//Timer不要声明成局部变量,否则会被GC回收
private static System.Timers.Timer aTimer;
public static void Main()
{
//实例化Timer类,设置间隔时间为10000毫秒;
aTimer = new System.Timers.Timer(10000);
//注册计时器的事件
aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
//设置时间间隔为2秒(2000毫秒),覆盖构造函数设置的间隔
aTimer.Interval = 2000;
//设置是执行一次(false)还是一直执行(true),默认为true
aTimer.AutoReset = true;
//开始计时
aTimer.Enabled = true;
Console.WriteLine("按任意键退出程序。");
Console.ReadLine();
}
//指定Timer触发的事件
private static void OnTimedEvent(object source, ElapsedEventArgs e)
{
Console.WriteLine("触发的事件发生在: {0}", e.SignalTime);
}
/* 按任意键退出程序。 触发的事件发生在: 2014/12/26 星期五 23:08:51 触发的事件发生在: 2014/12/26 星期五 23:08:53 触发的事件发生在: 2014/12/26 星期五 23:08:55 触发的事件发生在: 2014/12/26 星期五 23:08:57 触发的事件发生在: 2014/12/26 星期五 23:08:59 */
//用来造成线程同步问题的静态成员
private static int outPut = 1;
//次数,timer没调一次方法自增1
private static int num = 0;
private static System.Timers.Timer timer = new System.Timers.Timer();
public static void Main()
{
timer.Interval = 1000;
timer.Elapsed += TimersTimerHandler;
timer.Start();
Console.WriteLine("按任意键退出程序。");
Console.ReadLine();
}
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender, EventArgs args)
{
int t = ++num;
Console.WriteLine(string.Format("线程{0}输出:{1}, 输出时间:{2}", t, outPut.ToString(),DateTime.Now));
System.Threading.Thread.Sleep(2000);
outPut++;
Console.WriteLine(string.Format("线程{0}自增1后输出:{1},输出时间:{2}", t, outPut.ToString(),DateTime.Now));
}
private static object locko = new object();
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender, EventArgs args)
{
int t = ++num;
lock (locko)
{ Console.WriteLine(string.Format("线程{0}输出:{1}, 输出时间:{2}", t, outPut.ToString(), DateTime.Now)); System.Threading.Thread.Sleep(2000); outPut++; Console.WriteLine(string.Format("线程{0}自增1后输出:{1},输出时间:{2}", t, outPut.ToString(), DateTime.Now)); } }
private static int inTimer = 0;
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender, EventArgs args)
{
int t = ++num;
if (inTimer == 0)
{
inTimer = 1;
Console.WriteLine(string.Format("线程{0}输出:{1}, 输出时间:{2}", t, outPut.ToString(), DateTime.Now));
System.Threading.Thread.Sleep(2000);
outPut++;
Console.WriteLine(string.Format("线程{0}自增1后输出:{1},输出时间:{2}", t, outPut.ToString(), DateTime.Now));
inTimer = 0;
}
}
private static int inTimer = 0;
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender, EventArgs args)
{
int t = ++num;
if (Interlocked.Exchange(ref inTimer, 1) == 0)
{
Console.WriteLine(string.Format("线程{0}输出:{1}, 输出时间:{2}", t, outPut.ToString(), DateTime.Now));
System.Threading.Thread.Sleep(2000);
outPut++;
Console.WriteLine(string.Format("线程{0}自增1后输出:{1},输出时间:{2}", t, outPut.ToString(), DateTime.Now));
Interlocked.Exchange(ref inTimer, 0);
}
}
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