              * @param basePath               * @param zos               */             private static void zipFile(File source, String basePath, ZipOutputStream zos)              throws IOException {              File[] files = null;              if (source.isDirectory()) {               files = source.listFiles();              } else {               files = new File[1];               files[0] = source;              }                            InputStream is = null;              String pathName;              byte[] buf = new byte[1024];              int length = 0;              try{               for(File file : files) {                if(file.isDirectory()) {                 pathName = file.getPath().substring(basePath.length() + 1) + "/";                 zos.putNextEntry(new ZipEntry(pathName));                 zipFile(file, basePath, zos);                }else {                 pathName = file.getPath().substring(basePath.length() + 1);                 is = new FileInputStream(file);                 BufferedInputStream bis = new BufferedInputStream(is);                 zos.putNextEntry(new ZipEntry(pathName));                 while ((length = bis.read(buf)) > 0) {                  zos.write(buf, 0, length);                 }                }               }              }finally {               if(is != null) {                is.close();               }              }             }             public static void main(String[] args) {                    try {                     //将D:\\test1文件夹打包到D:\\test2并命名为test1.zip                    doZip("D:\\test1","D:\\test2\\test1.zip");                 } catch (IOException e) {                    e.printStackTrace();                }                   }   }