SpringBoot helloworld

1. 构建工程

a. 地址：http://start.spring.io/

b. 填写Group、Artifact

c. 生成工程、下载、解压

2. 项目结构

3. 添加controller内容

package com.jihite.helloworld.controller;

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

@RestController
public class HelloController {
    @RequestMapping("/hello")
    public String index() {
        return "Hello World~";
    }
}

4. pom.xml

<dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
</dependencies>

5. 运行main函数

请求：http://localhost:8080/hello

返回：Hello World~