<input id="c-materialcode" class="form-control" name="row[materialcode]" type="text" data-rule="required;remote(product/tuzhi/check)">

• 字段唯一性验证

public function check()

   {

       $params = $this->request->post('row/a');

       $materialcode = $params['materialcode'];

       $materialcode = Db::table('tt_product_machine')->where('materialcode',$materialcode)->find();

       if($materialcode!=NULL){

           return $this->error('编码已存在，重新输入！');

       }else{

           return $this->success('编码可用！');

       }

   }