岩哥带你飞——Spring 学习1&重要组件

------------------------------------------------------------------------------

准备工作：1、创建一个web 项目

2、创建一个Servelt (这里采用注解开发)（Servlet开发方式 xml 注解 Java ）

3、创建一个jsp

________________________________

package com.bw;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 *    不过滤jsp

 *

 *

 * font   设计模式，前端设计模式

 * @author Allen17805272076

 *

 */

@WebServlet("/")

public class DispatchServlet extends HttpServlet{

    /**

     *

     */

    private static final long serialVersionUID = 8819789068715278298L;

    @Override

    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        // TODO Auto-generated method stub

        String string = req.getParameter("control");

        System.out.println(string);

        if(string.equals("demo1")) {

            System.out.println("demol被调用");

        }

        if(string.equals("demo2")) {

            System.out.println("demo2被调用");

        }

        if(string.equals("demo3")) {

            System.out.println("demo3被调用");

        }

        if(string.equals("demo4")) {

            System.out.println("demo4被调用");

        }

    System.out.println("执行控制器");

    }

}

-------------------------------------------------------------------------------------------------------------------

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>Insert title here</title>

</head>

<body>

  <a href="dispatcher?control=demo1">跳转1</a>

  <a href="dispatcher?control=demo2">跳转2</a>

  <a href="dispatcher?control=demo3">跳转3</a>

  <a href="dispatcher?control=demo4">跳转4</a>

</body>

</html>

巴特西

岩哥带你飞——Spring 学习1&重要组件

最新文章

热门文章