要想属性可搜索，需要在在Model的rules 设定可以搜索的属性
public function rules() | public function rules() { return [
[[‘id‘, ‘date‘, ‘type‘, ‘blocked_time‘, ‘create_time‘], ‘integer‘],
]; }
yii 框架GridView::widget 检索框
原文：http://www.cnblogs.com/li-xingtao/p/4731116.html
