c# 操作Windows帐户【转】

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/// <summary>
/// 创建Windows帐户
/// </summary>
/// <param name="pathname"></param>
/// <returns></returns>
public static void CreateLocalUser(string username, string password, string description)
{
    DirectoryEntry localMachine = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer");
    var newUser = localMachine.Children.Add(username, "user");
    newUser.Invoke("SetPassword", new object[] { password });
    newUser.Invoke("Put", new object[] { "Description", description });
    newUser.CommitChanges();
    localMachine.Close();
    newUser.Close();
}

/// <summary>
/// 更改Windows帐户密码
/// </summary>
/// <param name="username"></param>
/// <param name="oldPwd"></param>
/// <param name="newPwd"></param>
public static void ChangeWinUserPasswd(string username, string oldPwd, string newPwd)
{
    DirectoryEntry localMachine = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer");
    DirectoryEntry user = localMachine.Children.Find(username, "user");
    object[] password = new object[] { oldPwd, newPwd };
    object ret = user.Invoke("ChangePassword", password);
    user.CommitChanges();
    localMachine.Close();
    user.Close();
}

/// <summary>
/// 判断Windows用户是否存在
/// </summary>
/// <param name="username"></param>
/// <returns></returns>
public static bool ExistWinUser(string username)
{
    try
    {
        using (DirectoryEntry localMachine = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer"))
        {
            var user = localMachine.Children.Find(username, "user");
            return user != null;
        }
    }
    catch
    {
        return false;
    }
}

/// <summary>
/// 删除Windows用户
/// </summary>
/// <param name="username"></param>
/// <returns></returns>
public static bool DeleteWinUser(string username)
{
    try
    {
        using (DirectoryEntry localMachine = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer"))
        {
            //删除存在用户
            var delUser = localMachine.Children.Find(username, "user");
            if (delUser != null)
            {
                localMachine.Children.Remove(delUser);
            }
        }
        return true;
    }
    catch
    {
        return false;
    }
}

/// <summary>
/// 启用/禁用windows帐户
/// </summary>
/// <param name="username"></param>
public static void Disable(string username, bool isDisable)
{
    var userDn = "WinNT://" + Environment.MachineName + "/" + username + ",user";
    DirectoryEntry user = new DirectoryEntry(userDn);
    user.InvokeSet("AccountDisabled", isDisable);
    user.CommitChanges();
    user.Close();
}

/// <summary>
    /// 给目录添加用户和权限
    /// </summary>
    /// <param name="pathname"></param>
    /// <param name="username"></param>
    /// <param name="qx"></param>
    public static void AddPathRights(string pathname, string username, FloderRights qx)
    {
        DirectoryInfo dirinfo = new DirectoryInfo(pathname);
        if ((dirinfo.Attributes & FileAttributes.ReadOnly) != 0)
        {
            dirinfo.Attributes = FileAttributes.Normal;
        }
        //取得访问控制列表
        DirectorySecurity dirsecurity = dirinfo.GetAccessControl();
        // string strDomain = Dns.GetHostName();
        switch (qx)
        {
            case FloderRights.FullControl:
                dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.FullControl, AccessControlType.Allow));
                break;
            case FloderRights.Read:
                dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.Read, AccessControlType.Allow));
                break;
            case FloderRights.Write:
                dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.Write, AccessControlType.Allow));
                break;
            default:
                dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.FullControl, AccessControlType.Deny));
                break;
        }
 
        dirinfo.SetAccessControl(dirsecurity);
 
        //取消目录从父继承
        DirectorySecurity dirSecurity = System.IO.Directory.GetAccessControl(pathname);
        dirSecurity.SetAccessRuleProtection(true, false);
        System.IO.Directory.SetAccessControl(pathname, dirSecurity);
 
        //AccessControlType.Allow允许访问受保护对象//Deny拒绝访问受保护对象
        //FullControl、Read 和 Write 完全控制,读,写
        //FileSystemRights.Write写入//Delete删除 //DeleteSubdirectoriesAndFiles删除文件夹和文件//ListDirectory读取
        //Modify读写删除-修改//只读打开文件和复制//
    }

文章来源：https://www.cnblogs.com/skynothing/