function testId(value) {var vcity = {11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "內(nèi)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(tái)灣", 81: "香港", 82: "澳門", 91: "國(guó)外"};// 判斷是否為空isEmpty = function (card) {if (/^\s*$/.test(card) === true) {return true;}}//檢查號(hào)碼是否符合規(guī)范，包括長(zhǎng)度，類型 isCardNo = function (card) {if (isEmpty(card)) {return true;}//這個(gè)代碼表示身份證可以為空//身份證號(hào)碼為15位或者18位，15位時(shí)全為數(shù)字，18位前17位為數(shù)字，最后一位是校驗(yàn)位，可能為數(shù)字或字符X var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;if (reg.test(card) === false) {return false;}return true;};//取身份證前兩位,校驗(yàn)省份 checkProvince = function (card) {if (isEmpty(card)) {return true;}var province = card.substr(0, 2);if (vcity[province] == undefined) {return false;}return true;};//檢查生日是否正確 checkBirthday = function (card) {if (isEmpty(card)) {return true;}var len = card.length;//身份證15位時(shí)，次序?yàn)槭?#xff08;3位）市（3位）年（2位）月（2位）日（2位）校驗(yàn)位（3位），皆為數(shù)字 if (len == '15') {var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;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(shí)，次序?yàn)槭?#xff08;3位）市（3位）年（4位）月（2位）日（2位）校驗(yàn)位（4位），校驗(yàn)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(yàn)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(yàn)位的檢測(cè) checkParity = function (card) {if (isEmpty(card)) {return true;}//15位轉(zhuǎn)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(zhuǎn)18位身份證號(hào) 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(yàn)長(zhǎng)度，類型 if (isCardNo(card) === false) {//alert('您輸入的身份證號(hào)碼不正確，請(qǐng)重新輸入');//document.getElementById('card_no').focus;return false;}//檢查省份 if (checkProvince(card) === false) {return false;}//校驗(yàn)生日 if (checkBirthday(card) === false) {return false;}//檢驗(yàn)位的檢測(cè) if (checkParity(card) === false) {return false;}return true;}

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