购物车收藏还未选择产品时提示未选择

src/main/webapp/resources/js/usercenter/controllers/forstore/buyer_cart_ctrl.js

@@ -897,6 +897,10 @@ define(["app/app", 'jquery-summernote'], function(app) {
 						}
 					});
 				});
+				if (uuids.length == 0){
+					toaster.pop('info', '你还未选择任何产品');
+					return;
+				}
                 collectionService.saveStores({ }, uuids, function(response){
 					if(response.data == "success"){
                         $scope.collectDelete();