Servlet - 一个类处理多个请求

//TestServlet.java
package com.vodka.controller;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.*;
import java.io.IOException;
import java.lang.reflect.Method;


@WebServlet(urlPatterns = {"/Query","/Control"})
public class TestServlet extends HttpServlet {
//    确保版本唯一性
    private static final long serialVersionUID = 1L;
//    Get方法的参数也交由Post方法处理
    protected void doGet(HttpServletRequest request,HttpServletResponse response){
        doPost(request,response);

    }
//    Post方法
    protected void doPost(HttpServletRequest request,HttpServletResponse response){

           String ServerPath = request.getServletPath();  //获取请求路径
           ServerPath = ServerPath.substring(1,ServerPath.length());
        Method MatchMethod = null;
           try{

//               获取当前类中名字和ServerPath相匹配的方法
                MatchMethod= this.getClass().getDeclaredMethod(ServerPath,HttpServletRequest.class, HttpServletResponse.class);
                MatchMethod.invoke(this,request,response);
           }catch (Exception e){
               e.printStackTrace();
           }
    }

    private  void Query(HttpServletRequest request,HttpServletResponse response){
        System.out.println("Function Query has been invoked!");
    }
    private  void Control(HttpServletRequest request,HttpServletResponse response){
        System.out.println("Function Control has been invoked!");
    }
}

//query.jsp
<%--
  Created by IntelliJ IDEA.
  User: 伟神
  Date: 2021/9/26
  Time: 16:53
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="v"%>


    


Query 

Control