格式化时间

PrefixInteger(num, length) {
    return (Array(length).join('0') + num).slice(-length);
}
public toformatTime(time) {
    let date, year, month, day, hour, minute;
    date = new Date(time * 1000);
    if (time === 0) {
        date = new Date();
    }
    year = date.getFullYear();
    month = this.PrefixInteger(date.getMonth() + 1, 2);
    day = this.PrefixInteger(date.getDate(), 2);
    hour = this.PrefixInteger(date.getHours(), 2);
    minute = this.PrefixInteger(date.getMinutes(), 2);
    return `${year}-${month}-${day}T${hour}:${minute}`;
}