demo/src/main/java/com/imooc/demo/hello.java

package com.imooc.demo;

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

@RestController
public class hello {
    @RequestMapping(value = "/hello",method = RequestMethod.GET)
    public String hello(){
        return "Hello SpringBoot";
    }

}