18. 使用@SpringBootApplication注解

很多Spring Boot开发者总是使用@Configuration@EnableAutoConfiguration@ComponentScan注解他们的main类。由于这些注解被如此频繁地一块使用(特别是你遵循以上最佳实践时),Spring Boot提供一个方便的@SpringBootApplication选择。

@SpringBootApplication注解等价于以默认属性使用@Configuration@EnableAutoConfiguration@ComponentScan

package com.example.myproject;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication // same as @Configuration @EnableAutoConfiguration @ComponentScan
public class Application {

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

}