java压缩应用

 

import java.util.zip.*;
import java.io.*;
class zipTest
...{
 public static void zip(ZipOutputStream out,File f,String base) throws Exception 
 ...{
  System.out.println("Ziping...........");
  if(f.isDirectory())
  ...{
   File[] file=f.listFiles();
   out.putNextEntry(new ZipEntry(base+"/"));
   base=base.length()==0?"":base+"/";
   for(int i=0;i<file.length;i++)
   ...{
    zip(out,file[i],base+file[i].getName());
   }
  }else
  ...{
   FileInputStream fis=new FileInputStream(f);
   //ZipOutputStream zip=new ZipOutputStream();
   out.putNextEntry(new ZipEntry(base));
   int b;
   while((b=fis.read())!=-1)
   ...{
    out.write(b);
   }
   fis.close();   
  }  
 }
 public static  void zip(String zipFileName,String inputFile) throws Exception
 ...{
  zip(zipFileName,new File(inputFile));
 }
 public static void zip(String zipFileName,File inputFile) throws Exception
 ...{
  ZipOutputStream out=new ZipOutputStream(new FileOutputStream(zipFileName)); 
  zip(out,inputFile,"");
  System.out.println("zip done!");
  out.close();
 }
 public static void main(String[] args) throws Exception
 ...{
  String filename="aaa.zip";
  OutputStream ops=null;
  zip(filename,"D:/workJava/upload");
 }
}