package com.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.sun.mail.iap.Response;

public class HelloServlet extends HttpServlet {

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

System.out.println("处理GET请求...");

PrintWriter out = response.getWriter();

response.setContentType("text/html;charset=utf-8");

out.println("<strong>Hello Servlet</strong>");

}

@Override

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

System.out.println("处理POST请求...");

PrintWriter out = response.getWriter();

response.setContentType("text/html;charset=utf-8");

out.println("<strong>Hello Servlet</strong>");

}

}

我点击那个  a标签的连接 就直接弹出来下载文件