js 校验时间

function isValidDateFormat(dateString, format) {
    const regex = /^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/;
    if (!regex.test(dateString)) return false;
    const [, year, month, day, hour, minute, second] = dateString.match(regex);
    const date = new Date(dateString);
    return date.getFullYear() == year && date.getMonth() + 1 == month && date.getDate() == day &&
           date.getHours() == hour && date.getMinutes() == minute && date.getSeconds() == second;
}

console.log(isValidDateFormat("2023-10-05 12:34:56", "YYYY-MM-DD HH:mm:ss")); // true

function isTimeInRange(startTime, endTime, checkTime) {
    const start = new Date(startTime).getTime();
    const end = new Date(endTime).getTime();
    const check = new Date(checkTime).getTime();
    return check >= start && check <= end;
}

console.log(isTimeInRange("2023-10-05 09:00:00", "2023-10-05 18:00:00", "2023-10-05 12:00:00")); // true

function isValidDate(dateString) {
    const date = new Date(dateString);
    return !isNaN(date.getTime());
}

console.log(isValidDate("2023-10-05 12:34:56")); // true
console.log(isValidDate("2023-02-30 12:34:56")); // false