package org.jeecgframework.core.util;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.ArrayList;import java.util.Enumeration;import java.util.List;import java.util.zip.ZipOutputStream;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;public class ZipUtil { /** * 解压到指定目录 * * @param zipPath * @param descDir * @author isea533 */ @Deprecated public static void unZipFiles(String zipPath, String descDir) throws IOException { unZipFiles(new File(zipPath), descDir); } /** * 解压文件到指定目录 * * @param zipFile * @param descDir * @author isea533 */ @SuppressWarnings("rawtypes") public static void unZipFiles(File zipFile, String descDir) throws IOException { File pathFile = new File(descDir); if (!pathFile.exists()) { pathFile.mkdirs(); } ZipFile zip = new ZipFile(zipFile); for (Enumeration entries = zip.getEntries(); entries.hasMoreElements();) { ZipEntry entry = (ZipEntry) entries.nextElement(); String zipEntryName = entry.getName(); InputStream in = zip.getInputStream(entry); String outPath = (descDir + zipEntryName).replaceAll("\\*", "/"); outPath = new String(outPath.getBytes("utf-8"), "ISO8859-1"); ; // 判断路径是否存在,不存在则创建文件路径 File file = new File(outPath.substring(0, outPath.lastIndexOf('/'))); if (!file.exists()) { file.mkdirs(); } // 判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压 if (new File(outPath).isDirectory()) { continue; } // 输出文件路径信息 //System.out.println(outPath); OutputStream out = new FileOutputStream(outPath); byte[] buf1 = new byte[1024]; int len; while ((len = in.read(buf1)) > 0) { out.write(buf1, 0, len); } in.close(); out.close(); } } /** * 递归压缩文件 * * @param source *            源路径,可以是文件,也可以目录 * @param destinct *            目标路径,压缩文件名 * @throws IOException */ public static void compress(String source, String destinct) throws IOException { List fileList = loadFilename(new File(source)); ZipOutputStream zos = new ZipOutputStream(new FileOutputStream( new File(destinct))); byte[] buffere = new byte[8192]; int length; BufferedInputStream bis; for (int i = 0; i < fileList.size(); i++) { File file = (File) fileList.get(i); zos.putNextEntry(new ZipEntry(getEntryName(source, file))); bis = new BufferedInputStream(new FileInputStream(file)); while (true) { length = bis.read(buffere); if (length == -1) break; zos.write(buffere, 0, length); } bis.close(); zos.closeEntry(); } zos.close(); } /** * 递归获得该文件下所有文件名(不包括目录名) * * @param file * @return */ private static List loadFilename(File file) { List filenameList = new ArrayList(); if (file.isFile()) { filenameList.add(file); } if (file.isDirectory()) { for (File f : file.listFiles()) { filenameList.addAll(loadFilename(f)); } } return filenameList; } /** * 获得zip entry 字符串 * * @param base * @param file * @return */ private static String getEntryName(String base, File file) { File baseFile = new File(base); String filename = file.getPath(); // int index=filename.lastIndexOf(baseFile.getName()); if (baseFile.getParentFile().getParentFile() == null) return filename.substring(baseFile.getParent().length()); return filename.substring(baseFile.getParent().length() + 1); } public static void main(String[] args) throws IOException {        //compress("D:/tomcat-5.5.20","d:/test/testZip.zip"); unZip("D:/saas-plugin-web-master-shiro-mybatis.zip","D:/123"); } private static final int buffer = 2048;     /**      * 解压Zip文件      * @param path 文件目录      */     public static void unZip(String path,String savepath)         {          int count = -1;          File file = null;          InputStream is = null;          FileOutputStream fos = null;          BufferedOutputStream bos = null;          new File(savepath).mkdir(); //创建保存目录          ZipFile zipFile = null;          try          {              zipFile = new ZipFile(path,"gbk"); //解决中文乱码问题              Enumeration<?> entries = zipFile.getEntries();              while(entries.hasMoreElements())              {                  byte buf[] = new byte[buffer];                  ZipEntry entry = (ZipEntry)entries.nextElement();                  String filename = entry.getName();                  boolean ismkdir = false;                  if(filename.lastIndexOf("/") != -1){ //检查此文件是否带有文件夹                     ismkdir = true;                  }                  filename = savepath + filename;                  if(entry.isDirectory()){ //如果是文件夹先创建                     file = new File(filename);                     file.mkdirs();                      continue;                  }                  file = new File(filename);                  if(!file.exists()){ //如果是目录先创建                     if(ismkdir){                     new File(filename.substring(0, filename.lastIndexOf("/"))).mkdirs(); //目录先创建                     }                  }                  file.createNewFile(); //创建文件                  is = zipFile.getInputStream(entry);                  fos = new FileOutputStream(file);                  bos = new BufferedOutputStream(fos, buffer);                  while((count = is.read(buf)) > -1)                  {                      bos.write(buf, 0, count);                  }                  bos.flush();                  bos.close();                  fos.close();                  is.close();              }              zipFile.close();          }catch(IOException ioe){              ioe.printStackTrace();          }finally{                 try{                 if(bos != null){                     bos.close();                 }                 if(fos != null) {                     fos.close();                 }                 if(is != null){                     is.close();                 }                 if(zipFile != null){                     zipFile.close();                 }                 }catch(Exception e) {                     e.printStackTrace();                 }             }         }   }

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