获取指定时间段的日期

let getDayAll = (timeArr) => {
  let starDay = timeArr[0]
  let endDay = timeArr[1]
  var arr = [];
  var dates = [];

  // 设置两个日期UTC时间
  var db = new Date(starDay);
  var de = new Date(endDay);

  // 获取两个日期GTM时间
  var s = db.getTime() - 24 * 60 * 60 * 1000;
  var d = de.getTime() - 24 * 60 * 60 * 1000;

  // 获取到两个日期之间的每一天的毫秒数
  for (var i = s; i <= d;) {
    i = i + 24 * 60 * 60 * 1000;
    arr.push(parseInt(i))
  }

  // 获取每一天的时间  YY-MM-DD
  for (var j in arr) {
    var time = new Date(arr[j]);
    var year = time.getFullYear(time);
    var month = (time.getMonth() + 1) >= 10 ? (time.getMonth() + 1) : (time.getMonth() + 1);
    var day = time.getDate() >= 10 ? time.getDate() : time.getDate();
    var YYMMDD = year + '-' + month + '-' + day;




    var obj = {
      year,
      month,
      day,
    }
    dates.push(obj)
  }
  // 如果选的是同一天
  if (dates.length == 1) {
    // 某一天凌晨的毫秒数
    let second = new Date(new Date(endDay).toLocaleDateString()).getTime()
    // 特定时间的毫秒数
    dates[0].begin = new Date(starDay).getTime() - second
    dates[0].end = new Date(endDay).getTime() - second
  } else {
    for (let i = 0, len = dates.length; i < len; i++) {
      if (i == 0) {
        let second = new Date(new Date(starDay).toLocaleDateString()).getTime()

        dates[i].begin = new Date(starDay).getTime() - second
        dates[i].end = 86400 - 1

      } else if (i == len - 1) {
        let second = new Date(new Date(endDay).toLocaleDateString()).getTime()
        dates[len - 1].begin = 0
        dates[len - 1].end = new Date(endDay).getTime() - second

      } else {
        dates[i].begin = 0
        dates[i].end = 86400 - 1
      }
    }
  }

  return dates
}

onMounted(() => {
  let timeArr = ['2022-2-27 00:00:30', '2022-3-29 00:00:31']


  let allDays = getDayAll(timeArr)
  console.log('所有的时间组成的数组：', allDays)

})