在晚上12点执行任务

 

 

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Diagnostics;

using System.Linq;

using System.ServiceProcess;

using System.Text;

using System.IO;

namespace WindowsService2

{

public partial class Service1 : ServiceBase

{

System.Timers.Timer timer1; //计时器

WindowTaske w = new WindowTaske();

public Service1()

{

InitializeComponent();

}

protected override void OnStart(string[] args)

{

timer1 = new System.Timers.Timer();

timer1.Interval = 3000; //设置计时器事件间隔执行时间

timer1.Elapsed += new System.Timers.ElapsedEventHandler(timer1_Elapsed);

timer1.Enabled = true;

if (!EventLog.SourceExists("OnStart222"))

{

EventLog.CreateEventSource("OnStart222", "jason");

}

EventLog.WriteEntry("OnStart222", "开始任务了");

}

protected override void OnStop()

{

this.timer1.Enabled = false;

EventLog.WriteEntry("OnStart222", "任务结束");

}

private void timer1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)

{

if (e.SignalTime.Hour == 0 && e.SignalTime.Minute == 0 && e.SignalTime.Second == 0)//晚上12点发送邮件

{

//发送邮件方法

}

}

}

}