关于javascript:JS校验身份证号

原文链接: js最全身份证号码校验

function validateIdCard (idCard) {    let vcity = {        11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古",        21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏",        33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南",        42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆",        51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃",        63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外"    };    //是否为空    if (idCard === "") {        return false;    }    //校验长度，类型    if (isCardNo(idCard) === false) {        return false;    }    //查看省份    if (checkProvince(idCard, vcity) === false) {        return false;    }    //校验生日    if (checkBirthday(idCard) === false) {        return false;    }    //检验位的检测    if (checkParity(idCard) === false) {        return false;    }    return true;}

// 校验号码长度、类型function isCardNo (card) {    // 身份证号码为15位或者18位，    // 15位时全为数字，18位前17位为数字，    // 最初一位是校验位，可能为数字或字符X    let reg = /(^\d{15}$)|(^\d{17}(\d|X|x)$)/;    if (reg.test(card) === false) {        return false;    }    return true;}

// 校验省份，取号码前两位function checkProvince (card, vcity) {    let province = card.substr(0, 2);    if (vcity[province] == undefined) {        return false;    }    return true;}

// 校验日期function verifyBirthday (year, month, day, birthday) {    let date = new Date();    // 校验年月日    if (birthday.getFullYear() == year        && (birthday.getMonth() + 1) == month        && birthday.getDate() == day) {        // 判断年份的范畴（0岁到100岁)        let time = date.getFullYear() - year;        if (time >= 0 && time <= 100) {            return true;        }        return false;    }    return false;}

// 校验生日function checkBrithday (card) {    let len = card.length;    // 身份证15位时，    // 秩序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），    // 皆为数字    if (len == "15") {        let re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;        let arr_data = card.match(re_fifteen);        let year = arr_data[2];        let month = arr_data[3];        let day = arr_data[4];        let birthday = new Date("19" + year + '/' + month + '/' + day);        return verifyBirthday("19" + year, month, day, birthday);    }    // 身份证18位时，    // 秩序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），    // 校验位开端可能为X    if (len == "18") {        let re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X|x)$/;        let arr_data = card.match(re_eighteen);        let year = arr_data[2];        let month = arr_data[3];        let day = arr_data[4];        let birthday = new Date(year + '/' + month + '/' + day);        return verifyBirthday(year, month, day, birthday);    }    return false;}

// 15位转18位身份证号function changeFiveteenToEighteen (card) {    if (card.length == "15") {        let arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];        let arrCh = ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"];        let cardTemp = 0, i;        card = card.substr(0, 6) + "19" + card.substr(6, card.length - 6);        for (i = 0; i < 17; i++) {            cardTemp += card.substr(i, 1) * arrInt[i];        }        card += arrCh[cardTemp % 11];        return card;    }    return card;}

// 检测校验位function checkParity (card) {    // 15位转18位    card = changeFiveteenToEighteen(card);    let len = card.length;    if (len == "18") {        let arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];        let arrCh = ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"];        let cardTemp = 0, i, valnum;        for (i = 0; i < 17; i++) {            cardTemp += card.substr(i, 1) * arrInt[i];        }        valnum = arrCh[cardTemp % 11];        if (valnum == card.substr(17, 1).toLocaleUpperCase()) {            return true;        }        return false;    }    return false;}