package com.zyz;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

/**

 * Created by Administrator on 16-9-29.

 */

public class DownImgServlet extends HelloServlet {

    @Override

    public void doGet(HttpServletRequest request, HttpServletResponse response) {

        response.setHeader("Content-disposition","attachment;filename=photo.jpg");

        InputStream in=this.getServletContext().getResourceAsStream("/images/i.jpeg");

        byte buffer[]=new byte[1024];//设置缓冲区

        int len=0;

        try {

            OutputStream out=response.getOutputStream();

            while((len=in.read(buffer))>0){

            out.write(buffer,0,len);

            }

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}