使用C#创建Windows服务

using System;
using System.ServiceProcess;
using System.IO;

namespace MyWindowsService
{
    public partial class MyService : ServiceBase
    {
        public MyService()
        {
            InitializeComponent();
        }

        string filePath = @"D:\MyServiceLog.txt";

        protected override void OnStart(string[] args)
        {
            using (FileStream stream = new FileStream(filePath,FileMode.Append))
            using (StreamWriter writer = new StreamWriter(stream))
            {
                writer.WriteLine($"{DateTime.Now},服务启动！");
            }
        }

        protected override void OnStop()
        {
            using (FileStream stream = new FileStream(filePath, FileMode.Append))
            using (StreamWriter writer = new StreamWriter(stream))
            {
                writer.WriteLine($"{DateTime.Now},服务停止！");
            }
        }
    }
}

using System;
using System.Collections;
using System.Windows.Forms;
using System.ServiceProcess;
using System.Configuration.Install;

namespace WindowsServiceClient
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string serviceFilePath = $"{Application.StartupPath}\\MyWindowsService.exe";
        string serviceName = "MyService";

        //事件：安装服务
        private void button1_Click(object sender, EventArgs e)
        {
            if (this.IsServiceExisted(serviceName)) this.UninstallService(serviceName);
            this.InstallService(serviceFilePath);
        }

        //事件：启动服务
        private void button2_Click(object sender, EventArgs e)
        {
            if (this.IsServiceExisted(serviceName)) this.ServiceStart(serviceName);
        }

        //事件：停止服务
        private void button4_Click(object sender, EventArgs e)
        {
            if (this.IsServiceExisted(serviceName)) this.ServiceStop(serviceName);
        }

        //事件：卸载服务
        private void button3_Click(object sender, EventArgs e)
        {
            if (this.IsServiceExisted(serviceName))
            {
                this.ServiceStop(serviceName);
                this.UninstallService(serviceFilePath);
            }
        }

        //判断服务是否存在
        private bool IsServiceExisted(string serviceName)
        {
            ServiceController[] services = ServiceController.GetServices();
            foreach (ServiceController sc in services)
            {
                if (sc.ServiceName.ToLower() == serviceName.ToLower())
                {
                    return true;
                }
            }
            return false;
        }

        //安装服务
        private void InstallService(string serviceFilePath)
        {
            using (AssemblyInstaller installer = new AssemblyInstaller())
            {
                installer.UseNewContext = true;
                installer.Path = serviceFilePath;
                IDictionary savedState = new Hashtable();
                installer.Install(savedState);
                installer.Commit(savedState);
            }
        }

        //卸载服务
        private void UninstallService(string serviceFilePath)
        {
            using (AssemblyInstaller installer = new AssemblyInstaller())
            {
                installer.UseNewContext = true;
                installer.Path = serviceFilePath;
                installer.Uninstall(null);
            }
        }
        //启动服务
        private void ServiceStart(string serviceName)
        {
            using (ServiceController control = new ServiceController(serviceName))
            {
                if (control.Status == ServiceControllerStatus.Stopped)
                {
                    control.Start();
                }
            }
        }

        //停止服务
        private void ServiceStop(string serviceName)
        {
            using (ServiceController control = new ServiceController(serviceName))
            {
                if (control.Status == ServiceControllerStatus.Running)
                {
                    control.Stop();
                }
            }
        }
    }
}

http://pan.baidu.com/s/1kVza3Bp

using System;
using System.IO;
using System.ServiceProcess;

namespace WindowsServiceTest
{
    public partial class hjpServiceTest : ServiceBase
    {
        //定时器  
        System.Timers.Timer t = null;

        public hjpServiceTest()  
        {  
            InitializeComponent();  
  
            //启用暂停恢复  
            base.CanPauseAndContinue = true;  
  
            //每5秒执行一次  
            t = new System.Timers.Timer(5000);  
            //设置是执行一次（false）还是一直执行(true)；  
            t.AutoReset = true;  
            //是否执行System.Timers.Timer.Elapsed事件；  
            t.Enabled = true;  
            //到达时间的时候执行事件(theout方法)；  
            t.Elapsed += new System.Timers.ElapsedEventHandler(theout);   
        }  
  
        //启动服务执行  
        protected override void OnStart(string[] args)  
        {  
            string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "启动";  
            WriteLog(state);  
        }  
  
        //停止服务执行  
        protected override void OnStop()  
        {  
            string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "停止";  
            WriteLog(state);  
        }  
  
        //恢复服务执行  
        protected override void OnContinue()  
        {  
            string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "继续";  
            WriteLog(state);  
            t.Start();  
        }  
  
        //暂停服务执行  
        protected override void OnPause()  
        {  
            string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "暂停";  
            WriteLog(state);
            t.Stop();  
        }  
  
  
        public void WriteLog(string str)  
        {  
            using (StreamWriter sw = File.AppendText(@"d:\service.txt"))  
            {  
                sw.WriteLine(str);  
                sw.Flush();  
            }  
        }  
  
        public void theout(object source, System.Timers.ElapsedEventArgs e)  
        {
            WriteLog("theout:" + DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"));  
        }  
    }
}