前往小程序,Get更优阅读体验!
立即前往
首页
学习
活动
专区
工具
TVP
发布
社区首页 >专栏 >JS身份证真实性验证

JS身份证真实性验证

作者头像
闻语博客
发布2021-01-21 17:22:44
2.4K0
发布2021-01-21 17:22:44
举报
文章被收录于专栏:闻语博客闻语博客
代码语言:javascript
复制
if (testId('320888888888888888') == false) {
    layer.msg("身份证号不正确!");
    return false;
}
代码语言:javascript
复制
//身份证真实性验证
function testId(value) {
    var 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"
    };

    // 判断是否为空
    isEmpty = function (card) {
        if (/^\s*$/.test(card) === true) {
            return true;
        }
    }
    //检查号码是否符合规范,包括长度,类型  
    isCardNo = function (card) {
        if (isEmpty(card)) {
            return true;
        }
        //这个代码表示身份证可以为空
        //身份证号码为15位或者18位,15位时全为数字,18位前17位为数字,最后一位是校验位,可能为数字或字符X  
        var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
        if (reg.test(card) === false) {
            return false;
        }


        return true;
    };

    //取身份证前两位,校验省份  
    checkProvince = function (card) {
        if (isEmpty(card)) {
            return true;
        }
        var province = card.substr(0, 2);
        if (vcity[province] == undefined) {
            return false;
        }
        return true;
    };

    //检查生日是否正确  
    checkBirthday = function (card) {
        if (isEmpty(card)) {
            return true;
        }
        var len = card.length;
        //身份证15位时,次序为省(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') {
            var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
            var arr_data = card.match(re_fifteen);
            var year = arr_data[2];
            var month = arr_data[3];
            var day = arr_data[4];
            var birthday = new Date('19' + year + '/' + month + '/' + day);
            return verifyBirthday('19' + year, month, day, birthday);
        }
        //身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X  
        if (len == '18') {
            var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
            var arr_data = card.match(re_eighteen);
            var year = arr_data[2];
            var month = arr_data[3];
            var day = arr_data[4];
            var birthday = new Date(year + '/' + month + '/' + day);
            return verifyBirthday(year, month, day, birthday);
        }
        return false;
    };

    //校验日期  
    verifyBirthday = function (year, month, day, birthday) {
        var now = new Date();
        var now_year = now.getFullYear();
        //年月日是否合理  
        if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
            //判断年份的范围(3岁到100岁之间)  
            var time = now_year - year;
            if (time >= 3 && time <= 100) {
                return true;
            }
            return false;
        }
        return false;
    };

    //校验位的检测  
    checkParity = function (card) {
        if (isEmpty(card)) {
            return true;
        }
        //15位转18位  
        card = changeFivteenToEighteen(card);
        var len = card.length;
        if (len == '18') {
            var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
            var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
            var 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)) {
                return true;
            }
            return false;
        }
        return false;
    };

    //15位转18位身份证号  
    changeFivteenToEighteen = function (card) {
        if (isEmpty(card)) {
            return true;
        }
        if (card.length == '15') {
            var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
            var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
            var 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;
    };

    //checkCard = function () {
    var card = value;
    //校验长度,类型  
    if (isCardNo(card) === false) {
        //alert('您输入的身份证号码不正确,请重新输入');
        //document.getElementById('card_no').focus;
        return false;
    }
    //检查省份  
    if (checkProvince(card) === false) {
        return false;
    }
    //校验生日  
    if (checkBirthday(card) === false) {
        return false;
    }
    //检验位的检测  
    if (checkParity(card) === false) {
        return false;
    }

    return true;
}
本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。
原始发表:2019 年 07 月,如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自 作者个人站点/博客 前往查看

如有侵权,请联系 cloudcommunity@tencent.com 删除。

本文参与 腾讯云自媒体同步曝光计划  ,欢迎热爱写作的你一起参与!

评论
登录后参与评论
0 条评论
热度
最新
推荐阅读
领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档