身份证验证脚本

    var aCity={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 parseId(id){
        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 temp=0;
        id=id.substr(0,6)+'19'+id.substr(6,id.length-6);
        for(var i=0;i<id.length;i++){
            temp+=id.substr(i,1)*arrInt[i];
        }
        id += arrCh[temp % 11];
        return id;
    }

    $("#cardId").blur(function(){
        var value=$.trim($("#cardId").val());
        if (value != "") {
            if(value.length==15){
                value=parseId(value);
            }
            var iSum=0 ;
            if(!/^\d{17}(\d|x)$/i.test(value)) {
                setErrNum("cardId", false);
                insInner("cardId", "你输入的身份证长度或格式错误", false);
                return;
            }
            value=value.replace(/x$/i,"a"); 
            if(aCity[parseInt(value.substr(0,2))]==null) {
                setErrNum("cardId", false);
                insInner("cardId", "你的身份证地区非法", false);
                return;
            }
            sBirthday=value.substr(6,4)+"-"+Number(value.substr(10,2))+"-"+Number(value.substr(12,2)); 
            var d=new Date(sBirthday.replace(/-/g,"/")) ;
            if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate())) {
                setErrNum("cardId", false);
                insInner("cardId", "身份证上的出生日期非法", false);
                return;
            }
            for(var i = 17;i>=0;i--) iSum += (Math.pow(2,i) % 11) * parseInt(value.charAt(17 - i),11) ;
            if(iSum%11!=1) {
                setErrNum("cardId", false);
                insInner("cardId", "你输入的身份证号非法", false);
                return;
            }
            $.get(
                    "/userRegisterCheck?d=" + new Date().getTime(),
                    {"checkType":"papers", "checkVal":value},
                    function(data){
                        if (data.checkResult) {
                            decreaseUnDoneNum();
                            setErrNum("cardId", true);
                            delInner("cardId");
                            if (value.length==15) {
                                $("#brithday").val("19" + value.substring(6,12));
                                var sex = value.substring(14,15);
                            } else {
                                $("#brithday").val(value.substring(6,14));
                                var sex = value.substring(16,17);
                            }
                            if ((sex%2)==1) {
                                $("#sex1").attr('checked','checked');
                            } else {
                                $("#sex2").attr('checked','checked');
                            }
                            decreaseUnDoneNum();
                            setErrNum("brithday", true);
                        } else {
                            setErrNum("cardId", false);
                            insInner("cardId", "身份证已被注册", false);
                        }
                    }
                );
        } else {
            setErrNum("cardId", false);
            insInner("cardId", "请输入身份证", false);
        }
    });