JS开发自己的类库实例分析

//时间戳转为具体时间
function transform(now) {
  var d = new Date(now);
  var year = d.getFullYear();
  var month = d.getMonth() + 1;
  var day = d.getDate();
  var hour = d.getHours();
  var minute = d.getMinutes();
  var second = d.getSeconds();
  if (month < 10) {
    month = "0" + month;
  }
  var date = year + "-" + month + "-" + day +
    " " + hour + ":" + minute + ":" + second;
  return date;
}

//具体时间转转为指定时间戳
function transdate(date) {
  var d = new Date();
  d.setFullYear(date.substring(0, 4));
  d.setMonth(parseInt(date.substring(5, 7)) - 1);
  d.setDate(date.substring(8, 10));
  d.setHours(date.substring(11, 13));
  d.setMinutes(date.substring(14, 16));
  d.setSeconds(date.substring(17, 19));
  return Date.parse(d) / 1000;
}

var transform = function() {
};
transform.prototype.change = function(t) {
    var d = new Date(t);
    this.year = d.getFullYear();
    this.month = d.getMonth() + 1;
    this.day = d.getDate();
    this.hour = d.getHours();
    this.minute = d.getMinutes();
    this.second = d.getSeconds();
    if (this.month < 10) {
      this.month = "0" + this.month;
    }
    this.date = this.year + "-" + this.month + "-" + this.day +
      " " + this.hour + ":" + this.minute + ":" + this.second;
    return this.date;
}