%SystemRoot%\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe %~dp0MyFirstWindowsService.exe
Net Start MyFirstService
sc config MyFirstService start=auto
pause

%SystemRoot%\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /u %~dp0MyFirstWindowsService.exe
pause

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
using System.IO;
using System.Configuration;

namespace WindowsService2
{
    public partial class Service1 : ServiceBase
    {
        public Service1()
        {
            InitializeComponent();
        }
        //創(chuàng)建定時器
        public System.Timers.Timer ServiceTimer;
        //從App.config中取值 這里我的日志文件位置在F:\log.txt 這里可以自行設置
        public string filePath = ConfigurationManager.AppSettings["FilePath"];
        //主要功能代碼在這里寫
        protected override void OnStart(string[] args)
        {
            //日志記錄方法
            WriteLog(filePath, "啟動服務。");
            InitTimer();//初始化的定時器
        }

        protected override void OnStop()
        {
            //停止服務
            WriteLog(filePath , "停止服務。");
        }

        public void InitTimer()
        {
            //設置定時器兩秒執(zhí)行一次
            ServiceTimer = new System.Timers.Timer(2000);
            //執(zhí)行的操作為Excute
            ServiceTimer.Elapsed += Excute; 
            //是否重復執(zhí)行
            ServiceTimer.AutoReset = true;
            //是否執(zhí)行Elapsed中的事件
            ServiceTimer.Enabled = true;
        }

        public void Excute(Object o , System.Timers.ElapsedEventArgs e)
        {
            //判斷是否執(zhí)行
            if (!File.Exists(filePath))
            {
                //不存再則創(chuàng)建
                File.Create(filePath);
            }
            //再這里寫入日志
            string date = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");         
            WriteLog(filePath, DateTime.Now.ToString(), "進行了操作。 日志文件路徑位于： " + filePath + " AppSetting : " + ConfigurationManager.AppSettings["FilePath"]);
        }
        //寫入日志文件
        public static void WriteLog(string path, params string[] s)
        {
            //創(chuàng)建輸入流
            System.IO.StreamWriter writer = null;
            try
            {
                writer = new System.IO.StreamWriter(path, true);
                StringBuilder sb = new StringBuilder("");
                for (int i = 0; i < s.Length; i++)
                {
                    sb.Append(" ");
                    sb.Append(s[i]);
                }
                writer.WriteLine(sb.ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            finally
            {
                //關閉流 釋放資源
                if (writer != null)
                {
                    writer.Close();
                    writer.Dispose();
                }
            }
        }
    }
}