vue把时间格式为yyyy-mm-dd转换成时间戳对比大小

	var timeStr1 = '2021-04-08';
	var timeStr2 = '2021-04-12';
	var time1 = new Date(timeStr1).getTime();
	var time2 = new Date(timeStr2).getTime();
	 
	return time1 < time2;