/**
* 页面输入错误消息
* @return string
*/
public static function getErrorMessage()
{
$flash = LsYii::getFlash('error');
if (!empty($flash)) {
$message = Html::beginTag('div', ['class' => 'alert alert-danger alert-dismissible fade in', 'role' => 'alert']);
$message .= $flash;
$message .= Html::endTag('div');
LsYii::getView()->registerJs("\$(function(){\n setTimeout(function(){\n \$('div.alert-danger').remove();\n } , 3000);\n })", BackView::POS_END);
} else {
$message = '';
}
return $message;
}
