java spring boot [email protected]编程语言

@EnableAsync //开启异步调用

package com.example.demo2122; 
import org.springframework.scheduling.annotation.Async; 
import org.springframework.scheduling.annotation.Scheduled; 
import org.springframework.stereotype.Component; 
import org.springframework.web.bind.annotation.GetMapping; 
import org.springframework.web.bind.annotation.RequestParam; 
import org.springframework.web.bind.annotation.RestController; 
import javax.annotation.Resource; 
 
import java.util.*; 
import java.util.stream.IntStream; 
 
import org.springframework.scheduling.annotation.Async; 
import org.springframework.stereotype.Service; 
 
@RestController 
@Component 
public class HelloControl { 
 
    @GetMapping("/hello") 
    public String hello(@RequestParam(value = "name", defaultValue = "World") String name) { 
        System.out.println("####IndexController####   1"); 
        this.sendSms(); 
        System.out.println("####IndexController####   3"); 
        return "success"; 
    } 
 
 
 
    @Async 
    public void sendSms(){ 
        Timer timer = new Timer(); 
        timer.schedule(new RemindTask(), 3*1000); 
    } 
 
} 
class RemindTask extends TimerTask { 
    public void run() { 
        System.out.println("3秒后执行sendSms"); 
 
    } 
}