1 /*身份证号码检索*/  2 function cardCheck(cartNo) {  3     if (cartNo.val() === "") {  4         return false;  5     }  6     else if (cartNo.val().substring(0, 1) === " " || cartNo.val().substring(cartNo.val().length - 1, cartNo.val().length) === " ") {  7         return false;  8     }  9     else if (/\w+\s+\w+/g.test(cartNo.val())) { 10         return false; 11     } 12     else if (isCardNo(cartNo.val()) === false) { 13         return false; 14     } 15     else if (checkProvince(cartNo.val()) === false) { 16         return false; 17     } 18     else if (checkBirthday(cartNo.val()) === false) { 19         return false; 20     } 21     else if (checkParity(cartNo.val()) === false) { 22         return false; 23     } 24     return true; 25 } 26  27 /*身份证号码区号*/ 28 var vcity = { 29     11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 30     21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 31     33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 32     42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 33     51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 34     63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" 35 } 36  37 /*检查号码是否符合规范，包括长度，类型*/ 38 function isCardNo(cartNo) { 39     //身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X 40     var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)|(^\d{15}$)|(^\d{17}(\d|x)$)/; 41     if (reg.test(cartNo) === false) { 42         return false; 43     } 44     return true; 45 } 46  47 /*取身份证前两位,校验省份*/ 48 function checkProvince(cartNo) { 49     var province = cartNo.substr(0, 2); 50     if (vcity[province] == undefined) { 51         return false; 52     } 53     return true; 54 } 55  56 //检查生日是否正确*/ 57 function checkBirthday(cartNo) { 58     var len = cartNo.length; 59     /*身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字*/ 60     if (len === 15) { 61         var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/; 62         var arr_data =http://www.mamicode.com/ cartNo.match(re_fifteen); 63         var year = arr_data[2]; 64         var month = arr_data[3]; 65         var day = arr_data[4]; 66         var birthday = new Date(‘19‘ + year + ‘/‘ + month + ‘/‘ + day); 67         return verifyBirthday(‘19‘ + year, month, day, birthday); 68     } 69     //身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X*/ 70     if (len === 18) { 71         var re_eighteen = null; 72         if (cartNo.substring(17, 18) == "x") { 73             re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|x)$/; 74         } 75         if (cartNo.substring(17, 18) == "X") { 76             re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/; 77         } 78         if (cartNo.substring(17, 18) != "X" && cartNo.substring(17, 18) != "x") { 79             re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9])$/; 80         } 81         var arr_data =http://www.mamicode.com/ cartNo.match(re_eighteen); 82         var year = arr_data[2]; 83         var month = arr_data[3]; 84         var day = arr_data[4]; 85         var birthday = new Date(year + ‘/‘ + month + ‘/‘ + day); 86         return verifyBirthday(year, month, day, birthday); 87     } 88     return false; 89 } 90  91 /*校验日期*/ 92 verifyBirthday = function (year, month, day, birthday) { 93     var now = new Date(); 94     var now_year = now.getFullYear(); 95     //年月日是否合理*/ 96     if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) { 97         //判断年份的范围（3岁到100岁之间)*/ 98         var time = now_year - year; 99         if (time >= 3 && time <= 100) {100             return true;101         }102         return false;103     }104     return false;105 }106 107 /*校验位的检测*/108 function checkParity(cartNo) {109     //15位转18位*/110     cartNo = changeFivteenToEighteen(cartNo);111     if (cartNo.length === 18) {112         if (cartNo.substring(17, 18) === "x") {113             cartNo = cartNo.substring(0, 17) + "X";114         }115         var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);116         var arrCh = new Array(‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘);117         var cardTemp = 0, i, valnum;118         for (i = 0; i < 17; i++) {119             cardTemp += cartNo.substr(i, 1) * arrInt[i];120         }121         valnum = arrCh[cardTemp % 11];122         if (valnum === cartNo.substr(17, 1)) {123             return true;124         }125         return false;126     }127     return false;128 }129 130 /*15位转18位身份证号*/131 function changeFivteenToEighteen(cartNo) {132     if (cartNo.length === 15) {133         var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);134         var arrCh = new Array(‘1‘, ‘0‘, ‘X‘, ‘x‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘);135         var cardTemp = 0, i;136         cartNo = cartNo.substr(0, 6) + ‘19‘ + cartNo.substr(6, cartNo.length - 6);137         for (i = 0; i < 17; i++) {138             cardTemp += cartNo.substr(i, 1) * arrInt[i];139         }140         cartNo += arrCh[cardTemp % 11];141         return cartNo;142     }143     return cartNo;144 }