环境
- Mac
- Idea
- jdk1.8
- Maven 3.8.6
第一步
File ->New -> Project 选择 Spring Initializr
第二步
打开 src -> main -> java -> com.learn.demo 新建 controller package, 在 controller 包目录下新建 PingController
package com.learn.demo.controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class PingController {@GetMapping("/ping")
public String ping() {return "Hello World!";}
}
点击右上角启动按钮，访问 localhost:8080/ping
正文完
