SOURCE

function formatTime(time) {
  if (typeof time !== 'number' || time < 0) {
    return time
  }

  var hour = parseInt(time / 3600) time = time % 3600
  var minute = parseInt(time / 60) time = time % 60
  var second = time

  return ([hour, minute, second]).map(function(n) {
    n = n.toString() return n[1] ? n: '0' + n
  }).join(':')
}

function formatLocation(longitude, latitude) {
  if (typeof longitude === 'string' && typeof latitude === 'string') {
    longitude = parseFloat(longitude) latitude = parseFloat(latitude)
  }

  longitude = longitude.toFixed(2) latitude = latitude.toFixed(2)

  return {
    longitude: longitude.toString().split('.'),
    latitude: latitude.toString().split('.')
  }
}
var dateUtils = {
  UNITS: {
    '年': 31557600000,
    '月': 2629800000,
    '天': 86400000,
    '小时': 3600000,
    '分钟': 60000,
    '秒': 1000
  },
  humanize: function(milliseconds) {
    var humanize = '';
    for (var key in this.UNITS) {
      if (milliseconds >= this.UNITS[key]) {
        humanize = Math.floor(milliseconds / this.UNITS[key]) + key + '前';
        break;
      }
    }
    return humanize || '刚刚';
  },
  format: function(dateStr) {
    var date = this.parse(dateStr) var diff = Date.now() - date.getTime();
    if (diff < this.UNITS['天']) {
      return this.humanize(diff);
    }
    var _format = function(number) {
      return (number < 10 ? ('0' + number) : number);
    };
    return date.getFullYear() + '/' + _format(date.getMonth() + 1) + '/' + _format(date.getDay()) + '-' + _format(date.getHours()) + ':' + _format(date.getMinutes());
  },
  parse: function(str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
    var a = str.split(/[^0-9]/);
    return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
  }
};