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function checkIdCard(){ 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"}, card = $(‘#card_no‘).val(), errorwrap=$(‘#card_no‘).parent().next(); if(card===‘‘){//是否为空 errorwrap.html(‘<i class="icon_no"></i><em class="c_error">请输入身份证号,身份证号不能为空</em>‘); document.getElementById(‘card_no‘).focus; return false; } if(isCardNo(card) === false){//校验长度,类型 errorwrap.html(‘<i class="icon_no"></i><em class="c_error">您输入的身份证号码不正确,请重新输入</em>‘); document.getElementById(‘card_no‘).focus; return false; } if(checkProvince(card) === false){//检查省份 errorwrap.html(‘<i class="icon_no"></i><em class="c_error">您输入的身份证号码不正确,请重新输入</em>‘); document.getElementById(‘card_no‘).focus; return false; } if(checkBirthday(card) === false){//校验生日 errorwrap.html(‘<i class="icon_no"></i><em class="c_error">您输入的身份证号码生日不正确,请重新输入</em>‘); document.getElementById(‘card_no‘).focus(); return false; } if(checkParity(card) === false){//检验位的检测 errorwrap.html(‘<i class="icon_no"></i><em class="c_error">您的身份证校验位不正确,请重新输入</em>‘); document.getElementById(‘card_no‘).focus(); return false; } errorwrap.html(‘<i class="icon_yes"></i>‘); 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; } //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})$/, arr_data = card.match(re_fifteen), year = arr_data[2], month = arr_data[3], day = arr_data[4], birthday = new Date(‘19‘+year+‘/‘+month+‘/‘+day); return verifyBirthday(‘19‘+year,month,day,birthday); } //身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X if(len == ‘18‘){ var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/, arr_data = card.match(re_eighteen), year = arr_data[2], month = arr_data[3], day = arr_data[4], 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; } //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; } //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), arrCh = new Array(‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘), 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), arrCh = new Array(‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘), 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; } }
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原文地址:http://www.cnblogs.com/xupeiyu/p/4941764.html