摘要：### 1.计时器类Stopwatch ``` Stopwatch stopwatch=new Stopwatch() stopwatch.Start();//开始计时 stopwatch.Stop();//停止计时 stopwatch.Reset();//重置计时时间 stopwatch.Rest 阅读全文

摘要：任务超时取消 示例 public static async Task TimeoutCancelTask() { CancellationTokenSource cts = new CancellationTokenSource();//取消令牌 Task task = DoAction(cts); 阅读全文