modify add to cart buy_number to int

@@ -22,6 +22,7 @@ class Yohobuy
 //     const API_URL2 = 'http://api.open.yohobuy.com/';
 //     const SERVICE_URL = 'http://service.api.yohobuy.com/';
 //     const YOHOBUY_URL = 'http://www.yohobuy.com/';
+    
     const API_URL = 'http://apih5.yoho.cn/';
     const API_URL2 = 'http://apih5.yoho.cn/';
     const SERVICE_URL = 'http://serviceh5.yoho.cn/';
@@ -33,6 +34,13 @@ class Yohobuy
 //    const SERVICE_URL = 'http://testservice.yoho.cn:28077/';
 //    const YOHOBUY_URL = 'http://www.yohobuy.com/';
 //    const API_OLD = 'http://test2.open.yohobuy.com/';
+    
+//    /* 预览环境 */
+//    const API_URL = 'http://preapi.yoho.cn/';
+//    const API_URL2 = 'http://preapi.yoho.cn/';
+//    const SERVICE_URL = 'http://serviceh5.yoho.cn/';
+//    const YOHOBUY_URL = 'http://www.yohobuy.com/';
+//    const API_OLD = 'http://api2.open.yohobuy.com/';
 
     /**
      * 私钥列表

@@ -34,7 +34,7 @@ class CartData
         $param = Yohobuy::param();
         $param['method'] = 'app.Shopping.add';
         $param['product_sku'] = $productSku;
-        $param['buy_number'] = $buyNumber;
+        $param['buy_number'] = intval($buyNumber);
         $param['goods_type'] = $goodsType;
         $param['edit_product_sku'] = $isEdit;
         $param['selected'] = 'Y';
@@ -199,10 +199,10 @@ class CartData
         $param['product_sku'] = $sku;
 
         if (!empty($increaseNum)) {
-            $param['increase_number'] = $increaseNum;
+            $param['increase_number'] = intval($increaseNum);
         }
         if (!empty($decreaseNum)) {
-            $param['decrease_number'] = $decreaseNum;
+            $param['decrease_number'] = intval($decreaseNum);
         }
 
         if (!empty($uid)) {