如下：
//身份证号校验
function isIdCardNo(num) {
num = num.toUpperCase();//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。
if (!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))) {
alert('输入的身份证号长度不对，或者号码不符合规定！\n15位号码应全为数字，18位号码末位可以为数字或X。');
//alert('身份证号长度不正确或不符合规定！');
return false;
}
//验证前2位，城市符合
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"};
if(aCity[parseInt(num.substr(0,2))]==null){
alert('身份证号不正确或不符合规定！');
return false;
}
//alert('城市:'+aCity[parseInt(num.substr(0,2))]);
//下面分别分析出生日期和校验位
var len, re; len = num.length;
if (len == 15) {
re = new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/);
var arrSplit = num.match(re); //检查生日日期是否正确
var dtmBirth = new Date('19' + arrSplit[2] + '/' + arrSplit[3] + '/' + arrSplit[4]);
var bGoodDay; bGoodDay = (dtmBirth.getYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
if (!bGoodDay) {
alert('身份证号的出生日期不对！');
return false;
} else { //将15位身份证转成18位 //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
var nTemp = 0, i;
num = num.substr(0, 6) + '19' + num.substr(6, num.length - 6);
for(i = 0; i < 17; i ++) {
nTemp += num.substr(i, 1) * arrInt[i];
}
num += arrCh[nTemp % 11];
return true;
}
}
if (len == 18) {
re = new RegExp(/^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);
var arrSplit = num.match(re); //检查生日日期是否正确
var dtmBirth = new Date(arrSplit[2] + "/" + arrSplit[3] + "/" + arrSplit[4]);
var bGoodDay; bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
if (!bGoodDay) {
//alert(dtmBirth.getYear());
//alert(arrSplit[2]);
alert('身份证号的出生日期不对！');
return false;
}
else { //检验18位身份证的校验码是否正确。 //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
var valnum;
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 nTemp = 0, i;
for(i = 0; i < 17; i ++) {
nTemp += num.substr(i, 1) * arrInt[i];
}
valnum = arrCh[nTemp % 11];
if (valnum != num.substr(17, 1)) {
//alert('18位身份证的校验码不正确！应该为：' + valnum);
alert('18位身份证号的校验码不正确！');
return false;
}
return true;
}
}
return false;
}
//社会信用识别码校验
function CheckSocialCreditCode(Code){
var patrn = /^[0-9A-Z]+$/; //18位校验及大写校验
if ((Code.length != 18) || (patrn.test(Code) == false)) {
alert("不是有效的统一社会信用编码！");
return false;
}
else
{
var Ancode; //统一社会信用代码的每一个值
var Ancodevalue; //统一社会信用代码每一个值的权重
var total = 0;
var weightedfactors = [1, 3, 9, 27, 19, 26, 16, 17, 20, 29, 25, 13, 8, 24, 10, 30, 28]; //加权因子
var str = '0123456789ABCDEFGHJKLMNPQRTUWXY'; //不用I、O、S、V、Z
for (var i = 0; i < Code.length - 1; i++){
Ancode = Code.substring(i, i + 1);
Ancodevalue = str.indexOf(Ancode);
total = total + Ancodevalue * weightedfactors[i]; //权重与加权因子相乘之和
}
var logiccheckcode = 31 - total % 31;
if (logiccheckcode == 31){
logiccheckcode = 0;
}
var Str = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,J,K,L,M,N,P,Q,R,T,U,W,X,Y";
var Array_Str = Str.split(',');
logiccheckcode = Array_Str[logiccheckcode];
var checkcode = Code.substring(17, 18);
if (logiccheckcode != checkcode){
alert("不是有效的统一社会信用编码！");
return false;
}
return true;
}
}
end;
