js通过身份证号识别生日、性别、年龄

(13条消息) js前端通过身份证号判断年龄、性别、出生日期。_js判断性别_renlmmm的博客-CSDN博客

//通过身份证号计算年龄、性别、出生日期
function idCard(userCard, num) {
//获取出生日期
    if (num == 1) {
        birth = userCard.substring(6, 10) + "-" + userCard.substring(10, 12) + "-" + userCard.substring(12, 14);
        return birth;
    }
//获取性别
    if (num == 2) {
        if (parseInt(userCard.substr(16, 1)) % 2 == 1) {
            return "男";
        } else {
            return "女";
        }
    }
//获取年龄
    if (num == 3) {
        var myDate = new Date();
        var month = myDate.getMonth() + 1;
        var day = myDate.getDate();
        var age = myDate.getFullYear() - UUserCard.substring(6, 10) - 1;
        if (userCard.substring(10, 12) < month || userCard.substring(10, 12) == month && userCard.substring(12, 14) <= day) {
            age++;
        }
        return age;
    }
}