1.web.xml配置。

2.Serverlet源码

　　service函数是对客户端请求的响应代码。

package com.zkzk945.Serverlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletConfig;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Serverlet extends HttpServlet {    @Override    protected void service(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException {        // TODO Auto-generated method stub        System.out.println("service");//        super.service(arg0, arg1);        //        System.out.println("hello world");        PrintWriter pw = arg1.getWriter();        pw.println("hello world");        pw.close();    }    @Override    public void destroy() {        // TODO Auto-generated method stub        System.out.println("destroy");        super.destroy();    }    @Override    public void init() throws ServletException {        // TODO Auto-generated method stub        System.out.println("init no params");        super.init();    }    @Override    public void init(ServletConfig config) throws ServletException {        // TODO Auto-generated method stub        System.out.println("init with params");        super.init(config);    }}

 3.源码

　　https://git.oschina.net/zkzk945/JavaEE.git