js文件导出方法，身份证号码中提取出生年月日并判断是否当天生日

//从身份证号码中提取出生年月日，判断是否当天生日
export function extractBirthday(idCard) {
    var birthday = "";
    if (idCard != null && idCard != "") {
        if (idCard.length == 15) {
            birthday = "19" + idCard.substr(6, 6);
        } else if (idCard.length == 18) {
            birthday = idCard.substr(6, 8);
        }
        birthday = birthday.replace(/(.{4})(.{2})/, "$1-$2-");
    }
    return birthday;
}

export function isTodayBirthday(birthday) {
    var today = new Date();
    var birthDate = new Date(birthday.replace(/-/g, "/"));
    return today.getMonth() === birthDate.getMonth() && today.getDate() === birthDate.getDate();
}


//使用方法
//var idCard = '37082xxxxxxx2317';
//var extractedBirthday = extractBirthday(idCard);
//console.log("出生日期:", extractedBirthday);

//var isBirthday = isTodayBirthday(extractedBirthday);
//if (isBirthday) {
//    console.log("今天是生日！");
//} else {
//    console.log("今天不是生日。");
//}