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jQuery使用正则验证15/18身份证的方法示例

更新时间:2020-05-09 05:00:01 作者:startmvc
本文实例讲述了jQuery使用正则验证15/18身份证的方法。分享给大家供大家参考,具体如下:

本文实例讲述了jQuery使用正则验证15/18身份证的方法。分享给大家供大家参考,具体如下:

最好的jQuery正则验证身份证代码:

按照身份证的算法定制而成,精确度完美支持15和18位. 错一个数字或字母都通不过,无需通过数据处理来验证


//身份证检验
var vcity={ 11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",
 21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",
 33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",
 42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",
 51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",
 63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"
};
function checkCard(card){
 //是否为空
 if(!card||!isCardNo(card)||!checkProvince(card)||!checkBirthday(card)||!checkParity(card)){
 ZlyJs.divTip("请输入正确的身份证号码");
 jQuery(".sf_list").focus();
 return false;
 }
 return true;
};
//检查号码是否符合规范,包括长度,类型
function isCardNo(card){
 //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
 var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
 if(reg.test(card) === false){
 return false;
 }
 return true;
};
//取身份证前两位,校验省份
function checkProvince(card){
 var province = card.substr(0,2);
 if(vcity[province] == undefined) {
 return false;
 }
 return true;
};
//检查生日是否正确
function checkBirthday(card){
 var len = card.length;
 //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
 if(len == '15'){
 var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
 var arr_data = card.match(re_fifteen);
 var year = arr_data[2];
 var month = arr_data[3];
 var day = arr_data[4];
 var birthday = new Date('19'+year+'/'+month+'/'+day);
 return verifyBirthday('19'+year,month,day,birthday);
 }
 //身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X
 if(len == '18'){
 var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
 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;
};
//校验日期
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){
 //判断年份的范围(3岁到100岁之间)
 var time = now_year - year;
 if(time >= 3 && time <= 100)
 {
 return true;
 }
 return false;
 }
 return false;
};
//校验位的检测
function checkParity(card){
 //15位转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位转18位身份证号
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;
};
if (!checkCard(code)) {
 alert("请输入正确的身份证号码");
 return false;
}

PS:这里再为大家提供2款非常方便的正则表达式工具供大家参考使用:

JavaScript正则表达式在线测试工具: http://tools.jb51.net/regex/javascript

正则表达式在线生成工具: http://tools.jb51.net/regex/create_reg

jQuery 正则验证 身份证