// 创建一个mysql连接实例对象
$db = NewADOConnection("mysql");
// 打开一个数据库连接
$db->Connect("localhost", "root", "root", "library") or die("Unable to connect!");
// 构造并执行一个查询
$query = "SELECT title, id FROM library";
$result = $db->Execute($query) or die("Error in query: $query. " . $db->ErrorMsg());
//显示HTML下拉列表菜单
echo $result->GetMenu("library", '', false);
// 关闭数据库连接
$db->Close();
?>