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//身份证省的编码
let idCityCode = {
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"
};
/**
* 取身份证前两位,校验省份
*/
export function checkIDCard_province(card) {
var province = card.substr(0, 2);
if (idCityCode[province] == undefined) {
return false;
}
return true;
}
/**
* 校验身份证中生日是否正确
*/
export function checkIDCard_birthday(card) {
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})$/;
var arr_data = card.match(re_fifteen);
var year = arr_data[2];
var month = arr_data[3];
var day = arr_data[4];
var birthday = new Date('19' + year + '/' + month + '/' + day);
return verifyBirthday('19' + year, month, day, birthday);
}
//身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X
if (len == 18) {
var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X|x)$/;
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
*/
export function verifyBirthday(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;
}
/**
* 身份证号码最后一位,检验位的检测
*/
export function checkParity(card) {
//15位转18位
card = changeFivteenToEighteen(card);
if (card.length == 18) {
card = card.split('');
//∑(ai×Wi)(mod 11)
//加权因子
var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
//校验位
var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];
var sum = 0;
var ai = 0;
var wi = 0;
for (var i = 0; i < 17; i++) {
ai = card[i];
wi = factor[i];
sum += ai * wi;
}
var last = parity[sum % 11];
if(last == card[17].toUpperCase()){
return true;
}
}
return false;
}
/**
* 15位转18位身份证号
*/
export function changeFivteenToEighteen(card) {
if (card.length == '15') {
var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
var arrCh = ['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;
}