1. using System; 
2. using System.Collections.Generic; 
3. using System.Linq; 
4. using System.Text; 
5.  
6. using System.Management;//添加引用 
7. using System.IO; 
8.  
9. namespace ConsoleApplication1 
10. { 
11.     class Program 
12.     { 
13.         static void Main(string[] args) 
14.         { 
15.             //测试代码:  
16.             test mgr = new test(); 
17.             mgr.WriteListToTextFile(mgr.GetUserNames(), @"c:\test.txt"); //测试生成新的Txt文件 
18.             List<string> list = mgr.ReadTextFileToList(@"C:\test.txt");//记取字符串  
19.             foreach (string s in list) Console.WriteLine(s); //显示出来′  
20.             Console.ReadKey(); //按′任一键关闭Console  
21.           
22.             /* 
23.              * 结果： 
24.              *  JUQI\ASPNET 
25.                 JUQI\capable 
26.                 JUQI\Guest 
27.                 JUQI\itd0300166 
28.                 JUQI\IUSR_PLSH166 
29.                 JUQI\IWAM_PLSH166 
30.                 JUQI\SUPPORT_388945a0 
31.              *  
32.              * */ 
33.  
34.         } 
35.     } 
36.         public class test 
37.         { 
38.  
39.             /// <summary> 
40.             /// 获取本机上的用户帐户 
41.             /// </summary> 
42.             /// <param name="domainName"></param> 
43.             /// <returns></returns> 
44.             public  List<String> GetUserNames() 
45.             { 
46.                 ManagementClass mcs = new ManagementClass("Win32_UserAccount"); 
47.                 ManagementObjectCollection moc = mcs.GetInstances(); 
48.                 List<String> lstNames = new List<string>(); 
49.                 foreach (ManagementObject mo in moc) 
50.                 { 
51.                     lstNames.Add(Environment.UserDomainName + "\\" + mo.GetPropertyValue("Name").ToString()); 
52.                     //domainName = mo.GetPropertyValue("Domain").ToString(); 
53.                 } 
54.                 return lstNames; 
55.             } 
56.  
57.  
58.             //将List转换为TXT文件 
59.             public void WriteListToTextFile(List<string> list, string txtFile) 
60.             { 
61.                 //创建一个文件流，用以写入或者创建一个StreamWriter  
62.                 FileStream fs = new FileStream(txtFile, FileMode.OpenOrCreate, FileAccess.Write); 
63.                 StreamWriter sw = new StreamWriter(fs); 
64.                 sw.Flush(); 
65.                 // 使用StreamWriter来往文件中写入内容  
66.                 sw.BaseStream.Seek(0, SeekOrigin.Begin); 
67.                 for (int i = 0; i < list.Count; i++) sw.WriteLine(list[i]); 
68.                 //关闭此文件t  
69.                 sw.Flush(); 
70.                 sw.Close(); 
71.                 fs.Close(); 
72.             } 
73.  
74.  
75.             //读取文本文件转换为List  
76.             public List<string> ReadTextFileToList(string fileName) 
77.             { 
78.                 FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read); 
79.                 List<string> list = new List<string>(); 
80.                 StreamReader sr = new StreamReader(fs); 
81.                 //使用StreamReader类来读取文件  
82.                 sr.BaseStream.Seek(0, SeekOrigin.Begin); 
83.                 // 从数据流中读取每一行，直到文件的最后一行 
84.                 string tmp = sr.ReadLine(); 
85.                 while (tmp != null) 
86.                 { 
87.                     list.Add(tmp); 
88.                     tmp = sr.ReadLine(); 
89.                 } 
90.                 //关闭此StreamReader对象  
91.                 sr.Close(); 
92.                 fs.Close(); 
93.                 return list; 
94.             } 
95.         } 
96.  
97.     }