const getCurrentMonthFirst = function() {
var date = new Date();
var todate = date.getFullYear() + "-" + ((date.getMonth() + 1) < 10 ? ("0" + (date.getMonth() + 1)) : date.getMonth() + 1) + "-" + (date.getDate() < 10 ? ("0" + date.getDate()) : date.getDate());
return todate;
}
/**

• 傳入時(shí)間后幾天
• param：傳入時(shí)間：dates:"2018-04-02",later:往后多少天
  */
  const dateLater = function(dates, later) {
  let dateObj = {};
  let show_day = new Array('周日', '周一', '周二', '周三', '周四', '周五', '周六');
  let date = new Date(dates);
  date.setDate(date.getDate() + later);
  let day = date.getDay();
  dateObj.year = date.getFullYear();
  dateObj.month = ((date.getMonth() + 1) < 10 ? ("0" + (date.getMonth() + 1)) : date.getMonth() + 1);
  dateObj.day = (date.getDate() < 10 ? ("0" + date.getDate()) : date.getDate());
  dateObj.week = show_day[day];
  return dateObj;
  }
  //獲取d當(dāng)前時(shí)間多少天后的日期和對(duì)應(yīng)星期
  const getDates = function(days, todate = getCurrentMonthFirst()) { //todate默認(rèn)參數(shù)是當(dāng)前日期，可以傳入對(duì)應(yīng)時(shí)間
  var dateArry = [];
  for (var i = 0; i < days; i++) {
  var dateObj = dateLater(todate, i);
  dateArry.push(dateObj)
  }
  return dateArry;
  }
  注釋：days (天數(shù)) todate（開始日期，如果不傳默認(rèn)就是當(dāng)前日期）