JS獲取7天后日期的方法

代碼

export function funDate (timeInterval) {
  var currDate = new Date()

  let year = currDate.getFullYear()
  let month = currDate.getMonth() + 1
  let day = currDate.getDate()
  if (parseInt(month) < 10) {
    month = '0' + month
  }
  if (parseInt(day) < 10) {
    day = '0' + day
  }
  var formatCurrDate = year + '-' + month + '-' + day// time1表示當前時間來
  console.log('formatCurrDate: ' + formatCurrDate)

  var beforeOneWeekDate = new Date(currDate)
  beforeOneWeekDate.setDate(currDate.getDate() - timeInterval)
  let year2 = beforeOneWeekDate.getFullYear()
  let month2 = beforeOneWeekDate.getMonth() + 1
  let day2 = beforeOneWeekDate.getDate()
  if (parseInt(month2) < 10) {
    month2 = '0' + month2
  }
  if (parseInt(day2) < 10) {
    day2 = '0' + day2
  }
  var formatBeforeOneWeekDate = year2 + '-' + month2 + '-' + day2
  console.log('formatBeforeOneWeekDate: ' + formatBeforeOneWeekDate)
  return formatBeforeOneWeekDate
}

調用方法

funDate(7)