springBoot---ComponentScan扫包

1.先新增一个接口类

package demo.controller;


import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;


@Controller
@EnableAutoConfiguration

public class springHello {
    @RequestMapping("/getUser")
    @ResponseBody
    String home() {
        return "Hello World!  我是一个大帅哥,我是大飞哥";
    }
}

2.新增扫包范围

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@EnableAutoConfiguration //开启自动配置
@ComponentScan("demo.controller")
public class DemoApplication {

    @RequestMapping("/getName")
    String home() {
        return "Hello World!  我是一个大帅哥";
    }

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }
}

3.实际结果