35. 架构的演变 - MySQL库表散列 读一条Blog内容 散列分布后 <?php $db = DB::getInstance($userID);//注意这里// fetch a database instance, specific for this user $db->prepare("SELECT title, message FROM BLOG_MESSAGES WHERE userid = {userID}"); $db->assignInt('userID', $userID); $db->execute(); $results = $db->getResults(); ?>