function UTCDateToLocalDate(dateStr) {
var date1 = new Date();
var offsetMinute = date1.getTimezoneOffset();
var offsetHours = offsetMinute / 60;
var date2 = new Date(dateStr);
date2.setHours(date2.getHours() - offsetHours);
return date2;
}
原文：https://www.cnblogs.com/mrcui/p/12800651.html