问题描述

如何从 Active Directory 查询用户信息?我有有效的代码，但它真的很慢.我正在使用 C#.这是我目前使用的代码:

How to query user information from Active Directory? I have code that works, but it's really slow. I'm using C#. This is the code I currently use:

    static void Main(string[] args)
    {
        SearchResultCollection sResults = null;

        try
        {
            //modify this line to include your domain name
            string path = "LDAP://EXTECH";
            //init a directory entry
            DirectoryEntry dEntry = new DirectoryEntry(path);

            //init a directory searcher
            DirectorySearcher dSearcher = new DirectorySearcher(dEntry);

            //This line applies a filter to the search specifying a username to search for
            //modify this line to specify a user name. if you want to search for all
            //users who start with k - set SearchString to "k"
            dSearcher.Filter = "(&(objectClass=user))";

            //perform search on active directory
            sResults = dSearcher.FindAll();

            //loop through results of search
            foreach (SearchResult searchResult in sResults)
            {
                if (searchResult.Properties["CN"][0].ToString() == "Adit")
                {
                    ////loop through the ad properties
                    //foreach (string propertyKey in
                    //searchResult.Properties["st"])
                    //{

                        //pull the collection of objects with this key name
                        ResultPropertyValueCollection valueCollection =
                        searchResult.Properties["manager"];

                        foreach (Object propertyValue in valueCollection)
                        {

                            //loop through the values that have a specific name
                            //an example of a property that would have multiple
                            //collections for the same name would be memberof
                            //Console.WriteLine("Property Name: " + valueCollection..ToString());
                            Console.WriteLine("Property Value: " + (string)propertyValue.ToString());

                            //["sAMAccountName"][0].ToString();
                        }
                    /
                
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