export function formatDateTime() { const now = new Date(); // 获取年份、月份、日期、小时、分钟、秒数 const year = now.getFullYear(); const month = String(now.getMonth() + 1).padStart(2, '0'); // 月份从0开始,需要加1 const day = String(now.getDate()).padStart(2, '0'); const hours = String(now.getHours()).padStart(2, '0'); const minutes = String(now.getMinutes()).padStart(2, '0'); const seconds = String(now.getSeconds()).padStart(2, '0'); // 拼接成需要的格式 const formattedDateTime = `${year}-${month}-${day}T${hours}:${minutes}:${seconds}`; return formattedDateTime; }