debug 重构js函数名称

shop/resource/js/store_goods_add.step2.js

@@ -692,8 +692,8 @@ function discountCalculator() {
     }
 }
 
-function formatUnixTime(unix_time) {
-    var date = new Date(parseInt(unix_time));
+function formatTimeStampToDate(time_stamp) {
+    var date = new Date(parseInt(time_stamp));
     var y = date.getFullYear();
     var m = date.getMonth() + 1;
     m = m < 10 ? ('0' + m) : m;