const formatTime = date => {
  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 [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}
const formatTime2 = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()

  return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute].map(formatNumber).join(':')
}
const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}

let getQueryString = function (url, name) { 
  console.log("url = " + url)
  console.log("name = " + name) 
  var reg = new RegExp('(^|&|/?)' + name + '=([^&|/?]*)(&|/?|$)', 'i') 
  var r = url.substr(1).match(reg) 
  if (r != null) { console.log("r = " + r) 
  console.log("r[2] = " + r[2]) 
  return r[2] } return null; } 
  module.exports = { 
    getQueryString: getQueryString, 
    formatTime: formatTime,
    formatTime2:formatTime2
  }