springmvc可以访问静态资源,但是访问不到controller

项目跑起来了,但就是访问不了controller,控制台也没有报错

这是web.xml文件

<?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-servlet.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

springmvc-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: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">
    <context:component-scan base-package="controller">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <mvc:default-servlet-handler></mvc:default-servlet-handler>
    <mvc:annotation-driven />


    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/jsp/" />
        <!-- 后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>
</beans>

MyController

package controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MyController {
    @ResponseBody
    @GetMapping("/hello")
    public String hello(){
        return "lll";
    }

}

项目结构

img

访问404

img

静态资源访问

img

修改如下:

@Controller("/")
public class MyController {
    @GetMapping("/hello")
    public String hello(){
        return "hello";
    }
 
}

通常情况下tomcat默认是禁止访问WEB_INF目录的,因为他是存放配置文件的,比如存放jar包,存放web.xml是不允许外界访问的
你应该将jsp放到web的根目录下,如果jsp文件过多,你就再web目录下创建几个自定义文件夹存放jsp文件即可


你直接访问8080端口,应该不是404吧?你访问web根目录下的文件也不是404吧?虽然出现乱码,但是可以访问,乱码的原因就是你的文件编码和tomcat的编码不一致才导致的,所以你应该将WEB_INF下的jsp文件夹放到web根目录下

img

<context:component-scan base-package="controller"> 这个配置为你controller包的全路径