js 日期工具类

//计算日期之差天数
        function getDays(strDateStart,strDateEnd){
            var strSeparator = "-"; //日期分隔符
            var oDate1;
            var oDate2;
            var iDays;
            oDate1= strDateStart.split(strSeparator);
            oDate2= strDateEnd.split(strSeparator);
            var strDateS = new Date(oDate1[0] + "-" + oDate1[1] + "-" + oDate1[2]);
            var strDateE = new Date(oDate2[0] + "-" + oDate2[1] + "-" + oDate2[2]);
            iDays = parseInt(Math.abs(strDateS - strDateE ) / 1000 / 60 / 60 /24)//把相差的毫秒数转换为天数
            return iDays ;
        };

//获取N天后的日期（N天前的传负数）
function GetDateStr(AddDayCount) {
        var dd = new Date();
        dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天后的日期
        var y = dd.getFullYear();
        var m = dd.getMonth()+1;//获取当前月份的日期
        var d = dd.getDate();
        if(m<10){
            m="0"+m;
        }
        if(d<10){
            d="0"+d;
        }
        return y+"-"+m+"-"+d;
    }
// 将秒数换成时分秒格式
function formatSeconds(value) {
    var theTime = parseInt(value);// 秒
    var theTime1 = 0;// 分
    var theTime2 = 0;// 小时
    if(theTime > 60) {
        theTime1 = parseInt(theTime/60);
        theTime = parseInt(theTime%60);
            if(theTime1 > 60) {
            theTime2 = parseInt(theTime1/60);
            theTime1 = parseInt(theTime1%60);
            }
    }
        var result = ""+parseInt(theTime)+"秒";
        if(theTime1 > 0) {
        result = ""+parseInt(theTime1)+"分"+result;
        }
        if(theTime2 > 0) {
        result = ""+parseInt(theTime2)+"小时"+result;
        }
    return result;
}