public function add()
{
if (IS_POST) {
$post = $_POST;
if (empty($post)) {
$this->error('参数错误');
}
$fieldModel = new ModelFieldModel($this->_mid);
if ($fieldModel->addField($post)) {
$this->success('添加字段成功');
}
} else {
//不允许删除字段
$this->assign('noallowhide', ModelFieldModel::$NoAllowHide);
$this->model = $this->_model[$this->_mid];
$this->display();
}
}
