Java的身份证号码工具类

package my.tools;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
/**
 * 身份证工具类
 *
 * @author June
 * @version 1.0,2010-06-17
 */
public class IdcardUtils extends StringUtils {
    /** 中国公民身份证号码最小长度。 */
    public static final int CHINA_ID_MIN_LENGTH = 15;
    /** 中国公民身份证号码最大长度。 */
    public static final int CHINA_ID_MAX_LENGTH = 18;
    /** 省、直辖市代码表 */
    public static final String cityCode[] = {
            "11","12","13","14","15","21","22","23","31","32","33","34","35","36","37","41","42","43","44","45","46","50","51","52","53","54","61","62","63","64","65","71","81","82","91"
    };
    /** 每位加权因子 */
    public static final int power[] = {
            7,9,10,5,8,4,2,1,6,3,7,2
    };
    /** 第18位校检码 */
    public static final String verifyCode[] = {
            "1","0","X","9","8","7","6","5","4","3","2"
    };
    /** 最低年限 */
    public static final int MIN = 1930;
    public static Map<String,String> cityCodes = new HashMap<String,String>();
    /** 台湾身份首字母对应数字 */
    public static Map<String,Integer> twFirstCode = new HashMap<String,Integer>();
    /** 香港身份首字母对应数字 */
    public static Map<String,Integer> hkFirstCode = new HashMap<String,Integer>();
    static {
        cityCodes.put("11","北京");
        cityCodes.put("12","天津");
        cityCodes.put("13","河北");
        cityCodes.put("14","山西");
        cityCodes.put("15","内蒙古");
        cityCodes.put("21","辽宁");
        cityCodes.put("22","吉林");
        cityCodes.put("23","黑龙江");
        cityCodes.put("31","上海");
        cityCodes.put("32","江苏");
        cityCodes.put("33","浙江");
        cityCodes.put("34","安徽");
        cityCodes.put("35","福建");
        cityCodes.put("36","江西");
        cityCodes.put("37","山东");
        cityCodes.put("41","河南");
        cityCodes.put("42","湖北");
        cityCodes.put("43","湖南");
        cityCodes.put("44","广东");
        cityCodes.put("45","广西");
        cityCodes.put("46","海南");
        cityCodes.put("50","重庆");
        cityCodes.put("51","四川");
        cityCodes.put("52","贵州");
        cityCodes.put("53","云南");
        cityCodes.put("54","西藏");
        cityCodes.put("61","陕西");
        cityCodes.put("62","甘肃");
        cityCodes.put("63","青海");
        cityCodes.put("64","宁夏");
        cityCodes.put("65","新疆");
        cityCodes.put("71","台湾");
        cityCodes.put("81","香港");
        cityCodes.put("82","澳门");
        cityCodes.put("91","国外");
        twFirstCode.put("A",10);
        twFirstCode.put("B",11);
        twFirstCode.put("C",12);
        twFirstCode.put("D",13);
        twFirstCode.put("E",14);
        twFirstCode.put("F",15);
        twFirstCode.put("G",16);
        twFirstCode.put("H",17);
        twFirstCode.put("J",18);
        twFirstCode.put("K",19);
        twFirstCode.put("L",20);
        twFirstCode.put("M",21);
        twFirstCode.put("N",22);
        twFirstCode.put("P",23);
        twFirstCode.put("Q",24);
        twFirstCode.put("R",25);
        twFirstCode.put("S",26);
        twFirstCode.put("T",27);
        twFirstCode.put("U",28);
        twFirstCode.put("V",29);
        twFirstCode.put("X",30);
        twFirstCode.put("Y",31);
        twFirstCode.put("W",32);
        twFirstCode.put("Z",33);
        twFirstCode.put("I",34);
        twFirstCode.put("O",35);
        hkFirstCode.put("A",1);
        hkFirstCode.put("B",2);
        hkFirstCode.put("C",3);
        hkFirstCode.put("R",18);
        hkFirstCode.put("U",21);
        hkFirstCode.put("Z",26);
        hkFirstCode.put("X",24);
        hkFirstCode.put("W",23);
        hkFirstCode.put("O",15);
        hkFirstCode.put("N",14);
    }
    /**
     * 将15位身份证号码转换为18位
     *
     * @param idCard
     *            15位身份编码
     * @return 18位身份编码
     */
    public static String conver15CardTo18(String idCard) {
        String idCard18 = "";
        if (idCard.length() != CHINA_ID_MIN_LENGTH) {
            return null;
        }
        if (isNum(idCard)) {
            // 获取出生年月日
            String birthday = idCard.substring(6,12);
            Date birthDate = null;
            try {
                birthDate = new SimpleDateFormat("yyMMdd").parse(birthday);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            Calendar cal = Calendar.getInstance();
            if (birthDate != null)
                cal.setTime(birthDate);
            // 获取出生年(完全表现形式,如：2010)
            String sYear = String.valueOf(cal.get(Calendar.YEAR));
            idCard18 = idCard.substring(0,6) + sYear + idCard.substring(8);
            // 转换字符数组
            char[] cArr = idCard18.toCharArray();
            if (cArr != null) {
                int[] iCard = converCharToInt(cArr);
                int iSum17 = getPowerSum(iCard);
                // 获取校验位
                String sVal = getCheckCode18(iSum17);
                if (sVal.length() > 0) {
                    idCard18 += sVal;
                } else {
                    return null;
                }
            }
        } else {
            return null;
        }
        return idCard18;
    }
    /**
     * 验证身份证是否合法
     */
    public static boolean validateCard(String idCard) {
        String card = idCard.trim();
        if (validateIdCard18(card)) {
            return true;
        }
        if (validateIdCard15(card)) {
            return true;
        }
        String[] cardval = validateIdCard10(card);
        if (cardval != null) {
            if (cardval[2].equals("true")) {
                return true;
            }
        }
        return false;
    }
    /**
     * 验证18位身份编码是否合法
     *
     * @param idCard 身份编码
     * @return 是否合法
     */
    public static boolean validateIdCard18(String idCard) {
        boolean bTrue = false;
        if (idCard.length() == CHINA_ID_MAX_LENGTH) {
            // 前17位
            String code17 = idCard.substring(0,17);
            // 第18位
            String code18 = idCard.substring(17,CHINA_ID_MAX_LENGTH);
            if (isNum(code17)) {
                char[] cArr = code17.toCharArray();
                if (cArr != null) {
                    int[] iCard = converCharToInt(cArr);
                    int iSum17 = getPowerSum(iCard);
                    // 获取校验位
                    String val = getCheckCode18(iSum17);
                    if (val.length() > 0) {
                        if (val.equalsIgnoreCase(code18)) {
                            bTrue = true;
                        }
                    }
                }
            }
        }
        return bTrue;
    }
    /**
     * 验证15位身份编码是否合法
     *
     * @param idCard
     *            身份编码
     * @return 是否合法
     */
    public static boolean validateIdCard15(String idCard) {
        if (idCard.length() != CHINA_ID_MIN_LENGTH) {
            return false;
        }
        if (isNum(idCard)) {
            String proCode = idCard.substring(0,2);
            if (cityCodes.get(proCode) == null) {
                return false;
            }
            String birthCode = idCard.substring(6,12);
            Date birthDate = null;
            try {
                birthDate = new SimpleDateFormat("yy").parse(birthCode.substring(0,2));
            } catch (ParseException e) {
                e.printStackTrace();
            }
            Calendar cal = Calendar.getInstance();
            if (birthDate != null)
                cal.setTime(birthDate);
            if (!valiDate(cal.get(Calendar.YEAR),Integer.valueOf(birthCode.substring(2,4)),Integer.valueOf(birthCode.substring(4,6)))) {
                return false;
            }
        } else {
            return false;
        }
        return true;
    }
    /**
     * 验证10位身份编码是否合法
     *
     * @param idCard 身份编码
     * @return 身份证信息数组
     *         <p>
     *         [0] - 台湾、澳门、香港 [1] - 性别(男M,女F,未知N) [2] - 是否合法(合法true,不合法false)
     *         若不是身份证件号码则返回null
     *         </p>
     */
    public static String[] validateIdCard10(String idCard) {
        String[] info = new String[3];
        String card = idCard.replaceAll("[(|)]","");
        if (card.length() != 8 && card.length() != 9 && idCard.length() != 10) {
            return null;
        }
        if (idCard.matches("^[a-zA-Z][0-9]{9}$")) { // 台湾
            info[0] = "台湾";
            System.out.println("22222");
            String char2 = idCard.substring(1,2);
            if (char2.equals("1")) {
                info[1] = "M";
                System.out.println("MMMMMMM");
            } else if (char2.equals("2")) {
                info[1] = "F";
                System.out.println("FFFFFFF");
            } else {
                info[1] = "N";
                info[2] = "false";
                System.out.println("NNNN");
                return info;
            }
            info[2] = validateTWCard(idCard) ? "true" : "false";
        } else if (idCard.matches("^[1|5|7][0-9]{6}(?[0-9A-Z])?$")) { // 澳门
            info[0] = "澳门";
            info[1] = "N";
            // TODO
        } else if (idCard.matches("^[A-Z]{1,2}[0-9]{6}(?[0-9A])?$")) { // 香港
            info[0] = "香港";
            info[1] = "N";
            info[2] = validateHKCard(idCard) ? "true" : "false";
        } else {
            return null;
        }
        return info;
    }
    /**
     * 验证台湾身份证号码
     *
     * @param idCard
     *            身份证号码
     * @return 验证码是否符合
     */
    public static boolean validateTWCard(String idCard) {
        String start = idCard.substring(0,1);
        String mid = idCard.substring(1,9);
        String end = idCard.substring(9,10);
        Integer iStart = twFirstCode.get(start);
        Integer sum = iStart / 10 + (iStart % 10) * 9;
        char[] chars = mid.toCharArray();
        Integer iflag = 8;
        for (char c : chars) {
            sum = sum + Integer.valueOf(c + "") * iflag;
            iflag--;
        }
        return (sum % 10 == 0 ? 0 : (10 - sum % 10)) == Integer.valueOf(end) ? true : false;
    }
    /**
     * 验证香港身份证号码(存在Bug，部份特殊身份证无法检查)
     * <p>
     * 身份证前2位为英文字符，如果只出现一个英文字符则表示第一位是空格，对应数字58 前2位英文字符A-Z分别对应数字10-35
     * 最后一位校验码为0-9的数字加上字符"A"，"A"代表10
     * </p>
     * <p>
     * 将身份证号码全部转换为数字，分别对应乘9-1相加的总和，整除11则证件号码有效
     * </p>
     *
     * @param idCard 身份证号码
     * @return 验证码是否符合
     */
    public static boolean validateHKCard(String idCard) {
        String card = idCard.replaceAll("[(|)]","");
        Integer sum = 0;
        if (card.length() == 9) {
            sum = (Integer.valueOf(card.substring(0,1).toUpperCase().toCharArray()[0]) - 55) * 9
                    + (Integer.valueOf(card.substring(1,2).toUpperCase().toCharArray()[0]) - 55) * 8;
            card = card.substring(1,9);
        } else {
            sum = 522 + (Integer.valueOf(card.substring(0,1).toUpperCase().toCharArray()[0]) - 55) * 8;
        }
        String mid = card.substring(1,7);
        String end = card.substring(7,8);
        char[] chars = mid.toCharArray();
        Integer iflag = 7;
        for (char c : chars) {
            sum = sum + Integer.valueOf(c + "") * iflag;
            iflag--;
        }
        if (end.toUpperCase().equals("A")) {
            sum = sum + 10;
        } else {
            sum = sum + Integer.valueOf(end);
        }
        return (sum % 11 == 0) ? true : false;
    }
    /**
     * 将字符数组转换成数字数组
     *
     * @param ca
     *            字符数组
     * @return 数字数组
     */
    public static int[] converCharToInt(char[] ca) {
        int len = ca.length;
        int[] iArr = new int[len];
        try {
            for (int i = 0; i < len; i++) {
                iArr[i] = Integer.parseInt(String.valueOf(ca[i]));
            }
        } catch (NumberFormatException e) {
            e.printStackTrace();
        }
        return iArr;
    }
    /**
     * 将身份证的每位和对应位的加权因子相乘之后，再得到和值
     *
     * @param iArr
     * @return 身份证编码。
     */
    public static int getPowerSum(int[] iArr) {
        int iSum = 0;
        if (power.length == iArr.length) {
            for (int i = 0; i < iArr.length; i++) {
                for (int j = 0; j < power.length; j++) {
                    if (i == j) {
                        iSum = iSum + iArr[i] * power[j];
                    }
                }
            }
        }
        return iSum;
    }
    /**
     * 将power和值与11取模获得余数进行校验码判断
     *
     * @param iSum
     * @return 校验位
     */
    public static String getCheckCode18(int iSum) {
        String sCode = "";
        switch (iSum % 11) {
        case 10:
            sCode = "2";
            break;
        case 9:
            sCode = "3";
            break;
        case 8:
            sCode = "4";
            break;
        case 7:
            sCode = "5";
            break;
        case 6:
            sCode = "6";
            break;
        case 5:
            sCode = "7";
            break;
        case 4:
            sCode = "8";
            break;
        case 3:
            sCode = "9";
            break;
        case 2:
            sCode = "x";
            break;
        case 1:
            sCode = "0";
            break;
        case 0:
            sCode = "1";
            break;
        }
        return sCode;
    }
    /**
     * 根据身份编号获取年龄
     *
     * @param idCard
     *            身份编号
     * @return 年龄
     */
    public static int getAgeByIdCard(String idCard) {
        int iAge = 0;
        if (idCard.length() == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        String year = idCard.substring(6,10);
        Calendar cal = Calendar.getInstance();
        int iCurrYear = cal.get(Calendar.YEAR);
        iAge = iCurrYear - Integer.valueOf(year);
        return iAge;
    }
    /**
     * 根据身份编号获取生日
     *
     * @param idCard 身份编号
     * @return 生日(yyyyMMdd)
     */
    public static String getBirthByIdCard(String idCard) {
        Integer len = idCard.length();
        if (len < CHINA_ID_MIN_LENGTH) {
            return null;
        } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        return idCard.substring(6,14);
    }
    /**
     * 根据身份编号获取生日年
     *
     * @param idCard 身份编号
     * @return 生日(yyyy)
     */
    public static Short getYearByIdCard(String idCard) {
        Integer len = idCard.length();
        if (len < CHINA_ID_MIN_LENGTH) {
            return null;
        } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        return Short.valueOf(idCard.substring(6,10));
    }
    /**
     * 根据身份编号获取生日月
     *
     * @param idCard
     *            身份编号
     * @return 生日(MM)
     */
    public static Short getMonthByIdCard(String idCard) {
        Integer len = idCard.length();
        if (len < CHINA_ID_MIN_LENGTH) {
            return null;
        } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        return Short.valueOf(idCard.substring(10,12));
    }
    /**
     * 根据身份编号获取生日天
     *
     * @param idCard
     *            身份编号
     * @return 生日(dd)
     */
    public static Short getDateByIdCard(String idCard) {
        Integer len = idCard.length();
        if (len < CHINA_ID_MIN_LENGTH) {
            return null;
        } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        return Short.valueOf(idCard.substring(12,14));
    }
    /**
     * 根据身份编号获取性别
     *
     * @param idCard 身份编号
     * @return 性别(M-男，F-女，N-未知)
     */
    public static String getGenderByIdCard(String idCard) {
        String sGender = "N";
        if (idCard.length() == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
        }
        String sCardNum = idCard.substring(16,17);
        if (Integer.parseInt(sCardNum) % 2 != 0) {
            sGender = "M";
        } else {
            sGender = "F";
        }
        return sGender;
    }
    /**
     * 根据身份编号获取户籍省份
     *
     * @param idCard 身份编码
     * @return 省级编码。
     */
    public static String getProvinceByIdCard(String idCard) {
        int len = idCard.length();
        String sProvince = null;
        String sProvinNum = "";
        if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {
            sProvinNum = idCard.substring(0,2);
        }
        sProvince = cityCodes.get(sProvinNum);
        return sProvince;
    }
    /**
     * 数字验证
     *
     * @param val
     * @return 提取的数字。
     */
    public static boolean isNum(String val) {
        return val == null || "".equals(val) ? false : val.matches("^[0-9]*$");
    }
    /**
     * 验证小于当前日期 是否有效
     *
     * @param iYear
     *            待验证日期(年)
     * @param iMonth
     *            待验证日期(月 1-12)
     * @param iDate
     *            待验证日期(日)
     * @return 是否有效
     */
    public static boolean valiDate(int iYear,int iMonth,int iDate) {
        Calendar cal = Calendar.getInstance();
        int year = cal.get(Calendar.YEAR);
        int datePerMonth;
        if (iYear < MIN || iYear >= year) {
            return false;
        }
        if (iMonth < 1 || iMonth > 12) {
            return false;
        }
        switch (iMonth) {
        case 4:
        case 6:
        case 9:
        case 11:
            datePerMonth = 30;
            break;
        case 2:
            boolean dm = ((iYear % 4 == 0 && iYear % 100 != 0) || (iYear % 400 == 0))
                    && (iYear > MIN && iYear < year);
            datePerMonth = dm ? 29 : 28;
            break;
        default:
            datePerMonth = 31;
        }
        return (iDate >= 1) && (iDate <= datePerMonth);
    }
}