添加兑换次数限制

Application/Home/Controller/ShopController.class.php

@@ -152,6 +152,14 @@ class ShopController extends BaseController
 			echo $this->formatRes($result);exit;
 		}
 
+        $num = M("yl_goods_order","",C("LEWAN_HEZI"))->where(array('uid'=>$token['uid'],'create_time'=>array('gt',date('Y-m-d'))))->count();
+        if($num > 2) {
+            $result = array(
+                'c'=>2
+                ,'msg'=>'今天兑换次数已达上限'
+			);
+			echo $this->formatRes($result);exit;
+        }
 
         $model= new \Home\Model\ShopModel();
         $result = $model->goodsChange($token['uid'],$goodsId,$changeWay);