mysql 非法日期

function isValidDate(dateString) {
    const datePattern = /^\d{4}-\d{2}-\d{2}$/;
    if (!datePattern.test(dateString)) return false;

    const date = new Date(dateString);
    if (isNaN(date.getTime())) return false;

    const year = date.getFullYear();
    const month = ('0' + (date.getMonth() + 1)).slice(-2);
    const day = ('0' + date.getDate()).slice(-2);

    return date.toISOString().slice(0, 10) === `${year}-${month}-${day}`;
}

console.log(isValidDate('2023-13-01')); // false
console.log(isValidDate('2023-02-29')); // false (非闰年)
console.log(isValidDate('2024-02-29')); // true (闰年)

from datetime import datetime

def is_valid_date(date_string):
    try:
        datetime.strptime(date_string, '%Y-%m-%d')
        return True
    except ValueError:
        return False

print(is_valid_date('2023-13-01'))  # False
print(is_valid_date('2023-02-29'))  # False (非闰年)
print(is_valid_date('2024-02-29'))  # True (闰年)