libchinaidcard
Version:
中国居民身份证解析库
235 lines (204 loc) • 7.92 kB
JavaScript
(function() {
const weightFactor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
const checkCode = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
// 直辖市
const municipality = ['11', '12', '31', '50'];
function getCheckCode(idCard) {
var len = idCard.length;
var num = 0;
for (let i = 0; i < len; i++) {
num = num + Number(idCard.charAt(i)) * weightFactor[i];
}
return String(checkCode[num % 11]);
}
function conv15to18(idCard) {
var idCard17 = idCard.slice(0, 6) + "19" + idCard.slice(6);
return idCard17 + getCheckCode(idCard17);
}
function isVaild(idCard) {
// 代码没有任何美感, 但是很硬核
// 第一位不存在是 0 的情况
if (idCard.charAt(0) == '0') {
return false;
}
if (idCard.length == 15) {
// 验证是否都为数字
if (isNaN(Number(idCard))) {
return false;
}
idCard = conv15to18(idCard);
} else if (idCard.length == 18) {
// 验证前17位是否都为数字
if (isNaN(Number(idCard.substring(0, 17)))) {
return false;
}
// 验证校验码
if (getCheckCode(idCard.substring(0, 17)) != idCard.charAt(17)) {
return false;
}
} else {
return false;
}
// 验证日期的正确性，利用 Date 的自动纠正日期
var year = Number(idCard.substring(6, 10));
var month = Number(idCard.substring(10, 12));
var day = Number(idCard.substring(12, 14));
var birth = new Date();
birth.setFullYear(year);
birth.setMonth(month - 1);
birth.setDate(day);
// js特性,传参0就是一月了,传参11就是十二月了
if (birth.getFullYear() != year || birth.getMonth() + 1 != month || birth.getDate() != day) {
return false;
}
// 校验地区没写
return true;
}
function getBirthYear(idCard) {
return Number(idCard.substring(6, 10));
}
function getBirthMonth(idCard) {
return Number(idCard.substring(10, 12));
}
function getBirthDay(idCard) {
return Number(idCard.substring(12, 14));
}
function getBirthDate(idCard) {
return {
year: Number(idCard.substring(6, 10)),
month: Number(idCard.substring(10, 12)),
day: Number(idCard.substring(12, 14))
};
}
// m 是男, f 是女
function getSex(idCard) {
return Number(idCard.charAt(16)) % 2 != 0 ? 'm' : 'f';
}
/*
解析前 请把整理成这样
我一般用sublimetext的正则来整理
130000 河北省
130100 石家庄市
130102 长安区
130104 桥西区
130105 新华区
130200 唐山市
130202 路南区
130203 路北区
*/
/*
与 直接解析 相比，解析json 快一倍
当然我电脑是这样
解析json (推荐)
const areaData = require("./data/xzqh2020.json");
直接解析
const areaData = parseAreaData("./data/xzqh2020.txt");
*/
function parseAreaData(file) {
var list = require("fs").readFileSync(file, "UTF-8").split("\n")
for (var i in list) {
list[i] = list[i].split(" ")
list[i][0] = [list[i][0].substring(0, 2), list[i][0].substring(2, 4), list[i][0].substring(4, 6)]
list[i][2] = []
}
// list 里面长这样 [ [["11","00","00"],"北京市",[...]], ...]
var tree = [];
var provinceIndex = 0
var cityIndex = 0
for (var i = 0, len = list.length; i < len; i++) {
if (typeof tree[provinceIndex - 1] == "undefined" || list[i][0][0] != tree[provinceIndex - 1][0][0]) {
// 不同的省
tree.push(list[i]);
provinceIndex++;
cityIndex = 0;
} else {
// 同省,可能是市或区
//console.log(list[i][1],municipality.indexOf(list[i][0][0])!=-1)
if (
typeof tree[provinceIndex - 1][2][cityIndex - 1] == "undefined" ||
list[i][0][1] != tree[provinceIndex - 1][2][cityIndex - 1][0][1] ||
municipality.indexOf(list[i][0][0]) != -1 ||
(list[i][0][0] == "65" && list[i][0][1] == "90") /* 石河子市以及以下比较特殊，它们不在阿勒泰地区，是并列的 */
) {
// 不同的市
tree[provinceIndex - 1][2].push(list[i]);
cityIndex++;
} else {
// 同市,都是区
tree[provinceIndex - 1][2][cityIndex - 1][2].push(list[i]);
}
}
}
return tree;
}
// # 加载行政区划代码库
// getAreaData: 12.147ms
// console.time('getAreaData');
const areaData = require("./data/xzqh2020.json");
// console.timeEnd('getAreaData');
// # 解析行政区划代码库(用于测试)
// parseAreaData: 19.494ms
// console.time('parseAreaData');
// const areaData0 = parseAreaData("./data/xzqh2020.txt");
// console.timeEnd('parseAreaData');
// # 保存文件
// require("fs").writeFileSync("xzqh2020.json", JSON.stringify(areaData, null, 4), "UTF-8")
function getBirthplace(idCard) {
var provinceCode = idCard.substring(0, 2);
var cityCode = idCard.substring(2, 4);
var districtCode = idCard.substring(4, 6);
var area = {};
/* 石河子市以及以下比较特殊，它们不在阿勒泰地区，是并列的 */
if (municipality.indexOf(provinceCode) != -1 || (provinceCode == "65" && cityCode == "90")) {
for (var i in areaData) {
if (areaData[i][0][0] == provinceCode) {
area.province = areaData[i][1]
for (var j in areaData[i][2]) {
if (areaData[i][2][j][0][2] == districtCode) {
area.city = areaData[i][2][j][1];
}
}
}
}
} else {
for (var i in areaData) {
if (areaData[i][0][0] == provinceCode) {
area.province = areaData[i][1]
for (var j in areaData[i][2]) {
if (areaData[i][2][j][0][1] == cityCode) {
area.city = areaData[i][2][j][1]
for (var k in areaData[i][2][j][2]) {
if (areaData[i][2][j][2][k][0][2] == districtCode) {
area.district = areaData[i][2][j][2][k][1];
}
}
}
}
}
}
}
return area;
}
function getDetails(idCard) {
return {
year: getBirthYear(idCard),
month: getBirthMonth(idCard),
day: getBirthDay(idCard),
sex: getSex(idCard),
birthplace: getBirthplace(idCard)
};
}
// 没错就是这么暴力
// 不会更方便的写法
module.exports.getCheckCode = getCheckCode;
module.exports.conv15to18 = conv15to18;
module.exports.isVaild = isVaild;
module.exports.getBirthYear = getBirthYear;
module.exports.getBirthMonth = getBirthMonth;
module.exports.getBirthDay = getBirthDay;
module.exports.getBirthDate = getBirthDate;
module.exports.getSex = getSex;
module.exports.parseAreaData = parseAreaData;
module.exports.getBirthplace = getBirthplace;
module.exports.getDetails = getDetails;
})();