code: function showtime(created_at) {
      //补0
      function addzero(i) {
        return i<10 ? '0'+i : i
      }
  
      var time = new Date(created_at);
      var year = time.getFullYear();
      var month = time.getMonth() + 1;
      var date = time.getDate();
      var hour = addzero(time.getHours());
      var minute = addzero(time.getMinutes());
  
      var timestr = month + "月" + date + "日" + hour + ":" + minute;
  
      //360天前的微博显示年份
      var now = new Date();
      if (now.getTime() - time.getTime() > 31104000000) {
        return year + "年" + timestr;
      }
      return timestr;
    }
docs: 重写时间样式
  未考虑时区显示!
  @param {String} created_at 微博status.created_at时间字串
  @return {String}