public partial class SapSyn : ServiceBase
 {
 System.Timers.Timer timer1; //计时器
 System.Timers.Timer timer2; //计时器
 System.Timers.Timer timer3; //计时器
 System.Timers.Timer timer4; //计时器
 public SapSyn()
 {
  InitializeComponent();
 }

 protected override void OnStart(string[] args)
 {
  
  timer1 = new System.Timers.Timer();
  timer1.Interval = 8000; //设置计时器事件间隔执行时间
  timer1.Elapsed += new System.Timers.ElapsedEventHandler(TMStart1_Elapsed);
  timer1.Enabled = true;

  timer2 = new System.Timers.Timer();
  timer2.Interval = 8000; //设置计时器事件间隔执行时间
  timer2.Elapsed += new System.Timers.ElapsedEventHandler(TMStart2_Elapsed);
  timer2.Enabled = true;

  timer3 = new System.Timers.Timer();
  timer3.Interval = 8000; //设置计时器事件间隔执行时间
  timer3.Elapsed += new System.Timers.ElapsedEventHandler(TMStart3_Elapsed);
  timer3.Enabled = true;

  timer4 = new System.Timers.Timer();
  timer4.Interval = 8000; //设置计时器事件间隔执行时间
  timer4.Elapsed += new System.Timers.ElapsedEventHandler(TMStart4_Elapsed);
  timer4.Enabled = true;

 }
 
 protected override void OnStop() //服务停止执行
 {
  using (System.IO.StreamWriter sw = new System.IO.StreamWriter("C:\\log.txt", true))
  {
  sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ") + "Stop.");
  }
  this.timer1.Enabled = false;
  this.timer2.Enabled = false;
  this.timer3.Enabled = false;  
  this.timer4.Enabled = false;
 }


 protected override void OnPause()
 {
  //服务暂停执行代码
  base.OnPause();
 }
 protected override void OnContinue()
 {
  //服务恢复执行代码
  base.OnContinue();
 }
 protected override void OnShutdown()
 {
  //系统即将关闭执行代码
  base.OnShutdown();
 }

 
 private void TMStart1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 { 
  //执行SQL语句或其他操作
  using (System.IO.StreamWriter sw = new System.IO.StreamWriter("C:\\" + 1 + "log.txt", true))
  {
  sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ") + "Start.");
  }
 }
 private void TMStart2_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 { 
  //执行SQL语句或其他操作
  using (System.IO.StreamWriter sw = new System.IO.StreamWriter("C:\\" + 2 + "log.txt", true))
  {
  sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ") + "Start.");
  }
 }
 private void TMStart3_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 { 
  //执行SQL语句或其他操作
  using (System.IO.StreamWriter sw = new System.IO.StreamWriter("C:\\" + 3 + "log.txt", true))
  {
  sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ") + "Start.");
  }
 }

 private void TMStart4_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 { 
  //执行SQL语句或其他操作
  using (System.IO.StreamWriter sw = new System.IO.StreamWriter("C:\\" + 4 + "log.txt", true))
  {
  sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ") + "Start.");
  }
 }



 }

[RunInstaller(true)]
 public partial class ProjectInstaller : System.Configuration.Install.Installer
 { 
 public ProjectInstaller()
 {
  InitializeComponent();
  this.Committed += new InstallEventHandler(ProjectInstaller_Committed);
 }
 private void ProjectInstaller_Committed(object sender, InstallEventArgs e)
 {
  //参数为服务的名字
  System.ServiceProcess.ServiceController controller = new System.ServiceProcess.ServiceController("ServiceSapSyn");
  controller.Start();
 }
 private void serviceInstaller1_AfterInstall(object sender, InstallEventArgs e)
 {

 }
 }