// 时间戳转换为本地时间，格式为 YYYY/MM/DD hh:mm
export function TimestamptolocalTime(date) {
  if (!date || isNaN(date)) return ''

  const d = new Date(date)
  const year = d.getFullYear()
  const month = String(d.getMonth() + 1).padStart(2, '0')
  const day = String(d.getDate()).padStart(2, '0')
  const hours = String(d.getHours()).padStart(2, '0')
  const minutes = String(d.getMinutes()).padStart(2, '0')

  return `${year}/${month}/${day} ${hours}:${minutes}`
}

// 时间戳转换为北京时间，格式为 YYYY/MM/DD hh:mm
export function TimestampttoBeijingTime(date) {
  if (!date || isNaN(date)) return ''

  const d = new Date(date)
  // 北京时间是 UTC+8
  const beijingTime = new Date(d.getTime() + 8 * 60 * 60 * 1000)
  const year = beijingTime.getUTCFullYear()
  const month = String(beijingTime.getUTCMonth() + 1).padStart(2, '0')
  const day = String(beijingTime.getUTCDate()).padStart(2, '0')
  const hours = String(beijingTime.getUTCHours()).padStart(2, '0')
  const minutes = String(beijingTime.getUTCMinutes()).padStart(2, '0')

  return `${year}/${month}/${day} ${hours}:${minutes}`
}