修改收藏商品的接口传回参数

@@ -157,10 +157,11 @@ class UserModel
 			$product = array();
 			foreach ($favProduct['data']['product_list'] as $val) {
 				$product = array();
+				$product['fav_id'] = $val['product_id'];
 				$product['imgUrl'] = $val['image'];
 				$product['title'] = $val['product_name'];
 				$product['price'] = '￥'.$val['market_price'];
-				$product['discountPrice'] = '￥'.$val['sales_price'];
+				$product['discountPrice'] = ($val['market_price'] - $val['sales_price'] > 0) ? '￥'.$val['sales_price'] : false;
 				$product['savePrice'] = ($val['market_price'] - $val['sales_price'] > 0) ? '￥'.($val['market_price'] - $val['sales_price']) : false;
 				$product['sellOut'] = (bool)($val['price_down']);