狂神说SpringBoot笔记之编写一个http接口

编写一个http接口

1、1、在主程序的同级目录下，新建一个controller包，一定要在同级目录下，否则识别不到

 

2、代码

package com.example.app01.demo.api;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {
    @RequestMapping("/")
    public String index() {
        return "Greetings from Spring Boot!";
    }
    @RequestMapping("/hello")
    public String hello(){
        return "hello world.";
    }
    @GetMapping("/greeting")
    public String greeting( ) {

        return "greeting";
    }
}

3、运行

 

4、效果