matrix_spraying_vue/src/utils/index.ts

export function isValidIPv4(ip: string) {
	const ipv4Regex = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
	return ipv4Regex.test(ip);
}
export function formatRemainTime(seconds: number) {
	const min = Math.floor(seconds / 60).toFixed();
	const sec = (seconds % 60).toFixed();
	return min.padStart(2, "0") + ":" + sec.padStart(2, "0");
}

export function timestampToDate(timestamp:number, format = 'YYYY-MM-DD HH:mm:ss') {
  // 创建 Date 对象
  const date = new Date(timestamp);

  // 如果时间戳无效，返回错误信息
  if (isNaN(date.getTime())) {
    return '时间戳无效';
  }

  // 提取日期和时间部分
  const year = String(date.getFullYear())
  const month = String(date.getMonth() + 1).padStart(2, '0'); // 月份从 0 开始，需要加 1
  const day = String(date.getDate()).padStart(2, '0');
  const hours = String(date.getHours()).padStart(2, '0');
  const minutes = String(date.getMinutes()).padStart(2, '0');
  const seconds = String(date.getSeconds()).padStart(2, '0');

  // 根据传入的格式返回日期字符串
  return format
    .replace('YYYY', year)
    .replace('MM', month)
    .replace('DD', day)
    .replace('HH', hours)
    .replace('mm', minutes)
    .replace('ss', seconds);
}