1、@SpringBootApplication:
Spring Boot应用标注在某个类上说明这个类是SpringBoot的主配置类,SpringBoot就应该运行这个类的main方法来启动SpringBoot应用;
@RestController
@SpringBootApplication
@RequestMapping(value = "/hello")
public class FirstApplication {
@RequestMapping(value = "/sayHello",method = RequestMethod.GET)
String sayHello() {
return "Hello Spring Boot";
}
public static void main(String[] args) {
SpringApplication.run(FirstApplication.class, args);
}
}
2、@SpringBootConfiguration:
Spring Boot的配置类,标注在某个类上,表示这是一个Spring Boot的配置类;