function timestampToTime(timestamp) {
    var date = new Date(timestamp * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
    var Y = date.getFullYear() + '-';
    var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
    var D = date.getDate() + ' ';
    var h = date.getHours() + ':';
    var m = date.getMinutes() + ':';
    var s = date.getSeconds();
    return Y + M + D + h + m + s;
  }
  function timestampToTime_week(timestamp) {
    var date = new Date(timestamp * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
    var Y = date.getFullYear() + '-';
    var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
    var D = date.getDate() + ' ';
    var days = date.getDay();
    switch (days) {
      case 1:
        days = '星期一';
        break;
      case 2:
        days = '星期二';
        break;
      case 3:
        days = '星期三';
        break;
      case 4:
        days = '星期四';
        break;
      case 5:
        days = '星期五';
        break;
      case 6:
        days = '星期六';
        break;
      case 0:
        days = '星期日';
        break;
    }
    return Y + M + D + days;
  }
  function timestampToTime_time(timestamp) {
    var date = new Date(timestamp * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
    var h = date.getHours() + ':';
    var m = date.getMinutes();
    return h + m;
  }