C# 访问共享文件夹或者磁盘（需要用户名密码）

SharedTool：

[csharp] view plain copy

1. using System;    
2. using System.Collections.Generic;    
3. using System.Linq;    
4. using System.Text;    
5. using System.Runtime.InteropServices;    
6.     
7. namespace ConsoleApplication5    
8. {    
9.     public class SharedTool : IDisposable    
10.     {    
11.         // obtains user token         
12.         [DllImport("advapi32.dll", SetLastError = true)]    
13.         static extern bool LogonUser(string pszUsername, string pszDomain, string pszPassword,    
14.             int dwLogonType, int dwLogonProvider, ref IntPtr phToken);    
15.     
16.         // closes open handes returned by LogonUser         
17.         [DllImport("kernel32.dll", CharSet = CharSet.Auto)]    
18.         extern static bool CloseHandle(IntPtr handle);    
19.     
20.         [DllImport("Advapi32.DLL")]    
21.         static extern bool ImpersonateLoggedOnUser(IntPtr hToken);    
22.     
23.         [DllImport("Advapi32.DLL")]    
24.         static extern bool RevertToSelf();    
25.         const int LOGON32_PROVIDER_DEFAULT = 0;    
26.         const int LOGON32_LOGON_NEWCREDENTIALS = 9;//域控中的需要用:Interactive = 2         
27.         private bool disposed;    
28.     
29.         public SharedTool(string username, string password, string ip)    
30.         {    
31.             // initialize tokens         
32.             IntPtr pExistingTokenHandle = new IntPtr(0);    
33.             IntPtr pDuplicateTokenHandle = new IntPtr(0);    
34.     
35.             try    
36.             {    
37.                 // get handle to token         
38.                 bool bImpersonated = LogonUser(username, ip, password,    
39.                     LOGON32_LOGON_NEWCREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref pExistingTokenHandle);    
40.     
41.                 if (bImpersonated)    
42.                 {    
43.                     if (!ImpersonateLoggedOnUser(pExistingTokenHandle))    
44.                     {    
45.                         int nErrorCode = Marshal.GetLastWin32Error();    
46.                         throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);    
47.                     }    
48.                 }    
49.                 else    
50.                 {    
51.                     int nErrorCode = Marshal.GetLastWin32Error();    
52.                     throw new Exception("LogonUser error;Code=" + nErrorCode);    
53.                 }    
54.             }    
55.             finally    
56.             {    
57.                 // close handle(s)         
58.                 if (pExistingTokenHandle != IntPtr.Zero)    
59.                     CloseHandle(pExistingTokenHandle);    
60.                 if (pDuplicateTokenHandle != IntPtr.Zero)    
61.                     CloseHandle(pDuplicateTokenHandle);    
62.             }    
63.         }    
64.     
65.         protected virtual void Dispose(bool disposing)    
66.         {    
67.             if (!disposed)    
68.             {    
69.                 RevertToSelf();    
70.                 disposed = true;    
71.             }    
72.         }    
73.     
74.         public void Dispose()    
75.         {    
76.             Dispose(true);    
77.         }    
78.     }    
79. }    

案例：

[csharp] view plain copy

1. using System;    
2. using System.Collections.Generic;    
3. using System.Linq;    
4. using System.Text;    
5. using System.IO;    
6.     
7. namespace ConsoleApplication5    
8. {    
9.     class Program    
10.     {    
11.         static void Main(string[] args)    
12.         {    
13.             using (SharedTool tool = new SharedTool("administrator", "12345678", "192.168.1.101"))    
14.             {    
15.                 string selectPath = @"\\192.168.1.101\c$";    
16.     
17.                 var dicInfo = new DirectoryInfo(selectPath);//选择的目录信息    
18.     
19.                 DirectoryInfo[] dic = dicInfo.GetDirectories("*.*", SearchOption.TopDirectoryOnly);    
20.                 foreach (DirectoryInfo temp in dic)    
21.                 {    
22.                     Console.WriteLine(temp.FullName);    
23.                 }    
24.     
25.                 Console.WriteLine("---------------------------");    
26.                 FileInfo[] textFiles = dicInfo.GetFiles("*.*", SearchOption.TopDirectoryOnly);//获取所有目录包含子目录下的文件    
27.                 foreach (FileInfo temp in textFiles)    
28.                 {    
29.                     Console.WriteLine(temp.Name);    
30.                 }    
31.             }    
32.             Console.ReadKey();    
33.         }    
34.     }    
35. }