使用DisplayName查找AD用户信息

$displayName = "John Doe"
$user = Get-ADUser -Filter "DisplayName -eq '$displayName'"
if ($user) {
    Write-Output $user
} else {
    Write-Output "User not found"
}

using System;
using System.DirectoryServices;

class Program
{
    static void Main()
    {
        string displayName = "John Doe";
        string domain = "yourdomain.com";
        string username = "yourusername";
        string password = "yourpassword";

        using (DirectoryEntry entry = new DirectoryEntry("LDAP://" + domain, username, password))
        {
            using (DirectorySearcher searcher = new DirectorySearcher(entry))
            {
                searcher.Filter = $"(&(objectClass=user)(displayName={displayName}))";
                SearchResult result = searcher.FindOne();

                if (result != null)
                {
                    Console.WriteLine($"User found: {result.Properties["displayName"][0]}");
                }
                else
                {
                    Console.WriteLine("User not found");
                }
            }
        }
    }
}