添加项目文件。

JinYuan.Helper/TimedOperation.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Diagnostics;
+using System.Threading;
+
+namespace JinYuan.Helper
+{
+    /// <summary>
+    /// 操作计时功能
+    /// </summary>
+    public class TimedOperation : IDisposable
+    {
+        private readonly Stopwatch _stopwatch;
+        private readonly string _operationName;
+        private readonly Action<long, string> _onCompleted;
+        private bool _disposed = false;
+
+        public TimedOperation(string operationName, Action<long, string> onCompleted = null)
+        {
+            _stopwatch = Stopwatch.StartNew();
+            _operationName = operationName;
+            _onCompleted = onCompleted;
+        }
+
+        public long ElapsedMilliseconds => _stopwatch.ElapsedMilliseconds;
+
+        public void Dispose()
+        {
+            if (!_disposed)
+            {
+                _stopwatch.Stop();
+                _onCompleted?.Invoke(_stopwatch.ElapsedMilliseconds, _operationName);
+                _disposed = true;
+            }
+        }
+    }
+}