JavaEE/HttpServlet_Hello.java at master · goder/JavaEE · GitHub

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* Servlet实现之第二种方式实现HttpServlet

package com.bj.servlet;

import java.io.PrintWriter;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class HttpServlet_Hello extends HttpServlet {

//处理get请求

//req:用于获得客户端（浏览器）的信息

//res:用于向客户段（浏览器）的信息返回

public void doGet(HttpServletRequest req,HttpServletResponse res){

//业务处理

try{

PrintWriter pw=res.getWriter();

pw.println("Hello ,HttpServlet!");

}catch(Exception ex){

ex.printStackTrace();

}

//处理post请求

//req:用于获得客户端（浏览器）的信息

//res:用于向客户段（浏览器）的信息返回

public void doPost(HttpServletRequest req,HttpServletResponse res){

this.doGet(req,res);

}