public function update() { $id = I('id', NULL); if (!empty($id)) { $article = new GonggaoModel(); if ($data = $article->create()) { if (false !== $article->save()) { $this->message('编辑成功', __URL__ . '/index'); } else { $this->message('编辑失败:' . $article->getError(), __URL__ . '/index'); } } else { $this->message('编辑失败:' . $article->getError(), __URL__ . '/index'); } } else { $this->message('请选择编辑对象', __URL__ . '/index'); } }