添加项目文件。

src/BRS.Common.Model/Helper/TimeOutHelper.cs

@@ -0,0 +1,72 @@
+using System.Threading;
+
+namespace BRS.Common.Model.Helper
+{
+    public delegate void OnTimeoutDelegate();
+    public class TimeOutHelper
+    {
+        private const int TIMEINTERVAL = 1000;
+        private bool isPause = false;
+        int timeTick = 0;
+
+        public event OnTimeoutDelegate OnTimeout;
+
+        public Timer MonitorTimer { get; set; }
+
+        /// <summary>
+        /// 超时最大时间，以秒为单位
+        /// </summary>
+        public int MaxLimit { get; set; } = 250;
+
+        public TimeOutHelper()
+        {
+            InitialTimer();
+        }
+
+        private void InitialTimer()
+        {
+            MonitorTimer = new Timer(new TimerCallback(OnTimeTick), null, Timeout.Infinite, TIMEINTERVAL);
+        }
+
+        private void OnTimeTick(object state)
+        {
+            if (!isPause)
+            {
+                timeTick++;
+            }
+
+            if (timeTick >= MaxLimit)
+            {
+                OnTimeout?.Invoke();
+                Stop();
+            }
+        }
+
+        public TimeOutHelper(int limit)
+        {
+            MaxLimit = limit;
+            InitialTimer();
+        }
+
+        public void Start()
+        {
+            timeTick = 0;
+            MonitorTimer.Change(0, TIMEINTERVAL);
+        }
+
+        public void Pause()
+        {
+            isPause = true;
+        }
+
+        public void Resume()
+        {
+            isPause = false;
+        }
+
+        public void Stop()
+        {
+            MonitorTimer.Change(Timeout.Infinite, Timeout.Infinite);
+        }
+    }
+}