java实现文件压缩与解压缩(支持中文)

java 代码

import java.io.*;
import java.util.*;
import org.apache.tools.zip.*;


/**
         * added by czl
         * 2007-06-05
         * 压缩文件，支持中文路径及中文文件名
         * compressFileName(指定压缩后的文件及路径):path+"/tempfile/test.zip"
         * args(所要压缩的文件):String args[]={path+"/tempfile/download_123.txt",path+"/tempfile/download_456.txt",path+"/tempfile/download_789.txt"}
         */

        public static boolean createZip(String compressFileName,String args[]){
            boolean flag = false;
            try{
                byte b[] = new byte[512];
                ZipOutputStream zout = new ZipOutputStream(new FileOutputStream(compressFileName));
                for(int i = 0; i < args.length; i++){
                   InputStream in = new FileInputStream(args[i]);
                   File file=new File(args[i]);
                   String filename = file.getName();//取得文件名
//                 ZipEntry e = new ZipEntry(args[i].replace(File.separatorChar,'/')); //压缩后带路径
                   ZipEntry e = new ZipEntry(filename);         //压缩后不带路径
                   zout.putNextEntry(e);
                   int len=0;
                   while((len=in.read(b)) != -1){
                      zout.write(b,0,len);
                   }
                   zout.closeEntry();
                 }
                 zout.close();
                 flag = true;
            }catch(Exception e){
                e.printStackTrace();
            }
            return flag;
        }
        /**
         * added by czl
         * 2007-06-05
         * 解zip压缩文件，支持中文路径及中文文件名
         * @param zipFile
         * @param outFilePath
         * @param mode
         */
        public static boolean unZip(String zipFile,String outFilePath,int mode){
            boolean flag = false;
            try{
              File file = new File(zipFile);
              String fileName = file.getName();
              if(mode == 1)
              {
                  outFilePath += File.separator;  //文件当前路径下
              }else{
                  outFilePath += File.separator+fileName.substring(0,fileName.length()-4)+File.separator;
              }
              File tmpFileDir = new File(outFilePath);
              tmpFileDir.mkdirs();

              ZipFile zf = new ZipFile(zipFile);
              FileOutputStream fos;

              byte[] buf = new byte[1024];
              for(Enumeration em = zf.getEntries(); em.hasMoreElements();){
                   ZipEntry ze = (ZipEntry) em.nextElement();
                   if(ze.isDirectory())
                   {
                       continue;
                   }
                   DataInputStream dis = new DataInputStream(zf.getInputStream(ze) );
                   String currentFileName = ze.getName();
                   int dex = currentFileName.lastIndexOf('/');
                   String currentoutFilePath = outFilePath;
                   if(dex > 0)
                   {
                        currentoutFilePath += currentFileName.substring(0,dex)+File.separator;
                        File currentFileDir = new File(currentoutFilePath);
                        currentFileDir.mkdirs();
                   }
                   fos = new FileOutputStream(outFilePath + ze.getName ( ));
                   int readLen = 0;
                   while((readLen = dis.read(buf,0,1024)) > 0 )
                   {
                    fos.write(buf , 0 ,readLen);
                   }
                   dis.close();
                   fos.close();
               }
               flag = true;
             }catch(Exception e){
                 e.printStackTrace();
             }
             return flag;
        }

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• 2007-06-06 10:43
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3 楼 zuomingmin 2010-04-27  

  

2 楼 lyp0206 2008-06-06  

1 楼 laserdance 2008-01-28  

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