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C#制作Windows service服务系列三

 昵称8453445 2012-01-02

C#制作Windows service服务系列三--制作可控制界面的windows服务(windows service)

  本文将重点介绍下如何通过界面控制肉眼看不到的windows service。其实主要用到的类是:

  ServiceController ,可以看官方 的说明,如果急于看到结果,请直接往下看。

  准备工作:假定我们已经做好一个wondows service,并且已经部署,服务名为pingServiceDemo,

  图片看不清楚?请点击这里查看原图(大图)。

  下面我们制作一个可控制的界面来操作这个windows service

  开始:

  第一步:新建一个winform项目,名为 CtrlPingService,添加System.ServiceProcess.dll的引用。

  第二步:定义变量,添加按钮事件,主要代码如下:  

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        private System.Windows.Forms.Button btnStart;
        private System.Windows.Forms.Button btnStop;
        private System.Windows.Forms.Button btnExit;
        private System.ServiceProcess.ServiceController sController;
        private Label lbInfo;
        private Button ftnPause;
        private Button btnResume;
        private Label lbServiceName;
        private TextBox txtServerName;
        private Button btnServiceState;
        private string serverName;
 
Ecents#region Ecents
        private void frmMain_Load(object sender, EventArgs e)
        {
            if (serverName == null) { serverName = txtServerName.Text.Trim(); }
            lbInfo.Text = "当前服务状态是:" + getStateForService(serverName);
        }
        private void btnServiceState_Click(object sender, EventArgs e)
        {
            lbInfo.Text = "当前服务状态是:" + getStateForService(serverName);
        }
        private void btnStart_Click(object sender, System.EventArgs e)
        {
            runService(serverName);
        }
        private void btnStop_Click(object sender, System.EventArgs e)
        {
            killService(serverName);
        }
        private void ftnPause_Click(object sender, EventArgs e)
        {
            pauseService(serverName);
        }
        private void btnResume_Click(object sender, EventArgs e)
        {
            resumeService(serverName);
        }
        private void btnExit_Click(object sender, System.EventArgs e)
        {
            this.Close();
            Application.Exit();
        }
        #endregion

  第三步:添加用到的方法,代码如下:   

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 Methods#region Methods
        private void runService(string servername)
        {
            ServiceController sc = new ServiceController(servername);
            ServiceControllerStatus st = sc.Status;
            switch (st)
            {
                case ServiceControllerStatus.StopPending:
                case ServiceControllerStatus.Stopped:
                    sc.Start();
                    break;
                default: break;
            }
            sc.WaitForStatus(ServiceControllerStatus.Running);
            st = sc.Status;//再次获取服务状态
            if (st == ServiceControllerStatus.Running)
            {
                lbInfo.Text = "服务  " + sc.ServiceName + "  已经启动!";
            }
        }
        private void killService(string servername)
        {
            ServiceController sc = new ServiceController(servername);
            ServiceControllerStatus st = sc.Status;
            switch (st)
            {
                case ServiceControllerStatus.Running:
                case ServiceControllerStatus.StartPending:
                case ServiceControllerStatus.Paused:
                case ServiceControllerStatus.PausePending:
                case ServiceControllerStatus.ContinuePending:
                    sc.Stop();
                    sc.WaitForStatus(ServiceControllerStatus.Stopped);
                    break;
            }
            st = sc.Status;//再次获取服务状态
            if (st == ServiceControllerStatus.Stopped)
            {
                lbInfo.Text = "服务 " + sc.ServiceName + "  已经停止!";
            }
        }
        private void pauseService(string servername)
        {
            ServiceController sc = new ServiceController(servername);
            ServiceControllerStatus st = sc.Status;
            switch (st)
            {
                case ServiceControllerStatus.Running:
                case ServiceControllerStatus.StartPending:
                    sc.Pause();
                    sc.WaitForStatus(ServiceControllerStatus.Paused);
                    break;
            }
            st = sc.Status;//再次获取服务状态
            if (st == ServiceControllerStatus.Paused)
            {
                lbInfo.Text = "服务 " + sc.ServiceName + "  已经暂停!";
            }
        }
        private void resumeService(string servername)
        {
            ServiceController sc = new ServiceController(servername);
            ServiceControllerStatus st = sc.Status;
            switch (st)
            {
                case ServiceControllerStatus.Paused:
                case ServiceControllerStatus.PausePending:
                    sc.Continue();
                    sc.WaitForStatus(ServiceControllerStatus.Running);
                    break;
            }
            st = sc.Status;//再次获取服务状态
            if (st == ServiceControllerStatus.Running)
            {
                lbInfo.Text = "服务 " + sc.ServiceName + "  已经继续!";
            }
        }
        private string getStateForService(string servername)
        {
            ServiceController sc = new ServiceController(servername);
            ServiceControllerStatus st = sc.Status;
            return sc.Status.ToString();
        }
        #endregion

  OK! 最后欣赏下我们的成果:

  图片看不清楚?请点击这里查看原图(大图)。

  邀月总结:其实WCF完全可以做到这些。这里只是作了一个简单演示。稍后可能会写WCF系列学习心得。呵呵

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