ldap域账号登录

$host = "iflytek.com";
$user =  'yimiao@'.$host;//'用户名@域名';
$pswd = "******";
//1.用户登陆认证
$conn = ldap_connect($host) or die( 'Could not connect!' );

if($conn){
    //设置参数
    ldap_set_option ( $conn, LDAP_OPT_PROTOCOL_VERSION, 3 );
    ldap_set_option ( $conn, LDAP_OPT_REFERRALS, 0 ); // Binding to ldap server
    echo $user.'/'.$pswd;
    $bd = ldap_bind($conn, $user, $pswd)  or die ('Could not bind');
    if($bd){
        echo 'ldap_bind success';
    }else{
        echo 'ldap_bind fail';
    }
}else{
    echo 'Unable to connect to AD server';
}

public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string domain = "iflytek.com";
            string user = Request.Params["user"] + "@" + domain;
            string pwd = Request.Params["pwd"];
            bool adValidate = false;

            try
            {
                DirectoryEntry entry = new DirectoryEntry("LDAP://" + domain, user, pwd);
                object nativeObject = entry.NativeObject;
                adValidate = true;

                Response.Write("true");
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
            }
        }
    }