c# 用户名 密码 访问 局域网共享

#region Ping 返回true则代表可以连接成功
public bool Ping(string remoteHost)
{
bool Flag = false;
Process proc = new Process();
try
{
proc.StartInfo.FileName = "cmd.exe";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardInput = true;
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.RedirectStandardError = true;
proc.StartInfo.CreateNoWindow = true;
proc.Start();
string dosLine = @"ping -n 1 " + remoteHost;
proc.StandardInput.WriteLine(dosLine);
proc.StandardInput.WriteLine("exit");
while (!proc.HasExited)
{
proc.WaitForExit(500);
}
string pingResult = proc.StandardOutput.ReadToEnd().Replace("Request timed out", "无法访问目标主机");
if (pingResult.IndexOf("无法访问目标主机") == -1)
{
Flag = true;
}
proc.StandardOutput.Close();

}
catch (Exception ex)
{
}
finally
{
proc.Close();
proc.Dispose();
}
return Flag;
}
#endregion

#region Connect 连接局域网 返回true则代表可以连接成功
public bool Connect(string remoteHost, string userName, string passWord)
{
bool Flag = false;
Process proc = new Process();
try
{
proc.StartInfo.FileName = "cmd.exe";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardInput = true;
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.RedirectStandardError = true;
proc.StartInfo.CreateNoWindow = true;
proc.Start();
proc.StandardInput.WriteLine("net use * /del /y");  //中断开所有连接
string dosLine = @"net use \\" + remoteHost + " " + passWord + " " + " /user:" + userName + ">NUL";
proc.StandardInput.WriteLine(dosLine);
proc.StandardInput.WriteLine("exit");
while (!proc.HasExited)
{
proc.WaitForExit(1000);
}
string errormsg = proc.StandardError.ReadToEnd();
proc.StandardError.Close();
if (String.IsNullOrEmpty(errormsg))
{
Flag = true;
}
}
catch (Exception ex)
{ }
finally
{
proc.Close();
proc.Dispose();
}
return Flag;
}
#endregion