SpringMVC 无法进入Controller方法

Question

问题描述

1. 在学习springmvc时，发现可以访问web/*.jsp目录下的jsp文件
2. 但是却不能访问web/WEB-INF/views/*.jsp 目录下的jsp文件
3. 后来发现其实根本没有执行Controller 方法，Controller 方法中的测试语句无法输出。

相关代码

1. web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-config.xml</param-value>
        </init-param>

        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>

2. springmvc-config.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: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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <mvc:annotation-driven/>

    <context:component-scan base-package="edu.ujn.controller"/>

    <mvc:default-servlet-handler/>

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

</beans>

3. HelloController.java

package edu.ujn.controller;

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

@Controller("/web")
public class HelloController {
    @RequestMapping(value = "/first")
    public String handleRequest() {
        System.out.println("handleRequest============");
        return "forward:first";
    }

}

Tomcat配置

项目目录

浏览器中输入的访问链接

1. http://localhost:8080/ch11/index.jsp 访问成功
2. http://localhost:8080/ch11/first 访问失败

小白求教

Answer 1

如上图，将编译后的class放到WEB-INF下面的classes里面，再重启tomcat，你试试