js時間日期轉換

1.DD/MM/YYYY to YYYY-MM-DD日期格式转换

const YYYYMMDD = time.replace(/\//g, '').replace(/^(\d{2})(\d{2})(\d{4})$/,"$3-$2-$1")

2.YYYY-MM-DD to DD/MM/YYYY

const YYYYMMDD = time.replace(/\-/g, '').replace(/^(\d{4})(\d{2})(\d{2})$/,"$3/$2/$1")