代码 



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-->/// <summary>
        /// 服务启动的操作
        /// </summary>
        /// <param name="args"></param>
        protected override void OnStart(string[] args)  
        {
            StartHello();
        }

        /// <summary>
        /// 服务停止的操作
        /// </summary>
        protected override void OnStop()
        {
            try
            {
                ThreadHello.Abort();

                Flag = false;

                System.Diagnostics.Trace.Write("线程停止");
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.Write(ex.Message);
            }
        }

        private Thread ThreadHello;

        private void StartHello()
        {
            try
            {
                // 标准形式
                
                //ThreadStart NewThreadStart = new ThreadStart(VoidName);
                //Thread NewThead = new Thread(NewThreadStart);
                //NewThead.Start();

                ThreadHello = new Thread(new ThreadStart(Hello));
                ThreadHello.Start();
                System.Diagnostics.Trace.Write("线程任务开始");
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.Write(ex.Message);
                throw ex;
            }
        }

        private void Hello()
        {
            while (Flag)
            {
                localhost.AdvService la = new WindowsService1.localhost.AdvService();
                try
                {
                    string helloname = la.Hello("Andy"); // 调用远程WebService中的方法
                    writeInLog(helloname, false);   // 把调用返回的数据写入到文件中
                }
                catch (Exception ex)
                {
                    System.Diagnostics.Trace.Write(ex.Message);
                    throw ex;
                }

                Thread.Sleep(5000);
            }
        }

        /// <summary>
        /// 写入文件操作
        /// </summary>
        /// <param name="msg">写入内容</param>
        /// <param name="IsAutoDelete">是否删除</param>
        private void writeInLog(string msg, bool IsAutoDelete)
        {
            try
            {
                string logFileName = @"E:\Sample\PG_Sample\log.txt"; // 文件路径
                FileInfo fileinfo = new FileInfo(logFileName);
                if (IsAutoDelete)
                {
                    if (fileinfo.Exists && fileinfo.Length >= 1024)
                    {
                        fileinfo.Delete();
                    }
                }
                using (FileStream fs = fileinfo.OpenWrite())
                {
                    StreamWriter sw = new StreamWriter(fs);
                    sw.BaseStream.Seek(0, SeekOrigin.End);
                    sw.WriteLine("=====================================");
                    sw.Write("添加日期为:" + DateTime.Now.ToString() + "\r\n");
                    sw.Write("日志内容为:" + msg + "\r\n");
                    sw.WriteLine("=====================================");
                    sw.Flush();
                    sw.Close();
                }
            }
            catch (Exception ex)
            {
                ex.ToString();
            }
        }