怎么在C#中訪問網絡共享文件夾?相信很多沒有經驗的人對此束手無策,為此本文總結了問題出現的原因和解決方法,通過這篇文章希望你能解決這個問題。

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具體內容如下
using System.Runtime.InteropServices;
public enum ERROR_ID
{
ERROR_SUCCESS = 0, // Success
ERROR_BUSY = 170,
ERROR_MORE_DATA = 234,
ERROR_NO_BROWSER_SERVERS_FOUND = 6118,
ERROR_INVALID_LEVEL = 124,
ERROR_ACCESS_DENIED = 5,
ERROR_INVALID_PASSWORD = 86,
ERROR_INVALID_PARAMETER = 87,
ERROR_BAD_DEV_TYPE = 66,
ERROR_NOT_ENOUGH_MEMORY = 8,
ERROR_NETWORK_BUSY = 54,
ERROR_BAD_NETPATH = 53,
ERROR_NO_NETWORK = 1222,
ERROR_INVALID_HANDLE_STATE = 1609,
ERROR_EXTENDED_ERROR = 1208,
ERROR_DEVICE_ALREADY_REMEMBERED = 1202,
ERROR_NO_NET_OR_BAD_PATH = 1203
}
public enum RESOURCE_SCOPE
{
RESOURCE_CONNECTED = 1,
RESOURCE_GLOBALNET = 2,
RESOURCE_REMEMBERED = 3,
RESOURCE_RECENT = 4,
RESOURCE_CONTEXT = 5
}
public enum RESOURCE_TYPE
{
RESOURCETYPE_ANY = 0,
RESOURCETYPE_DISK = 1,
RESOURCETYPE_PRINT = 2,
RESOURCETYPE_RESERVED = 8,
}
public enum RESOURCE_USAGE
{
RESOURCEUSAGE_CONNECTABLE = 1,
RESOURCEUSAGE_CONTAINER = 2,
RESOURCEUSAGE_NOLOCALDEVICE = 4,
RESOURCEUSAGE_SIBLING = 8,
RESOURCEUSAGE_ATTACHED = 16,
RESOURCEUSAGE_ALL = (RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER | RESOURCEUSAGE_ATTACHED),
}
public enum RESOURCE_DISPLAYTYPE
{
RESOURCEDISPLAYTYPE_GENERIC = 0,
RESOURCEDISPLAYTYPE_DOMAIN = 1,
RESOURCEDISPLAYTYPE_SERVER = 2,
RESOURCEDISPLAYTYPE_SHARE = 3,
RESOURCEDISPLAYTYPE_FILE = 4,
RESOURCEDISPLAYTYPE_GROUP = 5,
RESOURCEDISPLAYTYPE_NETWORK = 6,
RESOURCEDISPLAYTYPE_ROOT = 7,
RESOURCEDISPLAYTYPE_SHAREADMIN = 8,
RESOURCEDISPLAYTYPE_DIRECTORY = 9,
RESOURCEDISPLAYTYPE_TREE = 10,
RESOURCEDISPLAYTYPE_NDSCONTAINER = 11
}
[StructLayout(LayoutKind.Sequential)]
public struct NETRESOURCE
{
public RESOURCE_SCOPE dwScope;
public RESOURCE_TYPE dwType;
public RESOURCE_DISPLAYTYPE dwDisplayType;
public RESOURCE_USAGE dwUsage;
[MarshalAs(UnmanagedType.LPStr)]
public string lpLocalName;
[MarshalAs(UnmanagedType.LPStr)]
public string lpRemoteName;
[MarshalAs(UnmanagedType.LPStr)]
public string lpComment;
[MarshalAs(UnmanagedType.LPStr)]
public string lpProvider;
}
public class NetworkConnection
{
[DllImport("mpr.dll")]
public static extern int WNetAddConnection2A(NETRESOURCE[] lpNetResource, string lpPassword, string lpUserName, int dwFlags);
[DllImport("mpr.dll")]
public static extern int WNetCancelConnection2A(string sharename, int dwFlags, int fForce);
public static int Connect(string remotePath, string localPath, string username, string password)
{
NETRESOURCE[] share_driver = new NETRESOURCE[1];
share_driver[0].dwScope = RESOURCE_SCOPE.RESOURCE_GLOBALNET;
share_driver[0].dwType = RESOURCE_TYPE.RESOURCETYPE_DISK;
share_driver[0].dwDisplayType = RESOURCE_DISPLAYTYPE.RESOURCEDISPLAYTYPE_SHARE;
share_driver[0].dwUsage = RESOURCE_USAGE.RESOURCEUSAGE_CONNECTABLE;
share_driver[0].lpLocalName = localPath;
share_driver[0].lpRemoteName = remotePath;
Disconnect(localPath);
int ret = WNetAddConnection2A(share_driver, password, username, 1);
return ret;
}
public static int Disconnect(string localpath)
{
return WNetCancelConnection2A(localpath, 1, 1);
}
}測試方法:
public void TestNetWorkConnection()
{
string localpath = "X:";
//int status = NetworkConnection.Connect(@"//192.168.0.2/test", localpath, @"test", "test");
int status = NetworkConnection.Connect("////192.168.0.2//test", localpath, @"test", "test");
if (status == (int)ERROR_ID.ERROR_SUCCESS)
{
FileStream fs = new FileStream(localpath + @"//123.txt", FileMode.OpenOrCreate);
using (StreamWriter stream = new StreamWriter(fs))
{
stream.WriteLine("你好呀,成功了");
stream.Flush();
stream.Close();
}
fs.Close();
}
else
{
Console.WriteLine(status);
}
NetworkConnection.Disconnect(localpath);
}C#是一個簡單、通用、面向對象的編程語言,它由微軟Microsoft開發,繼承了C和C++強大功能,并且去掉了一些它們的復雜特性,C#綜合了VB簡單的可視化操作和C++的高運行效率,以其強大的操作能力、優雅的語法風格、創新的語言特性和便捷的面向組件編程從而成為.NET開發的首選語言,但它不適用于編寫時間急迫或性能非常高的代碼,因為C#缺乏性能極高的應用程序所需要的關鍵功能。
看完上述內容,你們掌握怎么在C#中訪問網絡共享文件夾的方法了嗎?如果還想學到更多技能或想了解更多相關內容,歡迎關注創新互聯行業資訊頻道,感謝各位的閱讀!
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