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cellspacing="1" cellpadding="1" bgcolor="#000000"><tr bgcolor="#FFFFFF"><td width="100%" colspan="4" align="left"><table width="95%" align="center"><tr><td class="font1"><p align="center"><br><font size="3">Delphi 编写Windows NT服务</font><br><span class="nava"><font color="#CC9933">2000-07-28· -·逸仙时空</font></span></p> <p>Delphi 编写Windows NT服务 <br></p><p>1．产生一个Win32服务应用 <br> <br> 产生一个Win32服务应用，选择File|New菜单，在New Items页中选择Service Application。这样在你的工程里加入一个全局变量命名的应用，它是 TserviceApplication类型。每个服务工程自动的声明一个TServiceApplication 实例，并不需要直接的对它编程。另外自动产生一个TService对象。 <br> 当你产生一个服务应用，你会在设计环境中看到一个窗口，它对应了一个服务 (Tservice)。在Object Inspector中设置它的属性和事件以实现它。在你的服务应用中可以加入其他的服务。不要将Service加入在一个非Service Application中。当加入一个TService对象时，因为服务，应用将不产生事件请求和使用合适的窗口调用。 <br> <br> <br> <br> 2．TServiceApplication <br> <br> TServiceApplication封装了windows NT Service Application。它提供服务应用的基本行为框架。它包含TService对象，每个Tservice封装了一个NT服务。 服务应用提供服务产生、安装、注册、分发和卸载的方法。 <br> <br> <br> <br> 注意，不要在工程的uses列表中加入Forms或HtppApp，因为这些单元有些 <br> <br> Aplication变量有冲突。 <br> <br> <br> <br> 3．TService <br> <br> 每个Tservice都有一个线程。 <br> <br> 特性 <br> <br> AllowPause <br> <br> AllowStop <br> <br> Dependencies <br> <br> DisplayName <br> <br> ErrCode <br> <br> ErrorSeverity <br> <br> Interactive <br> <br> LoadGroup <br> <br> Param <br> <br> ParamCount <br> <br> Password <br> <br> ServiceStartName <br> <br> ServiceThread <br> <br> <br> <br> ServiceType <br> <br> StartType <br> <br> Status <br> <br> TagID <br> <br> Terminated <br> <br> WaitHint <br> <br> Win32ErrCode <br> <br> <br> <br> 方法： <br> <br> Create <br> <br> Destroy <br> <br> GetServiceController <br> <br> LogMessage <br> <br> ReportStatus <br> <br> <br> <br> 事件 <br> <br> AfterInstall <br> <br> AfterUninstall <br> <br> BeforeInstall <br> <br> BeforeUninstall <br> <br> OnContinue <br> <br> OnExecute <br> <br> OnPause <br> <br> OnShutdown <br> <br> OnStart <br> <br> OnStop <br> <br> <br> <br> 4．样例 <br> 例子使用一个TserverSocket，端口设为80，这个例子将在c:\temp目录下产生一个文本文件，名字为WebLogxxx.log(xxx是线程IDThreadID)。看运行结果：启动程序，打开一个Web浏览器，键入localhost，等待浏览器将超时，然后在c:\temp中将有一个Weblogxxx.log文件。 <br> <br> interface <br> <br> uses <br> <br> <br> <br> Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, <br> <br> ScktComp; <br> <br> <br> <br> type <br> <br> <br> <br> TService1 = class(TService) <br> <br> ServerSocket1: TServerSocket; <br> <br> procedure ServerSocket1ClientRead(Sender: TObject; <br> <br> Socket: TCustomWinSocket); <br> <br> procedure Service1Execute(Sender: TService); <br> <br> private <br> <br> { Private declarations } <br> <br> Stream: TMemoryStream; <br> <br>⌨️ 快捷键说明
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