时间的转换函数

/**
 * 时间的转换函数
 * @param date Date对象
 * @param format 格式字符串
 */
 
function formatTime(date, format = 'YYYY-MM-DD HH:mm:ss') {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return format
    .replace(/YYYY/g, year)
    .replace(/MM/g, month.toString().padStart(2, '0'))
    .replace(/DD/g, day.toString().padStart(2, '0'))
    .replace(/HH/g, hour.toString().padStart(2, '0'))
    .replace(/mm/g, minute.toString().padStart(2, '0'))
    .replace(/ss/g, second.toString().padStart(2, '0'))
}