Common/Time_TaskHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Epost.Common
+{
+    public class Time_TaskHelper
+    {
+        public event System.Timers.ElapsedEventHandler ExecuteTask;
+
+        private static readonly Time_TaskHelper _task = null;
+        private System.Timers.Timer _timer = null;
+        //定义时间
+        private int _interval = 1000;
+        public int Interval
+        {
+            set
+            {
+                _interval = value;
+            }
+            get
+            {
+                return _interval;
+            }
+        }
+
+        static Time_TaskHelper()
+        {
+            _task = new Time_TaskHelper();
+        }
+
+        public static Time_TaskHelper Instance()
+        {
+            return _task;
+        }
+
+        //开始
+        public void Start()
+        {
+            if (_timer == null)
+            {
+                _timer = new System.Timers.Timer(_interval);
+                _timer.Elapsed += new System.Timers.ElapsedEventHandler(_timer_Elapsed);
+                _timer.Enabled = true;
+                _timer.Start();
+            }
+        }
+
+        protected void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            if (null != ExecuteTask)
+            {
+                ExecuteTask(sender, e);
+            }
+        }
+
+        //停止
+        public void Stop()
+        {
+            if (_timer != null)
+            {
+                _timer.Stop();
+                _timer.Dispose();
+                _timer = null;
+            }
+        }
+
+    }
+}