/** * addCategory时需要为note和category创建链接 * * @param $category_id * * @return */ public function makeCategoryLink($category_id) { if ($this->getId()) { $taglink = new Database_NotesLinkCategorys($this->_db); $taglink->category_id = $category_id; $taglink->note_id = $this->getid(); $taglink->save(); return $taglink->getId(); } }