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113 lines
3.7 KiB
113 lines
3.7 KiB
2 years ago
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//身份证省的编码
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let idCityCode = {
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11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古",
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21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏",
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33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南",
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42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆",
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51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃",
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63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外"
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};
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/**
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* 取身份证前两位,校验省份
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*/
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export function checkIDCard_province(card) {
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var province = card.substr(0, 2);
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if (idCityCode[province] == undefined) {
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return false;
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}
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return true;
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}
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/**
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* 校验身份证中生日是否正确
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*/
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export function checkIDCard_birthday(card) {
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var len = card.length;
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//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
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if (len == 15) {
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var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
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var arr_data = card.match(re_fifteen);
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var year = arr_data[2];
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var month = arr_data[3];
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var day = arr_data[4];
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var birthday = new Date('19' + year + '/' + month + '/' + day);
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return verifyBirthday('19' + year, month, day, birthday);
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}
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//身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X
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if (len == 18) {
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var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X|x)$/;
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var arr_data = card.match(re_eighteen);
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var year = arr_data[2];
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var month = arr_data[3];
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var day = arr_data[4];
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var birthday = new Date(year + '/' + month + '/' + day);
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return verifyBirthday(year, month, day, birthday);
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}
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return false;
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}
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/**
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* 校验日期
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*/
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export function verifyBirthday(year, month, day, birthday) {
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var now = new Date();
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var now_year = now.getFullYear();
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//年月日是否合理
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if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
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//判断年份的范围（3岁到100岁之间)
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var time = now_year - year;
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if (time >= 3 && time <= 100) {
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return true;
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}
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return false;
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}
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return false;
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}
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/**
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* 身份证号码最后一位，检验位的检测
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*/
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export function checkParity(card) {
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//15位转18位
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card = changeFivteenToEighteen(card);
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if (card.length == 18) {
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card = card.split('');
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//∑(ai×Wi)(mod 11)
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//加权因子
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var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
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//校验位
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var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];
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var sum = 0;
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var ai = 0;
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var wi = 0;
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for (var i = 0; i < 17; i++) {
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ai = card[i];
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wi = factor[i];
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sum += ai * wi;
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}
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var last = parity[sum % 11];
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if(last == card[17].toUpperCase()){
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return true;
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}
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}
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return false;
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}
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/**
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* 15位转18位身份证号
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*/
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export function changeFivteenToEighteen(card) {
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if (card.length == '15') {
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var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
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var arrCh = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
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var cardTemp = 0, i;
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card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);
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for (i = 0; i < 17; i++) {
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cardTemp += card.substr(i, 1) * arrInt[i];
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}
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card += arrCh[cardTemp % 11];
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return card;
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}
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return card;
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}
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