springboot多线程异步调用

在方法上添加@Async注解,在启动类添加@EnableAsync注解

controller

@RequestMapping("sync")
	public void fun1() {
		System.out.println("1");
		service.fun1();
		System.out.println("4");
	}

service 


	@Async
	public void fun1() {
		// TODO Auto-generated method stub
		System.out.println("2");
		for (int i = 0; i < 5; i++) {
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			System.out.println("#######"+i);
		};
		System.out.println("3");
		
	}

不加的话是正常顺序1234,

加了是主线程先执行完1423,也可能是1243吧

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转载自blog.csdn.net/qq_41890624/article/details/100657278