asp.net访问网络路径方法(模拟用户登录)

核心代码：

rush:csharp;"> public class IdentityScope : Idisposable { // obtains user token [DllImport("advapi32.dll",SetLastError = true)] static extern bool logonUser(string pszUsername,string pszDomain,string pszPassword,int dwlogonType,int dwlogonProvider,ref IntPtr phToken); // closes open handes returned by logonUser [DllImport("kernel32.dll",CharSet = CharSet.Auto)] extern static bool CloseHandle(IntPtr handle);

[DllImport("Advapi32.DLL")]
static extern bool ImpersonateLoggedOnUser(IntPtr hToken);
[DllImport("Advapi32.DLL")]
static extern bool RevertToSelf();
const int <a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N32_PROVIDER_DEFAULT = 0;
const int <a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N32_<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N_NEWCREDENTIALS = 9;//域ò控?中D的?需è要a用?:In<a href="https://www.jb51.cc/tag/tera/" target="_blank" class="keywords">tera</a>ctive = 2
private bool <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>posed;
/// <summary>
/// 登?录?
/// </summary>
/// <p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m name="sUsername"&gt;用?户§名?</param>
/// <p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m name="sDomain"&gt;域ò名?，?如?果?不?在ú域ò中D就í使1用?机ú器÷IP地?址·</param>
/// <p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m name="sPassword"&gt;密ü码?</param>
public IdentityS<a href="https://www.jb51.cc/tag/cop/" target="_blank" class="keywords">cop</a>e(string sUsername,string sDomain,string sPassword)
{
  // initialize tokens
  IntPtr pExistingTokenHandle = new IntPtr(0);
  IntPtr pDuplicat<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>kenHandle = new IntPtr(0);
  try
  {
    // get handle to token
    bool bImpersonated = <a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>nUser(sUsername,sDomain,sPassword,<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N32_<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N_NEWCREDENTIALS,<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>N32_PROVIDER_DEFAULT,ref pExistingTokenHandle);
    if (true == bImpersonated)
    {
      if (!ImpersonateLoggedOnUser(pExistingTokenHandle))
      {
        int nErrorCode = Marshal.GetLastWin32Error();
        throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);
      }
    }
    else
    {
      int nErrorCode = Marshal.GetLastWin32Error();
      throw new Exception("<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>nUser error;Code=" + nErrorCode);
    }
  }
  finally
  {
    // close handle(s)
    if (pExistingTokenHandle != IntPtr.Zero)
      CloseHandle(pExistingTokenHandle);
    if (pDuplicat<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>kenHandle != IntPtr.Zero)
      CloseHandle(pDuplicat<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>kenHandle);
  }
}
protected virtual void <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>pose(bool <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>posing)
{
  if (!<a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>posed)
  {
    RevertToSelf();
    <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>posed = true;
  }
}
public void <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>pose()
{
  <a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>pose(true);
}

}

第二个参数是域名，有域名的话写域名，没有域名写目标机器的IP就可以了

rush:csharp;"> using (IdentityScope c = new IdentityScope("administrator","192.168.0.1","11111")) { string[] filelist = System.IO.Directory.GetDirectories(@"\\192.168.0.1\folderName"); }