SpringMVC helloworld 404问题，求大佬解决

SpringMVC helloworld 404问题，求大佬解决

SpringMVC helloworld 404问题，求大佬解决

dispatcher-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 使用注解驱动 -->
<mvc:annotation-driven/>
<!-- 定义扫描装载的包 -->
<context:component-scan base-package="com.*" />
<!-- 定义视图解析器 -->
<!-- 找到Web工程/WEB-INF/JSP文件夹，且文件结尾为jsp的文件作为映射 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" />
<!-- 如果有配置数据库事务，需要开启注解事务的，需要开启这段代码 -->
 <tx:annotation-driven transaction-manager="transactionManager" />  
</beans>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
       </beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SpringMVC_20190127</display-name>
  <!-- 配置Spring IoC配置文件路径 -->
<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>
<!-- 配置ContextLoaderListener用以初始化IoC容器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 配置DispatcherServlet -->
<servlet>
<!-- Spring MVC框架会根据servlet-name 配置，找到/WEB-INF/dispatcher-servlet.xml作为配置文件载入Web工程中 -->
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 使得Dispacher在服务启动的时候就初始化 -->
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Servlet拦截配置 -->
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.do</url-pattern><!-- 配置DispatcherServlet拦截以后缀do结束的请求 -->
</servlet-mapping>
</web-app>

MyController.java

package com.ssm.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
//注解@Controller表示它是一个控制器
@Controller("myController")    
//标明当请求的URL在/my下的时候才有该控制器相应
@RequestMapping("/my")
public class MyController {
	//标明URL是/index的时候该方法才请求
	@RequestMapping("/index")
	public ModelAndView index() {
		//模型和视图
		ModelAndView mv = new ModelAndView();
		//视图逻辑名称为index
		mv.setViewName("index");
		return mv;
		
	}
}

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>Hello,Spring MVC</h1>
</body>
</html>