public function __construct(...$params) {
    parent::__construct(...$params);
    
 
    $field = \Phpcmf\Service::M('field')->get_mytable_field('abcd', 0);
    
    $this->_init([
        'table' => 'abcd',
        'field' => $field,
    ]);
    // 写入模板
    \Phpcmf\Service::V()->assign([
        'menu' => \Phpcmf\Service::M('auth')->_admin_menu([
            '自定义页面' => [APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/index', 'fa fa-safari'],
            '添加' => [APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/add', 'fa fa-plus'],
            '修改' => ['hide:'.APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/edit', 'fa fa-edit'],
            '自定义字段' => ['url:'.\Phpcmf\Service::L('Router')->url('field/index', ['rname'=>'table-abcd', 'rid'=>0]), 'fa fa-code'],
          
        ]),
    ]);
}