js 获取身份证号码出生日期，籍贯等信息

    <script type="text/javascript">
        $(document).ready(function () {
            $("#<%=tbxIDNumber.ClientID %>").blur(function () {
                var idNumber = $("#<%=tbxIDNumber.ClientID %>").val();
                if (trim(idNumber).length > 0) {
                    if (!checkIdcard(idNumber)) {
                        alert("输入的身份证号格式错误");
                        return;
                    }
                    else {
                        var birthday = getBirthdatByIdNo(idNumber);
                        $("#<%=tbxBirthday.ClientID %>").val(birthday);
                        var provinceName = getProvinceNameByIdNo(idNumber);
                        $("#<%=tbxNativePlace.ClientID %>").val(provinceName);
                    }
                }
            })
        }
        );

        function trim(s) { return s.replace(/^\s+|\s+$/g, ""); };

        //验证身份证号并获取籍贯
        function getProvinceNameByIdNo(idcard) {
            var area = { 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 provinceName = "";
            var provinceNo = idcard.substr(0, 2);
            if (area[parseInt(provinceNo)] != null) {
                provinceName = area[parseInt(provinceNo)];
            }
            return provinceName;
        }

        //获取出生日期
        function getBirthdatByIdNo(iIdNo) {
            var tmpStr = "";
            var strReturn = "";

            if (iIdNo.length == 15) {
                tmpStr = iIdNo.substring(6, 12);
                tmpStr = "19" + tmpStr;
                tmpStr = tmpStr.substring(0, 4) + "-" + tmpStr.substring(4, 6) + "-" + tmpStr.substring(6)
                return tmpStr;
            }
            else {
                tmpStr = iIdNo.substring(6, 14);
                tmpStr = tmpStr.substring(0, 4) + "-" + tmpStr.substring(4, 6) + "-" + tmpStr.substring(6)
                return tmpStr;
            }
        }
        function checkIdcard(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。'); 
                return false;
            }
            //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。 
            //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('输入的身份证号里出生日期不对！');   
                    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)$/);
                arrSplit = num.match(re);

                //检查生日日期是否正确 
                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('输入的身份证号里出生日期不对！'); 
                    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;
                    arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
                    arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
                    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); 
                        return false;
                    }
                    return true;
                }
            }
            return false;
        }  
    </script>