spring的main⽅法启动在main⽅法内调⽤SpringApplication.run。
⽰例：
HelloService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@SpringBootApplication
public class UseMyStarterApplication {
spring framework面试题@Autowired
private HelloService helloService;
@RequestMapping("/")
public String index(){
return helloService.sayHello();
}
public static void main(String[] args) {
SpringApplication.run(UseMyStarterApplication.class, args);
}
}

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