原生JS获取：当前日期/指定日期+天数的代码实例

原生js获取：当前日期/指定日期+天数的代码实例

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;
    return y+"-"+m+"-"+d;
}

function getdatestr(adddaycount,addmonthcount){
    var dd = new date();
    dd.setmonth(dd.getmonth()+addmonthcount);
    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;
}

function dateadd(startdate,day){
    startdate = new date(startdate);
    startdate = +startdate + 1000 * 60 * 60 * 24 * day;
    startdate = new date(startdate);
    var nextstartdate = startdate.getfullyear() + "-" + (startdate.getmonth() + 1) + "-" + startdate.getdate() + ' '+startdate.gethours() + ':' + startdate.getminutes() + ':' + startdate.getseconds();
    return nextstartdate;
}