倒计时支持多楼层

@@ -361,11 +361,17 @@ var saleTime = function(elem, offsetTime) {
     }
 
 };
-let endTime = $('.sale-floor-time').attr('data-time'),
+
+var limitFloor = $('.sale-floor-time');
+
+limitFloor.each(function() {
+    var endTime = $(this).attr('data-time'),
 
     // ~~两次取反位运算就是取整
-    limit = ~~((endTime * 1000 - Date.now()) / 1000);
-saleTime('.sale-floor-time', limit);
+        limit = ~~((endTime * 1000 - Date.now()) / 1000);
+
+    saleTime(this, limit);
+});
 
 require('./maybe-like')();