林臨的地盤(pán)

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.jazzlib.ZipEntry;
import net.sf.jazzlib.ZipOutputStream;

public class BatchDownload extends HttpServlet {

 public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  response.setContentType("APPLICATION/OCTET-STREAM");
  response.setHeader("Content-Disposition","attachment; filename="+this.getZipFilename());
  System.out.println("in BatchDownload................");
  ZipOutputStream zos = new ZipOutputStream(response.getOutputStream());  
     File[] files = new File[2];
     files[0]=new File("c:/zip/文件A.doc");
     files[1]=new File("c:/zip/文件B.doc");
     zipFile(files, "", zos);  
     zos.flush();  
     zos.close();  

 }
 private void zipFile(File[] subs, String baseName, ZipOutputStream zos) throws IOException {    
      for (int i=0;i<subs.length;i++) {
       File f=subs[i];
       zos.putNextEntry(new ZipEntry(baseName + f.getName()));  
       FileInputStream fis = new FileInputStream(f);  
       byte[] buffer = new byte[1024];  
       int r = 0;  
       while ((r = fis.read(buffer)) != -1) {  
           zos.write(buffer, 0, r);  
       }  
       fis.close();
      }
 }
 private String getZipFilename(){
  Date date=new Date();
  String s=date.getTime()+".zip";
  return s;
 }