formatDate(time) {
const date = new Date(time*1000);
const year = date.getFullYear();
const month = String(date.getMonth() + 1).padStart(2, '0'); // 月份从0开始,所以加1,并用0填充
const day = String(date.getDate()).padStart(2, '0'); // 用0填充
const hours = String(date.getHours()).padStart(2, '0'); // 用0填充
const minutes = String(date.getMinutes()).padStart(2, '0'); // 用0填充
return `${year}-${month}-${day} ${hours}:${minutes}`;
}