public static void main(String[] args) {
        try {
//            testZip("c:\\temp.txt", "c:\\temp4.zip");
//            testZip("c:\\Result.txt", "c:\\temp4.zip");  //不然會被一個檔案覆蓋了.
            
            //壓縮多個檔案的關鍵: ZipOutputStream out 作為引數傳遞.
            //一個流,否則存在覆蓋的問題,即每次會new一個,所以外接.
            ZipOutputStream zos = null
 
;
             zos = new ZipOutputStream(new FileOutputStream("c:\\temp5.zip"));
             
            testZip("c:\\temp.txt",zos);
            testZip("c:\\Result.txt",zos);
            
            //外接
            zos.closeEntry();
            zos.close();
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

 
/**
     * 重複壓縮檔案
     * @param zipEntryName  // 去掉String zipEntryName,
     * @param filePath
     * @param zipPath
     * @throws Exception
     */
    public static void testZip(String filePath,ZipOutputStream zos) throws Exception{
        
        //壓縮包
                /*ZipOutputStream zos = null;*/
                
//
 
                BufferedOutputStream bos = null;
//                File zipFile = new File(zipPath);
//                if(zipFile.exists()==false){
                /* zos = new ZipOutputStream(new FileOutputStream(zipPath));*/
                 
//                 bos = new BufferedOutputStream(zos);   //Buffer...
//                }else{
//                    
//                }
                 
                 
        File f = new File(filePath);
        
        // //create zip
        FileInputStream fis = new FileInputStream(f);
//        BufferedInputStream bis = new BufferedInputStream(fis);
    
        
        
        // set the file name in the .zip file
//        zos.putNextEntry(new ZipEntry(zipEntryName));
         zos.putNextEntry(new ZipEntry(f.getName()));
        // set the declear
        zos.setComment("by zip test!");

//        byte[] b = new byte[1024];
//        while (true) {
//            int len = bis.read(b);
//            if (len == -1)
//                break;
//            bos.write(b, 0, len);
//            System.out.println(new String(b, 0, len));
//        }
//        bos.flush();  //這一行重要,否則txt是空白檔案.
        
        byte[] buffer = new byte[1024];
         int len = 0 ;
         // 讀取檔案的內容,打包到zip檔案    
         while ((len = fis.read(buffer)) > 0) {
             zos.write(buffer, 0, len);
         }
         
        fis.close();
        /*zos.closeEntry();
        zos.close();*/
    }