var idCardNoUtil = {

    provinceAndCitys: {
        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"
    },

    powers: ["7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2"],

    parityBit: ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"],

    genders: {
        male: "男",
        female: "女"
    },

    checkAddressCode: function(addressCode) {
        var check = /^[1-9]\d{5}$/.test(addressCode);
        if (!check) return false;
        if (idCardNoUtil.provinceAndCitys[parseInt(addressCode.substring(0, 2))]) {
            return true;
        } else {
            return false;
        }
    },

    checkBirthDayCode: function(birDayCode) {
        var check = /^[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))$/.test(birDayCode);
        if (!check) return false;
        var yyyy = parseInt(birDayCode.substring(0, 4), 10);
        var mm = parseInt(birDayCode.substring(4, 6), 10);
        var dd = parseInt(birDayCode.substring(6), 10);
        var xdata = new Date(yyyy, mm - 1, dd);
        if (xdata > new Date()) {
            return false; //生日不能大于当前日期
        } else if ((xdata.getFullYear() == yyyy) && (xdata.getMonth() == mm - 1) && (xdata.getDate() == dd)) {
            return true;
        } else {
            return false;
        }
    },

    getParityBit: function(idCardNo) {
        var id17 = idCardNo.substring(0, 17);

        var power = 0;
        for (var i = 0; i < 17; i++) {
            power += parseInt(id17.charAt(i), 10) * parseInt(idCardNoUtil.powers[i]);
        }

        var mod = power % 11;
        return idCardNoUtil.parityBit[mod];
    },

    checkParityBit: function(idCardNo) {
        var parityBit = idCardNo.charAt(17).toUpperCase();
        if (idCardNoUtil.getParityBit(idCardNo) == parityBit) {
            return true;
        } else {
            return false;
        }
    },

    checkIdCardNo: function(idCardNo) {
        //15位和18位身份证号码的基本校验
        var check = /^\d{15}|(\d{17}(\d|x|X))$/.test(idCardNo);
        if (!check) return false;
        //判断长度为15位或18位
        if (idCardNo.length == 15) {
            return idCardNoUtil.check15IdCardNo(idCardNo);
        } else if (idCardNo.length == 18) {
            return idCardNoUtil.check18IdCardNo(idCardNo);
        } else {
            return false;
        }
    },

    //校验15位的身份证号码
    check15IdCardNo: function(idCardNo) {
        //15位身份证号码的基本校验
        var check = /^[1-9]\d{7}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}$/.test(idCardNo);
        if (!check) return false;
        //校验地址码
        var addressCode = idCardNo.substring(0, 6);
        check = idCardNoUtil.checkAddressCode(addressCode);
        if (!check) return false;
        var birDayCode = '19' + idCardNo.substring(6, 12);
        //校验日期码
        return idCardNoUtil.checkBirthDayCode(birDayCode);
    },

    //校验18位的身份证号码
    check18IdCardNo: function(idCardNo) {
        //18位身份证号码的基本格式校验
        var check = /^[1-9]\d{5}[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}(\d|x|X)$/.test(idCardNo);
        if (!check) return false;
        //校验地址码
        var addressCode = idCardNo.substring(0, 6);
        check = idCardNoUtil.checkAddressCode(addressCode);
        if (!check) return false;
        //校验日期码
        var birDayCode = idCardNo.substring(6, 14);
        check = idCardNoUtil.checkBirthDayCode(birDayCode);
        if (!check) return false;
        //验证校检码
        return idCardNoUtil.checkParityBit(idCardNo);
    },

    formateDateCN: function(day) {
        var yyyy = day.substring(0, 4);
        var mm = day.substring(4, 6);
        var dd = day.substring(6);
        return yyyy + '-' + mm + '-' + dd;
    },

    //获取信息
    getIdCardInfo: function(idCardNo) {
        var idCardInfo = {
            gender: "",
            //性别
            birthday: "" // 出生日期(yyyy-mm-dd)
        };
        if (idCardNo.length == 15) {
            var aday = '19' + idCardNo.substring(6, 12);
            idCardInfo.birthday = idCardNoUtil.formateDateCN(aday);
            if (parseInt(idCardNo.charAt(14)) % 2 == 0) {
                idCardInfo.gender = idCardNoUtil.genders.female;
            } else {
                idCardInfo.gender = idCardNoUtil.genders.male;
            }
        } else if (idCardNo.length == 18) {
            var aday = idCardNo.substring(6, 14);
            idCardInfo.birthday = idCardNoUtil.formateDateCN(aday);
            if (parseInt(idCardNo.charAt(16)) % 2 == 0) {
                idCardInfo.gender = idCardNoUtil.genders.female;
            } else {
                idCardInfo.gender = idCardNoUtil.genders.male;
            }

        }
        return idCardInfo;
    },

    getId15: function(idCardNo) {
        if (idCardNo.length == 15) {
            return idCardNo;
        } else if (idCardNo.length == 18) {
            return idCardNo.substring(0, 6) + idCardNo.substring(8, 17);
        } else {
            return null;
        }
    },

    getId18: function(idCardNo) {
        if (idCardNo.length == 15) {
            var id17 = idCardNo.substring(0, 6) + '19' + idCardNo.substring(6);
            var parityBit = idCardNoUtil.getParityBit(id17);
            return id17 + parityBit;
        } else if (idCardNo.length == 18) {
            return idCardNo;
        } else {
            return null;
        }
    }
};
//验证护照是否正确
function checknumber(number) {
    var str = number;
    //在JavaScript中，正则表达式只能使用"/"开头和结束，不能使用双引号
    var Expression = /(P\d{7})|(G\d{8})/;
    var objExp = new RegExp(Expression);
    if (objExp.test(str) == true) {
        return true;
    } else {
        return false;
    }
};