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(mén)",91:"國(guó)外" }; checkCard = function(card) { //是否為空 if(card === '') { return "請(qǐng)輸入身份證號(hào)，身份證號(hào)不能為空"; } //校驗(yàn)長(zhǎng)度，類(lèi)型 if(isCardNo(card) === false) { return "您輸入的身份證號(hào)碼不正確，請(qǐng)重新輸入"; } //檢查省份 if(checkProvince(card) === false) { return "您輸入的身份證號(hào)碼不正確,請(qǐng)重新輸入"; } //校驗(yàn)生日 if(checkBirthday(card) === false) { return "您輸入的身份證號(hào)碼生日不正確,請(qǐng)重新輸入"; } //檢驗(yàn)位的檢測(cè) if(checkParity(card) === false) { return "您的身份證校驗(yàn)位不正確,請(qǐng)重新輸入"; } return "ok"; }; //檢查號(hào)碼是否符合規(guī)范，包括長(zhǎng)度，類(lèi)型 isCardNo = function(card) { //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) { 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) { var len = card.length; //身份證15位時(shí)，次序?yàn)槭。?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})$/; var arr_data = card.match(re_fifteen); var year = arr_data[2]; var month = arr_data[3]; var day = arr_data[4]; var birthday = new Date('19'+year+'/'+month+'/'+day); return verifyBirthday('19'+year,month,day,birthday); } //身份證18位時(shí)，次序?yàn)槭。?位）市（3位）年（4位）月（2位）日（2位）校驗(yàn)位（4位），校驗(yàn)位末尾可能為X if(len == '18') { var re_eighteen = /^(/d{6})(/d{4})(/d{2})(/d{2})(/d{3})([0-9]|X)$/; 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) { //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(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; };