static function createForm($id, $action)
{
$form = new Form_Admin_Links($id, $action);
$form->add(QForm::ELEMENT, 'name', array('_ui' => 'textbox', '_label' => '友情链接名称', '_req' => true, '_tips' => '友情链接的网站名'))->add(QForm::ELEMENT, 'url', array('_ui' => 'textbox', '_label' => '网站地址', '_req' => true, '_tips' => '友情链接网站的网址'))->add(QForm::ELEMENT, 'link_id', array('_ui' => 'hidden'))->add(QForm::ELEMENT, 'img', array('_ui' => 'admin_picpreview', '_label' => '已上传图片', 'attr' => array('dir' => 'links')))->add(QForm::ELEMENT, 'ico', array('_ui' => 'upload', '_label' => '上传图标', '_tips' => ''))->add(QForm::ELEMENT, 'order_num', array('_ui' => 'textbox', '_label' => '排序', 'value' => 0));
$form->addValidations(Links::meta());
//上传图片的限制
$types = Q::normalize(Q::ini('appini/teapics/upload_allowed_types'));
$size = intval(Q::ini('appini/teapics/upload_allowed_size') * 1024);
$dim = Q::ini('appini/teapics/img_pic_width') . 'x' . Q::ini('appini/teapics/img_pic_height');
$form['ico']->_tips = sprintf($form['ico']->_tips, implode('/', $types), $size / 1024, $dim);
$form->selectUploadElement('ico')->uploadAllowedSize($size)->uploadAllowedTypes($types)->enableSkipUpload();
//表单验证规则
return $form;
}