<!--1.指定依赖都由springboot管理-->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.2.RELEASE</version>
    </parent>
    <!--  。。。 -->
    
<dependencies>
    <!--2.添加需要用到的依赖-->
    <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter</artifactId>
    </dependency>
</dependencies>

@SpringBootApplication
public class MyApplication {
    public static void main(String[] args) {
        SpringApplication app = new SpringApplication(MyApplication.class);
        app.run(args);
    }
}