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package com.imooc.springmvc.controller;

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

@Controller
public class URLMappingController {
    @GetMapping("/g")
    @ResponseBody
    public String getMapping() {
        return "this is get method";
    }
    @GetMapping("/p")
    public String postMapping() {
        return "this is post method";
    }
}

相关代码：

相关代码：<?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_3_1.xsd"
         version="3.1">相关截图：
    <!--DispatchServlet-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <!--DispatchServlet是Spring MVC最核心的对象
        DispatchServlet用于拦截Http请求
        并根据请求的URL调用与之对应的Controller方法，来完成Http请求处理-->
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--applicationContext.xml-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <!--在Web应用启动时自动创建Spring IOC容器
        并初始化DispatchServlet-->
        <load-on-startup>0</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <!--"/" 代表拦截所有请求-->
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

相关代码：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.imooc</groupId>
    <artifactId>first-springmvc</artifactId>
    <version>1.0-SNAPSHOT</version>
    <repositories>
        <repository>
            <id>aliyun</id>
            <name>aliyun</name>
            <url>https://maven.aliyun.com/repository/public</url>
        </repository>
    </repositories>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.1.9.RELEASE</version>
        </dependency>
    </dependencies>
</project>

相关截图：