`

身份证验证JS

    博客分类:
  • js
阅读更多

http://www.cnblogs.com/jiandanfy/articles/1061248.html

 

<body test="green" ><center><br><br><br><br><br><br><br><br>
<script language="javascript">
//日期 初步验证
function isValidDate(day, month, year) {

        if (month == 2) {
            var leap = (year % 4 == 0 &&
               (year % 100 != 0 || year % 400 == 0));
            if (day>29 || (day == 29 && !leap)) {
                return false;
            }
        }
        return true;
}
 
function checkId(pId){
    var arrVerifyCode = [1,0,"x",9,8,7,6,5,4,3,2];
    var Wi = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];
    var Checker = [1,9,8,7,6,5,4,3,2,1,1];
    if(pId.length != 15 && pId.length != 18)    return "身份证号共有 15 码或18位";
    var Ai=pId.length==18?pId.substring(0,17):pId.slice(0,6)+"19"+pId.slice(6,16);
    if (!/^\d+$/.test(Ai)) return "身份证除最后一位外,必须为数字!";
    var yyyy=Ai.slice(6,10),mm=Ai.slice(10,12)-1,dd=Ai.slice(12,14);
    var d=new Date(yyyy,mm,dd),year=d.getFullYear(),mon=d.getMonth(),day=d.getDate(),now=new Date();
    if (year!=yyyy || mon!=mm || day!=dd || d>now || now.getFullYear()-year>110 ||!isValidDate(dd, mm, yyyy) ) return "身份证输入错误!";
    for(var i=0,ret=0;i<17;i++)  ret+=Ai.charAt(i)*Wi[i];    
    Ai+=arrVerifyCode[ret %=11];      
    return pId.length ==18 && pId.toLowerCase() != Ai?"身份证输入错误!":Ai;
};
function getInfo(id){              
    //根据身份证取 省份,生日,性别  
    id=checkId(id)
    var fid=id.substring(0,16),lid=id.substring(17);
    if (isNaN(fid)|| ( isNaN(lid) && (lid!="x") )) return "错误的身份证号码"    
    var id=String(id),sex=id.slice(14,17)%2?"男":"女"
    prov=areaCode[id.slice(0,6)] || areaCode[id.slice(0,4)] || areaCode[id.slice(0,2)] || "无法确定"
    var birthday=(new Date(id.slice(6,10),id.slice(10,12)-1,id.slice(12,14))).toLocaleDateString()  
    return [prov,birthday,sex]   
}
function test(){
    var cid = document.getElementById("cid");
    alert(getInfo(cid.value)) ;
}
 
</script>
<form>
<input type="text" id="cid">
<input type="button" onclick="test()" value="检查输入的身份证号是否正确"> </form>
<center><body>
 

 

 

 

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2 楼 sun17921 2010-06-29  
var areaCode ={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"}
1 楼 sun17921 2010-06-29  
areaCode 未被定义

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