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身份证正则法则,
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package com.hisuntech.mpos.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Hashtable;
import android.util.Log;
/**
*
* ClassName: IDnumDistinguish <br/>
*
* @Description: 身份证号码,可以解析身份证号码的各个字段,以及验证身份证号码是否有效
* <p>
* 身份证号码构成:6位地址编码+8位生日+3位顺序码+1位校验码
* </p>
* date: 2014-4-10 下午1:52:02 <br/>
*
* @author yanxiaogang
* @version
* @since JDK 1.6
*/
public class IDnumDistinguish {
/** 身份证号码中的出生日期的格式 */
private static final String BIRTH_DATE_FORMAT = "yyyyMMdd";
/** 身份证的最小出生日期,1900年1月1日 */
private static final Date MIN_BIRTH_DATE = new Date(-2209017600000L);
/** 新版身份证号码长度 */
private static final int NEW_CARD_NUMBER_LENGTH = 18;
/** 旧版身份证号码长度 */
private static final int OLD_CARD_NUMBER_LENGTH = 15;
/** 18位身份证中最后一位校验码 */
private static final char[] VERIFY_CODE = { '1','0','X','9','8','7', '6','5','4','3','2' };
/** 18位身份证中,各个数字的生成校验码时的权值 */
private static final int[] VERIFY_CODE_WEIGHT = { 7,9,10,5,8,4,2,1, 6,3,7,2 };
/** 完整的身份证号码 */
private final String cardNumber;
/** 缓存身份证是否有效,因为验证有效性使用频繁且计算复杂 */
private Boolean cacheValidateResult = null;
/** 缓存出生日期,因为出生日期使用频繁且计算复杂 */
private Date cacheBirthDate = null;
/** 当前时间 */
private Date currentDate = new Date();
public IDnumDistinguish(String cardNumber,String serTime) {
if (null != cardNumber) {
cardNumber = cardNumber.trim();
if (OLD_CARD_NUMBER_LENGTH == cardNumber.length()) {
// 如果是15位身份证号码,则自动转换为18位
cardNumber = contertToNewCardNumber(cardNumber);
}
}
if (null != serTime){
currentDate = strToDate(serTime,"yyyyMMddhhmmss");
}
this.cardNumber = cardNumber;
}
/**
* @Title: validate
* @Description: 身份证号码校验
* @return boolean
* @author
*/
public boolean validate() {
if (null == this.cacheValidateResult) {
boolean result = true;
try {
// 身份证号码不能为空
result = result && (null != this.cardNumber);
// 身份证号长度是18(新证)
result = result
&& NEW_CARD_NUMBER_LENGTH == this.cardNumber.length();
char ch;
// 身份证号的前17位必须是阿拉伯数字
for (int i = 0; i < NEW_CARD_NUMBER_LENGTH - 1; i++) {
ch = cardNumber.charAt(i);
result = result && ch >= '0' && ch <= '9';
}
// 身份证号的第18位校验正确
result = result
&& (calculateVerifyCode(cardNumber) == cardNumber
.charAt(NEW_CARD_NUMBER_LENGTH - 1));
// 出生日期不能晚于当前时间,并且不能早于1900年
Date birthDate = getBirthDate();
result = result && null != birthDate;
result = result && birthDate.before(currentDate);
result = result && birthDate.after(MIN_BIRTH_DATE);
String birthdayPart = getBirthDayPart();
String realBirthdayPart = this.createBirthDateParser().format(
birthDate);
result = result && (birthdayPart.equals(realBirthdayPart));
} catch (Exception e) {
Log.e("Execute method:validate() fail!",e.toString());
result = false;
}
// 完整身份证号码的省市县区检验规则
cacheValidateResult = Boolean.valueOf(result);
}
return cacheValidateResult;
}
/**
* 功能:设置地区编码
*
* @return Hashtable 对象
*/
private static Hashtable<String,String> GetAreaCode() {
Hashtable<String,String> hashtable = new Hashtable<String,String>();
hashtable.put("11","北京");
hashtable.put("12","天津");
hashtable.put("13","河北");
hashtable.put("14","山西");
hashtable.put("15","内蒙古");
hashtable.put("21","辽宁");
hashtable.put("22","吉林");
hashtable.put("23","黑龙江");
hashtable.put("31","上海");
hashtable.put("32","江苏");
hashtable.put("33","浙江");
hashtable.put("34","安徽");
hashtable.put("35","福建");
hashtable.put("36","江西");
hashtable.put("37","山东");
hashtable.put("41","河南");
hashtable.put("42","湖北");
hashtable.put("43","湖南");
hashtable.put("44","广东");
hashtable.put("45","广西");
hashtable.put("46","海南");
hashtable.put("50","重庆");
hashtable.put("51","四川");
hashtable.put("52","贵州");
hashtable.put("53","云南");
hashtable.put("54","西藏");
hashtable.put("61","陕西");
hashtable.put("62","甘肃");
hashtable.put("63","青海");
hashtable.put("64","宁夏");
hashtable.put("65","新疆");
hashtable.put("71","台湾");
hashtable.put("81","香港");
hashtable.put("82","澳门");
hashtable.put("91","国外");
return hashtable;
}
/**
* @Title: getAddressCode
* @Description: 获取身份证号码中的地址编码
* @return String
* @author
*/
public String getAddressCode() {
checkIfValid();
Hashtable<String,String> h = GetAreaCode();
if (h.get(cardNumber.substring(0,2)) == null) {
throw new RuntimeException("身地区编码不正确!");
}
// return this.cardNumber.substring(0,6);
return h.get(cardNumber.substring(0,2));
}
/**
* @Title: getBirthDate
* @Description: 获取身份证号码中的生日
* @return java.util.Date
* @author
*/
public Date getBirthDate() {
if (null == this.cacheBirthDate) {
try {
this.cacheBirthDate = createBirthDateParser().parse(
getBirthDayPart());
} catch (ParseException e) {
Log.e("Parse BirthDay Part fail!",e.toString());
} catch (Exception e) {
Log.e("Parse BirthDay Part fail!",e.toString());
}
}
return new Date(this.cacheBirthDate.getTime());
}
/**
* @Title: isMale
* @Description: 判断是否为男性
* @return boolean
* @author
*/
public boolean isMale() {
return 1 == getGenderCode();
}
/**
* @Title: isMale
* @Description: 判断是否为女性
* @return boolean
* @author
*/
public boolean isFemal() {
return false == isMale();
}
/**
* @Title: getGenderCode
* @Description: 获取身份证的第17位,奇数为男性,偶数为女性
* @return int
* @author
*/
private int getGenderCode() {
checkIfValid();
char genderCode = this.cardNumber.charAt(NEW_CARD_NUMBER_LENGTH - 2);
return (((int) (genderCode - '0')) & 0x1);
}
private String getBirthDayPart() {
return this.cardNumber.substring(6,14);
}
private SimpleDateFormat createBirthDateParser() {
return new SimpleDateFormat(BIRTH_DATE_FORMAT);
}
private void checkIfValid() {
if (false == validate()) {
throw new RuntimeException("身份证号码不正确!");
}
}
/**
* @Title: calculateVerifyCode
* @Description: 校验码(第十八位数)
* <p>
* 十七位数字本体码加权求和公式 S = Sum(Ai * Wi),i = 0...16 ,先对前17位数字的权求和
* </p>
* <p>
* Ai:表示第i位置上的身份证号码数字值
* </p>
* <p>
* Wi:表示第i位置上的加权因子 Wi: 7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2
* </p>
* <p>
* 计算模 Y = mod(S,11)
* </p>
* <p>
* 通过模得到对应的校验码 Y: 0 1 2 3 4 5 6 7 8 9 10 校验码: 1 0 X 9 8 7 6 5
* 4 3 2
* </p>
* @param cardNumber
* @return char
* @author
*/
private static char calculateVerifyCode(CharSequence cardNumber) {
int sum = 0;
char ch;
for (int i = 0; i < NEW_CARD_NUMBER_LENGTH - 1; i++) {
ch = cardNumber.charAt(i);
sum += ((int) (ch - '0')) * VERIFY_CODE_WEIGHT[i];
}
return VERIFY_CODE[sum % 11];
}
/**
* @Title: contertToNewCardNumber
* @Description: 把15位身份证号码转换到18位身份证号码
* @param oldCardNumber
* 15位身份证号码
* @return:
* @author
*/
private static String contertToNewCardNumber(String oldCardNumber) {
/*
* 15位身份证号码与18位身份证号码的区别为: 1: 15位身份证号码中,"出生年份"字段是2位,转换时需要补入"19",表示20世纪;
* 2: 15位身份证无最后一位校验码。18位身份证中,校验码根据根据前17位生成
*/
StringBuilder buf = new StringBuilder(NEW_CARD_NUMBER_LENGTH);
buf.append(oldCardNumber.substring(0,6));
buf.append("19");
buf.append(oldCardNumber.substring(6));
buf.append(IDnumDistinguish.calculateVerifyCode(buf));
return buf.toString();
}
/**
* @return the cardNumber
*/
public String getCardNumber() {
return cardNumber;
}
/**
* String 转换成 时间
* @param str
* @return
*/
public static java.util.Date strToDate(String str,String patten) {
if (str != null) {
if(patten == null)
patten = "yyyy-MM-dd";
SimpleDateFormat formatter = new SimpleDateFormat(patten);
try {
java.util.Date dt = null;
dt = formatter.parse(str);
return dt;
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
}
原文链接:https://www.f2er.com/regex/359261.html