身份证验证
身份证分为两类：
1、全是数字=》15位或者18位。
2、大写X=》18位，最后一位字母X，其余必需是数字。
正则：/^(\d{15}$|^\d{18}$|^\d{17}(\d|X))$/
身份验证实例：
<html>
<head><meta charset="charset=utf-8"> </head>
<body>
<input type="text" name="idc" id="idc" value=""/>
<input type="button" id="submit" value="搜索" />
<div id="div"></div>
</body>
</html>
<script type="text/javascript" src="./jquery.min.js"></script>
<script type="text/javascript">
function IdentityCodeValid(code) {
var city={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江 ",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北 ",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏 ",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外 "};
var tip = "";
var pass= true;
if(!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[12])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code)){
tip = "身份证号格式错误";
pass = false;
}
else if(!city[code.substr(0,2)]){
tip = "地址编码错误";
pass = false;
}
else{
//18位身份证需要验证最后一位校验位
if(code.length == 18){
code = code.split('');
//∑(ai×Wi)(mod 11)
//加权因子
var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
//校验位
var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];
var sum = 0;
var ai = 0;
var wi = 0;
for (var i = 0; i < 17; i++)
{
ai = code[i];
wi = factor[i];
sum += ai * wi;
}
var last = parity[sum % 11];
if(parity[sum % 11] != code[17]){
tip = "校验位错误";
pass =false;
}
}
}
if(!pass) alert(tip);
return pass;
}
$('#submit').click(function(){
var idc = $('#idc').val();
if(idc != ''){
var a = IdentityCodeValid(idc);
if(!a){
return false;
}
}else{
alert('不为空');
return false;
}
$.post("idc.php", {idc:idc}, function (data) {
$('#div').html(data.DQ+'<br/>'+data.gender+'<br/>'+data.idc+'<br/>'+data.ymd);
},'json');
});
</script>
<?php header("Content-type: text/html; charset=utf-8"); $idc=$_POST['idc']; $bm = substr($idc,0,6); $gender= ''; $ymd = ''; if(strlen($idc) == 15){ $gender = substr($idc,14,1); $ymd = '19'.substr($idc,6,2).'年'.substr($idc,8,2).'月'.substr($idc,10,2).'日'; }else if(strlen($idc) == 18){ $gender = substr($idc,16,1); $ymd = substr($idc,6,4).'年'.substr($idc,10,2).'月'.substr($idc,12,2).'日'; } if($gender%2==0){ $gender = '女'; }else{ $gender = '男'; } $link = mysqli_connect('localhost','root','root','ol_rongme'); mysqli_set_charset($link, "utf8"); $query=mysqli_query($link,"SELECT * FROM jrh_idc WHERE BM = '".$bm."'"); //MYSQLI_ASSOC这个返回的数组是以数据表中的字段为键 $row = mysqli_fetch_array($query,MYSQLI_ASSOC); $row['gender'] = $gender; $row['idc'] = $idc; $row['ymd'] = $ymd; if($row){ echo json_encode($row);die; }else{ echo "123"; } ?>
