jQuery 身份證驗證
阿新 • • 發佈:2019-01-24
function testId(value) {
var vcity = {
11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "內蒙古",
21: "遼寧", 22: "吉林", 23: "黑龍江", 31: "上海", 32: "江蘇",
33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山東", 41: "河南",
42: "湖北", 43: "湖南", 44 : "廣東", 45: "廣西", 46: "海南", 50: "重慶",
51: "四川", 52: "貴州", 53: "雲南", 54: "西藏", 61: "陝西", 62: "甘肅",
63: "青海", 64: "寧夏", 65: "新疆", 71: "臺灣", 81: "香港", 82: "澳門", 91: "國外"
};
// 判斷是否為空
isEmpty = function (card) {
if (/^\s*$/.test(card) === true ) {
return true;
}
}
//檢查號碼是否符合規範,包括長度,型別
isCardNo = function (card) {
if (isEmpty(card)) {
return true;
}
//這個程式碼表示身份證可以為空
//身份證號碼為15位或者18位,15位時全為數字,18位前17位為數字,最後一位是校驗位,可能為數字或字元X
var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
if (reg.test(card) === false) {
return false;
}
return true;
};
//取身份證前兩位,校驗省份
checkProvince = function (card) {
if (isEmpty(card)) {
return true;
}
var province = card.substr(0, 2);
if (vcity[province] == undefined) {
return false;
}
return true;
};
//檢查生日是否正確
checkBirthday = function (card) {
if (isEmpty(card)) {
return true;
}
var len = card.length;
//身份證15位時,次序為省(3位)市(3位)年(2位)月(2位)日(2位)校驗位(3位),皆為數字
if (len == '15') {
var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
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);
}
//身份證18位時,次序為省(3位)市(3位)年(4位)月(2位)日(2位)校驗位(4位),校驗位末尾可能為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;
};
//校驗日期
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) {
//判斷年份的範圍(3歲到100歲之間)
var time = now_year - year;
if (time >= 3 && time <= 100) {
return true;
}
return false;
}
return false;
};
//校驗位的檢測
checkParity = function (card) {
if (isEmpty(card)) {
return true;
}
//15位轉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位轉18位身份證號
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;
//校驗長度,型別
if (isCardNo(card) === false) {
//alert('您輸入的身份證號碼不正確,請重新輸入');
//document.getElementById('card_no').focus;
return false;
}
//檢查省份
if (checkProvince(card) === false) {
return false;
}
//校驗生日
if (checkBirthday(card) === false) {
return false;
}
//檢驗位的檢測
if (checkParity(card) === false) {
return false;
}
return true;
}