1．  建立空白项目

                       

2.添加创建windows服务需要的引用，选择System.ServiceProcess。

 　　

 

3．创建服务类，继承ServiceBase，类的源代码在后面。

4. 添加windows服务的安装类。

         （1）在类名或者解决方案中新建视图：

 

         （2）上一步后会出来类的视图，右键选择查看设计器：

 

         （3）在设计视图里面添加安装器（有可能会弹出警告框，如图，不用管）：

 

 

 

5  服务类源代码：

 1 using System;   
 2 using System.Collections.Generic;   
 3 using System.IO;   
 4 using System.Linq;   
 5 using System.Text;   
 6 using System.Threading.Tasks;   
 7 using System.Timers;   
 8   
 9 namespace SR171   
10 {   
11     class Service17: System.ServiceProcess.ServiceBase   
12     {   
13               
14         public Service17()//可以自己设定   
15         {   
16             this.ServiceName = "MyServiceForShowTime";   
17             this.CanStop = true;   
18             this.CanPauseAndContinue = true;   
19             this.AutoLog = true;  
20  
21             #region 定时器事件   
22             Timer aTimer = new Timer();       //System.Timers，不是form的   
23             aTimer.Elapsed += new ElapsedEventHandler(TimedEvent);   
24             aTimer.Interval = 2 * 1000;    //配置文件中配置的秒数   
25             aTimer.Enabled = true;  
26             #endregion   
27             }   
28         public static void Main()//必须写   
29         {   
30             System.ServiceProcess.ServiceBase.Run(new Service17());   
31         }   
32         protected override void OnStart(string[] args)//自己根据要求覆写   
33         {   
34             FileStream fs = new FileStream(@"d:\mcWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);   
35   
36             StreamWriter m_streamWriter = new StreamWriter(fs);   
37   
38             m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);   
39   
40             m_streamWriter.WriteLine("mcWindowsService: Service Started" + DateTime.Now.ToString() + "\n");   
41   
42             m_streamWriter.Flush();   
43   
44             m_streamWriter.Close();   
45   
46             fs.Close();   
47   
48   
49         }   
50         protected override void OnStop()   
51         {   
52   
53             FileStream fs = new FileStream(@"d:\mcWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);   
54   
55             StreamWriter m_streamWriter = new StreamWriter(fs);   
56   
57             m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);   
58   
59             m_streamWriter.WriteLine(" mcWindowsService: Service Stopped " + DateTime.Now.ToString() + "\n");   
60   
61             m_streamWriter.Flush();   
62   
63             m_streamWriter.Close();   
64   
65             fs.Close();   
66   
67         }   
68   
69   
70         private static void TimedEvent(object source, ElapsedEventArgs e)         //运行期间执行   
71         {   
72             FileStream fs = new FileStream(@"d:\mcWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);   
73   
74             StreamWriter m_streamWriter = new StreamWriter(fs);   
75   
76             m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);   
77   
78             m_streamWriter.WriteLine("  Running.11.. " + DateTime.Now.ToString() + "\n");   
79   
80             m_streamWriter.Flush();   
81   
82             m_streamWriter.Close();   
83   
84             fs.Close();   
85         }   
86   
87     }   
88 }