动态多选下拉列表

{
                         field: 'contract_record.goods_id', title: __('请选择票类'),searchList:$.getJSON('shopro/dashboard/cxticketselect'),
                         addClass: 'selectpicker', data: 'multiple', operate: 'FIND_IN_SET',
                         formatter: Table.api.formatter.labe, visible: false
                     },
 
public function cxticketselect()
 {
 
     $list=\app\admin\model\shopro\Category::where(['id' => ['IN', ['169','168', '170', '173', '175','176']]])->field('id,name')->select();
     return json($list);
 }