function calculateDates (startime,endtime) {
startime = startime.replace(new RegExp("-","gm"),"/");//转换-变为/
endtime = endtime.replace(new RegExp("-","gm"),"/");
var minTime = new Date(startime).getTime()>new Date(endtime).getTime()?endtime:startime
var maxTime = new Date(startime).getTime()>new Date(endtime).getTime()?startime:endtime
var start = new Date(minTime);
var startYear = start.getFullYear(); //开始年份
var startMonth = start.getMonth() + 1;//开始月份
var end = new Date(maxTime);
var endYear = end.getFullYear(); //结束年份
var endMonth = end.getMonth() + 1;//结束月份
// 年
var mideleYear=new Date(minTime)
mideleYear.setFullYear(endYear)
var years = Math.abs(mideleYear.getFullYear() - start.getFullYear());
if(mideleYear.getTime()>end.getTime()){
years--
}
// 月
var mideleMonthDay = new Date(minTime)