com.yuweix.kuafu.core.IdCardUtil Maven / Gradle / Ivy
package com.yuweix.kuafu.core;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 身份证工具类
* @author yuwei
*/
public abstract class IdCardUtil {
private static final Logger log = LoggerFactory.getLogger(IdCardUtil.class);
/** 中国公民一代身份证号码长度。 */
private static final int CHINA_ID_NO_1_LENGTH = 15;
/** 中国公民二代身份证号码长度。 */
private static final int CHINA_ID_NO_2_LENGTH = 18;
/** 加权因子 */
private static final int[] WEIGHT_FACTORS = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
private static final Map cityCodes = new HashMap();
/** 台湾身份首字母对应数字 */
private static final Map twFirstCode = new HashMap();
/** 香港身份首字母对应数字 */
private static final Map hkFirstCode = new HashMap();
static {
cityCodes.put("11", "北京市");
cityCodes.put("12", "天津市");
cityCodes.put("13", "河北省");
cityCodes.put("14", "山西省");
cityCodes.put("15", "内蒙古自治区");
cityCodes.put("21", "辽宁省");
cityCodes.put("22", "吉林省");
cityCodes.put("23", "黑龙江省");
cityCodes.put("31", "上海市");
cityCodes.put("32", "江苏省");
cityCodes.put("33", "浙江省");
cityCodes.put("34", "安徽省");
cityCodes.put("35", "福建省");
cityCodes.put("36", "江西省");
cityCodes.put("37", "山东省");
cityCodes.put("41", "河南省");
cityCodes.put("42", "湖北省");
cityCodes.put("43", "湖南省");
cityCodes.put("44", "广东省");
cityCodes.put("45", "广西壮族自治区");
cityCodes.put("46", "海南省");
cityCodes.put("50", "重庆市");
cityCodes.put("51", "四川省");
cityCodes.put("52", "贵州省");
cityCodes.put("53", "云南省");
cityCodes.put("54", "西藏自治区");
cityCodes.put("61", "陕西省");
cityCodes.put("62", "甘肃省");
cityCodes.put("63", "青海省");
cityCodes.put("64", "宁夏回族自治区");
cityCodes.put("65", "新疆维吾尔族自治区");
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 cardNo 15位身份证号码
* @return 18位身份编码
*/
private static String convert15To18(String cardNo) {
if (cardNo == null || cardNo.length() != CHINA_ID_NO_1_LENGTH) {
return null;
}
if (!isNum(cardNo)) {
return null;
}
/**
* 获取出生年月日
*/
String birthday = cardNo.substring(6, 12);
Calendar cal = Calendar.getInstance();
try {
Date birthDate = new SimpleDateFormat("yyMMdd").parse(birthday);
cal.setTime(birthDate);
} catch (Exception e) {
log.error("", e);
return null;
}
/**
* 获取出生年(完整表现形式,如：2010)
*/
String sYear = String.valueOf(cal.get(Calendar.YEAR));
String idCard18 = cardNo.substring(0, 6) + sYear + cardNo.substring(8);
/**
* 转换字符数组
*/
char[] cArr = idCard18.toCharArray();
if (cArr == null) {
return null;
}
int[] iCard = convertCharToInt(cArr);
int iSum17 = getPowerSum(iCard);
/**
* 获取校验位
*/
String sVal = getCheckCode18(iSum17);
if (sVal == null || sVal.length() <= 0) {
return null;
}
return idCard18 + sVal;
}
/**
* 检查身份证是否合法
* @param cardNo 身份证号码
*/
public static boolean check(String cardNo) {
if (cardNo == null) {
return false;
}
String cardNo0 = cardNo.trim();
if (check18(cardNo0)) {
return true;
}
return check15(cardNo0);
}
/**
* 验证18位身份证号码是否合法
* @param cardNo 身份证号码
*/
private static boolean check18(String cardNo) {
if (cardNo == null || cardNo.length() != CHINA_ID_NO_2_LENGTH) {
return false;
}
// 前17位
String code17 = cardNo.substring(0, 17);
// 第18位
String code18 = cardNo.substring(17, CHINA_ID_NO_2_LENGTH);
if (!isNum(code17)) {
return false;
}
char[] cArr = code17.toCharArray();
if (cArr == null) {
return false;
}
int[] iCard = convertCharToInt(cArr);
int iSum17 = getPowerSum(iCard);
// 获取校验位
String val = getCheckCode18(iSum17);
return code18.equalsIgnoreCase(val);
}
/**
* 验证15位身份证号码是否合法
* @param cardNo 身份证号码
*/
private static boolean check15(String cardNo) {
if (cardNo == null || cardNo.length() != CHINA_ID_NO_1_LENGTH) {
return false;
}
if (!isNum(cardNo)) {
return false;
}
String proCode = cardNo.substring(0, 2);
if (cityCodes.get(proCode) == null) {
return false;
}
String birthCode = cardNo.substring(6, 12);
try {
Date birthday = new SimpleDateFormat("yyMMdd").parse(birthCode);
return birthday.before(new Date());
} catch (Exception e) {
log.error("", e);
return false;
}
}
/**
* 验证台湾身份证号码
* @param cardNo 身份证号码
*/
public static boolean checkTwCard(String cardNo) {
if (cardNo == null) {
return false;
}
String start = cardNo.substring(0, 1);
String mid = cardNo.substring(1, 9);
String end = cardNo.substring(9, 10);
int iStart = twFirstCode.get(start);
int sum = iStart / 10 + (iStart % 10) * 9;
char[] chars = mid.toCharArray();
int iflag = 8;
for (char c: chars) {
sum = sum + Integer.parseInt(c + "") * iflag;
iflag--;
}
return (sum % 10 == 0 ? 0 : (10 - sum % 10)) == Integer.parseInt(end);
}
/**
* 验证香港身份证号码(存在Bug，部份特殊身份证无法检查)
*
* 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
*
*
* 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
*
*
* @param cardNo 身份证号码
*/
public static boolean checkHkCard(String cardNo) {
if (cardNo == null) {
return false;
}
String card = cardNo.replaceAll("[\\(|\\)]", "");
int sum = 0;
if (card.length() == 9) {
sum = ((int) card.substring(0, 1).toUpperCase().toCharArray()[0] - 55) * 9
+ ((int) card.substring(1, 2).toUpperCase().toCharArray()[0] - 55) * 8;
card = card.substring(1, 9);
} else {
sum = 522 + ((int) 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.parseInt(c + "") * iflag;
iflag--;
}
if (end.toUpperCase().equals("A")) {
sum = sum + 10;
} else {
sum = sum + Integer.parseInt(end);
}
return sum % 11 == 0;
}
/**
* 将字符数组转换成数字数组
* @param ch 字符数组
* @return 数字数组
*/
private static int[] convertCharToInt(char[] ch) {
if (ch == null) {
return null;
}
int len = ch.length;
int[] iArr = new int[len];
try {
for (int i = 0; i < len; i++) {
iArr[i] = Integer.parseInt(String.valueOf(ch[i]));
}
return iArr;
} catch (NumberFormatException e) {
log.error("", e);
return null;
}
}
/**
* 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。
*/
private static int getPowerSum(int[] iArr) {
if (iArr == null || WEIGHT_FACTORS.length != iArr.length) {
return 0;
}
int iSum = 0;
for (int i = 0; i < iArr.length; i++) {
for (int j = 0; j < WEIGHT_FACTORS.length; j++) {
if (i == j) {
iSum = iSum + iArr[i] * WEIGHT_FACTORS[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
*/
private 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18位身份证号码获取生日
* @param cardNo 身份证号码
* @return 生日(yyyyMMdd)
*/
public static String getBirthdayByCardNo(String cardNo) {
if (cardNo == null) {
return null;
}
int len = cardNo.length();
if (len != CHINA_ID_NO_1_LENGTH && len != CHINA_ID_NO_2_LENGTH) {
return null;
}
if (len == CHINA_ID_NO_1_LENGTH) {
cardNo = convert15To18(cardNo);
}
return cardNo.substring(6, 14);
}
/**
* 根据身份证号码获取性别
* @param cardNo 身份证号码
* @return 性别(M-男，F-女，U-不详)
*/
public static String getGenderByCardNo(String cardNo) {
String sGender = "U";
if (cardNo == null) {
return sGender;
}
/**
* 场景一：台湾
*/
if (Arrays.binarySearch(new long[] {8, 9, 10}, cardNo.length()) >= 0) {
if (cardNo.matches("^[a-zA-Z][0-9]{9}$")) {
String char2 = cardNo.substring(1, 2);
if (char2.equals("1")) {
sGender = "M";
} else if (char2.equals("2")) {
sGender = "F";
}
}
return sGender;
}
/**
* 场景二：大陆
*/
if (cardNo.length() != CHINA_ID_NO_1_LENGTH && cardNo.length() != CHINA_ID_NO_2_LENGTH) {
return sGender;
}
if (cardNo.length() == CHINA_ID_NO_1_LENGTH) {
cardNo = convert15To18(cardNo);
}
String sCardNum = cardNo.substring(16, 17);
if (Integer.parseInt(sCardNum) % 2 != 0) {
sGender = "M";
} else {
sGender = "F";
}
return sGender;
}
/**
* 根据身份证号码获取户籍省份
* @param cardNo 身份证号码
* @return 省级编码。
*/
public static String getProvinceByCardNo(String cardNo) {
if (cardNo == null) {
return null;
}
int len = cardNo.length();
String sProvince = null;
String sProvinceCode = "";
if (len == CHINA_ID_NO_1_LENGTH || len == CHINA_ID_NO_2_LENGTH) {
sProvinceCode = cardNo.substring(0, 2);
}
sProvince = cityCodes.get(sProvinceCode);
return sProvince;
}
/**
* 数字验证
* @param val
*/
private static boolean isNum(String val) {
return val != null && !"".equals(val) && val.matches("^[0-9]*$");
}
}