public function preview($info = -1) { $Posts = new PostsLogic(); if ($_SESSION[get_opinion('USER_AUTH_KEY')]) { $post_detail = $Posts->preview($info, true); } $this->if404($post_detail, "非常抱歉,你需要的文章暂时不存在,可能它已经躲起来了。."); $this->assign('breadcrumbs', get_breadcrumbs('post', $post_detail)); $this->assign('post', $post_detail); // 赋值数据集 if (File::file_exists(T('Home@Post/' . $post_detail['post_template']))) { $this->display($post_detail['post_template']); } else { $this->display('single'); } }