<div style="padding:20px 40px;">
<h1 style="font-size:20px;color:#999;">身份证查询</h1>
<input type="text" placeholder="输入身份证号" id="code">
<input type="button" value="查询" id="btn">
<p id="home"><strong>籍 贯：</strong><span></span></p>
<p id="birthday"><strong>出生日期：</strong><span></span></p>
<p id="sex"><strong>性 别：</strong><span></span></p>
</div>
<script type="text/javascript">
//去掉字符串头尾空格
var home='',birthday='',sex='';
function trim(str) {
return str.replace(/^/s*|/s*$/g, "");
}
//验证身份证
function IdentityCodeValid(code) {
code=trim(code);
var city={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江 ",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北 ",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏 ",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门"};
if(!code || !/^/d{6}(18|19|20)?/d{2}(0[1-9]|1[012])(0[1-9]|[12]/d|3[01])/d{3}(/d|X)$/i.test(code)){
alert("身份证号格式错误");
home='',birthday='',sex='';
return false;
}
if(!city[code.substring(0,2)]){
alert("地址编码错误");
home='',birthday='',sex='';
return false;
}
if(code.length == 18){ //18位身份证需要验证最后一位校验位
var codeArr = code.split('');
var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ]; //加权因子
var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ]; //校验位
var sum = 0;
for (var i = 0; i < 17; i++){
sum += codeArr[i] * factor[i];
}
if(parity[sum % 11] != codeArr[17]){
alert("校验位错误");
home='',birthday='',sex='';
return false;
}
}
//省份
home = city[code.substring(0,2)];
//生日
birthday = code.substring(6,10)+'年'+code.substring(10,12)+'月'+code.substring(12,14)+'日';
//性别
if(code.length==15){
sex = code.substring(14,15)%2==0 ? '女':'男';
}else if(code.length==18){
sex = code.substring(14,17)%2==0 ? '女':'男';
}
}
//输出结果
document.querySelector('#btn').onclick=function(){
var code=document.querySelector('#code').value;
IdentityCodeValid(code);
document.querySelector('#home span').innerHTML=home;
document.querySelector('#birthday span').innerHTML=birthday;
document.querySelector('#sex span').innerHTML=sex;
}
</script>
