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');
}
}
