spring boot 极简案例

 

安装idea

File -> New Project

 

 

 选择依赖

 

 

 

创建controller文件

 

 

 

输入controller类名

 

输入代码

 

 运行项目

 

 访问

localhost:8080/hello/boot

 

 

 

 

 

 

package com.example.demo;

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

@RestController
@RequestMapping("/hello")
public class HelloController {
    @RequestMapping("/boot")
    public String helloBoot() {
        return "Hello Spring Boot hha";
    }

}