在ASP.NET应用程序里执行定时器(Timer),运行于服务器端
在WEB应用程序里执行定时器(Timer),运行于服务器端
我们可以在 ASP.NET 中使用计时器(Timer)完成一些定时动作。这一点可能会对我们的一些 Web 程序有益。
如定时生成表态列表、在线人数、最新主题贴,等等。。。很方便
.NET Framework v1.1
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using System.Timers;
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protected void Application_Start(Object sender, EventArgs e)
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{
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System.Timers.Timer timer = new System.Timers.Timer(1000);
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//AutoReset 属性为 true 时,每隔指定时间循环一次;
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//如果为 false,则只执行一次。
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timer.AutoReset = true;
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timer.Enabled = true;
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timer.Elapsed += new System.Timers.ElapsedEventHandler(this.setTime);
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Application.Lock();
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Application["time"] = DateTime.Now.ToString();
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Application.UnLock();
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}
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public void setTime(Object sender, ElapsedEventArgs e)
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{
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Application.Lock();
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Application["time"] = DateTime.Now.ToString();
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Application.UnLock();
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}
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例子中只是很简单的更新 Appcation["time"] 值而已,还可以实现更多更好的功能。