Windows服务中读取网络映射路径无法访问

最近做一个数据同步的功能，需要访问映射磁盘下的目录，使用Windows服务进行部署后台运行。但在部署过程中，出现对映射目录不识别的问题。使用exe程序读取则没有问题。

根据网上资料，各种添加权限都不起作用。最终，找的两篇博文（由于记录博客时，无法找到相关连接说明。非常感谢两位园友）进行处理则能访问。

通过使用以下两部操作则可完成。

1、配置可远程访问共享目录的用户。在服务启动过程中，使用此账号（与访问远程目录的用户名和密码一致）进行登录

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2、通过使用C#直接访问远程目录 （感谢园友提供）

 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);
        }
    }

应用代码

 
//此处的用户名admin和password 必须与上述新增的用户名和密码一致。
var status = NetworkConnection.Connect("\192.168.0.26nasbakoracle","X:","admin","password");
            if (status == (int)ERROR_ID.ERROR_SUCCESS)
            {
                try
                {
                    //业务逻辑处理，使用在程序中映射的本地路径读取即可

                }
                catch (Exception ex)
                {
                       //todo 异常记录
                }
            }
            else
            {
                //返回状态码
            }
            NetworkConnection.Disconnect(localpath);    

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