springmvc执行流程_springmvc执行流程

springmvc执行流程原理:

入门案例:

web.xml:

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

version="2.5">

Archetype Created Web Application

dispatcherServlet

org.springframework.web.servlet.DispatcherServlet

contextConfigLocation

classpath:springmvc.xml

1

dispatcherServlet

/

springmvc.xml:

xmlns:mvc="http://www.springframework.org/schema/mvc"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="

http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/mvc

http://www.springframework.org/schema/mvc/spring-mvc.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd">

index.jsp:

Created by IntelliJ IDEA.

User: Administrator

Date: 2018/4/29

Time: 0:53

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Title

入门程序

入门程序

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RequestMapping注解

HelloController类:

package cn.itcast.controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

// 控制器类

@Controller

@RequestMapping(path="/user")

public class HelloController {

@RequestMapping(path="/hello")

public String sayHello(){

System.out.println("Hello StringMVC");

return "success";

}

@RequestMapping(value="/testRequestMapping