15位身份證結構：

地區代碼（6位），年（2位）月（2位）日（2位），順序碼（3位，最后1位偶數代表女，奇數代表男）

18位身份證結構：

地區代碼（6位），年（4位）月（2位）日（2位），順序碼（3位，最后1位偶數代表女，奇數代表男），校驗碼（1位）

js代碼如下：

function checkIDnumber() {var allowancePersonValue = mini.getbyName("Identitycard").getValue(); if (allowancePersonValue == " ") { mini.alert("身份證號不能為空");mini.getbyName("Identitycard").setValue("");return false;}//校驗長度，類型 else if (isCardNo(allowancePersonValue) == false) { mini.alert("您輸入的身份證號碼不正確，請重新輸入");mini.getbyName("Identitycard").setValue("");return false;}//檢查省份 else if (checkProvince(allowancePersonValue) == false) { mini.alert("您輸入的身份證號碼不正確,請重新輸入");mini.getbyName("Identitycard").setValue("");return false;}//校驗生日 else if (checkBirthday(allowancePersonValue) == false) { mini.alert("您輸入的身份證號碼生日不正確,請重新輸入");mini.getbyName("Identitycard").setValue("");return false;}//檢驗位的檢測 else if (checkParity(allowancePersonValue) == false) { mini.alert("您的身份證校驗不通過,請重新輸入");mini.getbyName("Identitycard").setValue("");return false;} else {getBirthday();getSex();return true;}}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: "云南", 54: "西藏", 61: "陜西", 62: "甘肅",63: "青海", 64: "寧夏", 65: "新疆", 71: "臺灣", 81: "香港", 82: "澳門", 91: "國外"};//檢查號碼是否符合規范，包括長度，類型 function isCardNo(card) {//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，最后一位是校驗位，可能為數字或字符X var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;if (reg.test(card) == false) {//alert("demo"); return false;}return true;}//取身份證前兩位,校驗省份 function checkProvince(card) {var province = card.substr(0, 2);if (vcity[province] == undefined) {return false;}return true;}//檢查生日是否正確 function checkBirthday(card) {//debuggervar 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 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) {//判斷年份的范圍（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 function checkParity(card) {//15位轉18位 //debuggercard = 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 function changeFivteenToEighteen(card) {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;}//通過身份證獲得出生日期function getBirthday() {var IDCardValue = mini.getbyName("Identitycard").getValue(); var len = IDCardValue.length;if (len == '15') {var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;var arr_data = IDCardValue.match(re_fifteen);var year = arr_data[2];var month = arr_data[3];var day = arr_data[4];var birthday = new Date('19' + year + '/' + month + '/' + day);mini.getbyName("Birthday").setValue(birthday);} if (len == '18') {var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;var arr_data = IDCardValue.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);mini.getbyName("Birthday").setValue(birthday);}}//通過身份證號獲取性別信息function getSex() {var IDCardValue = mini.getbyName("Identitycard").getValue();var len = IDCardValue.length;if (len == '15') { var seqNo = IDCardValue.substr(12, 3);}if (len == '18') {var seqNo = IDCardValue.substr(14, 3);}if (seqNo % 2 == 0) {var sex = "女";}if (seqNo % 2 == 1) {var sex = "男";}mini.getbyName("Sex").setValue(sex); }

總結

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