备份:前端时间格式转换(格式化时间)

// 格式化时间
function parseTime(time, cFormat) {
      if (arguments.length === 0) {
        return null
      }
      const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
      let date
      if (typeof time === 'object') {
        date = time
      } else {
        if (typeof time === 'string' && /^[0-9]+$/.test(time)) {
          time = parseInt(time)
        }
        if (typeof time === 'number' && time.toString().length === 10) {
          time = time * 1000
        }
        date = new Date(time)
      }
      const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay()
      }
      const timeStr = format.replace(/{([ymdhisa])+}/g, (result, key) => {
        const value = formatObj[key]
        // Note: getDay() returns 0 on Sunday
        if (key === 'a') {
          return ['日', '一', '二', '三', '四', '五', '六'][value]
        }
        return value.toString().padStart(2, '0')
      })
      return timeStr
}