java身份证合法性校验并提取身份证有效信息

java身份证合法性校验并获取身份证号有效信息，供大家参考，具体内容如下

java身份证合法性校验

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;


@SuppressWarnings({ "unchecked", "unused", "all" })
public class IdcardValidator {

 
 protected String codeAndCity[][] = { { "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" } };

 private 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
 private int power[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };

 // 第18位校检码
 private String verifyCode[] = { "1", "0", "X", "9", "8", "7", "6", "5",
 "4", "3", "2" };

 
 public boolean isValidatedAllIdcard(String idcard) {
 if (idcard.length() == 15) {
 idcard = this.convertIdcarBy15bit(idcard);
 }
 return this.isValidate18Idcard(idcard);
 }

 
 public boolean isValidate18Idcard(String idcard) {
 // 非18位为假
 if (idcard.length() != 18) {
 return false;
 }
 // 获取前17位
 String idcard17 = idcard.substring(0, 17);
 // 获取第18位
 String idcard18Code = idcard.substring(17, 18);
 char c[] = null;
 String checkCode = "";
 // 是否都为数字
 if (isDigital(idcard17)) {
 c = idcard17.toCharArray();
 } else {
 return false;
 }

 if (null != c) {
 int bit[] = new int[idcard17.length()];

 bit = converCharToInt(c);

 int sum17 = 0;

 sum17 = getPowerSum(bit);

 // 将和值与11取模得到余数进行校验码判断
 checkCode = getCheckCodeBySum(sum17);
 if (null == checkCode) {
 return false;
 }
 // 将身份证的第18位与算出来的校码进行匹配，不相等就为假
 if (!idcard18Code.equalsIgnoreCase(checkCode)) {
 return false;
 }
 }
 return true;
 }

 
 public boolean isValidate15Idcard(String idcard) {
 // 非15位为假
 if (idcard.length() != 15) {
 return false;
 }

 // 是否全都为数字
 if (isDigital(idcard)) {
 String provinceid = idcard.substring(0, 2);
 String birthday = idcard.substring(6, 12);
 int year = Integer.parseInt(idcard.substring(6, 8));
 int month = Integer.parseInt(idcard.substring(8, 10));
 int day = Integer.parseInt(idcard.substring(10, 12));

 // 判断是否为合法的省份
 boolean flag = false;
 for (String id : cityCode) {
 if (id.equals(provinceid)) {
 flag = true;
 break;
 }
 }
 if (!flag) {
 return false;
 }
 // 该身份证生出日期在当前日期之后时为假
 Date birthdate = null;
 try {
 birthdate = new SimpleDateFormat("yyMMdd").parse(birthday);
 } catch (ParseException e) {
 e.printStackTrace();
 }
 if (birthdate == null || new Date().before(birthdate)) {
 return false;
 }

 // 判断是否为合法的年份
 GregorianCalendar curDay = new GregorianCalendar();
 int curYear = curDay.get(Calendar.YEAR);
 int year2bit = Integer.parseInt(String.valueOf(curYear)
 .substring(2));

 // 判断该年份的两位表示法，小于50的和大于当前年份的，为假
 if ((year < 50 && year > year2bit)) {
 return false;
 }

 // 判断是否为合法的月份
 if (month < 1 || month > 12) {
 return false;
 }

 // 判断是否为合法的日期
 boolean mflag = false;
 curDay.setTime(birthdate); // 将该身份证的出生日期赋于对象curDay
 switch (month) {
 case 1:
 case 3:
 case 5:
 case 7:
 case 8:
 case 10:
 case 12:
 mflag = (day >= 1 && day <= 31);
 break;
 case 2: // 公历的2月非闰年有28天,闰年的2月是29天。
 if (curDay.isLeapYear(curDay.get(Calendar.YEAR))) {
 mflag = (day >= 1 && day <= 29);
 } else {
 mflag = (day >= 1 && day <= 28);
 }
 break;
 case 4:
 case 6:
 case 9:
 case 11:
 mflag = (day >= 1 && day <= 30);
 break;
 }
 if (!mflag) {
 return false;
 }
 } else {
 return false;
 }
 return true;
 }

 
 public String convertIdcarBy15bit(String idcard) {
 String idcard17 = null;
 // 非15位身份证
 if (idcard.length() != 15) {
 return null;
 }

 if (isDigital(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 cday = Calendar.getInstance();
 cday.setTime(birthdate);
 String year = String.valueOf(cday.get(Calendar.YEAR));

 idcard17 = idcard.substring(0, 6) + year + idcard.substring(8);

 char c[] = idcard17.toCharArray();
 String checkCode = "";

 if (null != c) {
 int bit[] = new int[idcard17.length()];

 // 将字符数组转为整型数组
 bit = converCharToInt(c);
 int sum17 = 0;
 sum17 = getPowerSum(bit);

 // 获取和值与11取模得到余数进行校验码
 checkCode = getCheckCodeBySum(sum17);
 // 获取不到校验位
 if (null == checkCode) {
 return null;
 }

 // 将前17位与第18位校验码拼接
 idcard17 += checkCode;
 }
 } else { // 身份证包含数字
 return null;
 }
 return idcard17;
 }

 
 public boolean isIdcard(String idcard) {
 return idcard == null || "".equals(idcard) ? false : Pattern.matches(
 "(^\d{15}$)|(\d{17}(?:\d|x|X)$)", idcard);
 }

 
 public boolean is15Idcard(String idcard) {
 return idcard == null || "".equals(idcard) ? false : Pattern.matches(
 "^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$",
 idcard);
 }

 
 public boolean is18Idcard(String idcard) {
 return Pattern
 .matches(
 "^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([\d|x|X]{1})$",
 idcard);
 }

 
 public boolean isDigital(String str) {
 return str == null || "".equals(str) ? false : str.matches("^[0-9]*$");
 }

 
 public int getPowerSum(int[] bit) {

 int sum = 0;

 if (power.length != bit.length) {
 return sum;
 }

 for (int i = 0; i < bit.length; i++) {
 for (int j = 0; j < power.length; j++) {
 if (i == j) {
 sum = sum + bit[i] * power[j];
 }
 }
 }
 return sum;
 }

 
 public String getCheckCodeBySum(int sum17) {
 String checkCode = null;
 switch (sum17 % 11) {
 case 10:
 checkCode = "2";
 break;
 case 9:
 checkCode = "3";
 break;
 case 8:
 checkCode = "4";
 break;
 case 7:
 checkCode = "5";
 break;
 case 6:
 checkCode = "6";
 break;
 case 5:
 checkCode = "7";
 break;
 case 4:
 checkCode = "8";
 break;
 case 3:
 checkCode = "9";
 break;
 case 2:
 checkCode = "x";
 break;
 case 1:
 checkCode = "0";
 break;
 case 0:
 checkCode = "1";
 break;
 }
 return checkCode;
 }

 
 public int[] converCharToInt(char[] c) throws NumberFormatException {
 int[] a = new int[c.length];
 int k = 0;
 for (char temp : c) {
 a[k++] = Integer.parseInt(String.valueOf(temp));
 }
 return a;
 }

 public static void main(String[] args) throws Exception {
 
 String idcard15 = "142431199001145";//15位
 String idcard18 = "121212121212121212";//18位
 IdcardValidator iv = new IdcardValidator();
 System.out.println(iv.isValidatedAllIdcard(idcard15));
 System.out.println(iv.isValidatedAllIdcard(idcard18));
 
 }
}

根据身份证号提取身份证相关信息 

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;


public class IdcardInfoExtractor {
 // 省份
 private String province;
 // 城市
 private String city;
 // 区县
 private String region;
 // 年份
 private int year;
 // 月份
 private int month;
 // 日期
 private int day;
 // 性别
 private String gender;
 // 出生日期
 private Date birthday;

 private Map cityCodeMap = new HashMap() {
 {
 this.put("11", "北京");
 this.put("12", "天津");
 this.put("13", "河北");
 this.put("14", "山西");
 this.put("15", "内蒙古");
 this.put("21", "辽宁");
 this.put("22", "吉林");
 this.put("23", "黑龙江");
 this.put("31", "上海");
 this.put("32", "江苏");
 this.put("33", "浙江");
 this.put("34", "安徽");
 this.put("35", "福建");
 this.put("36", "江西");
 this.put("37", "山东");
 this.put("41", "河南");
 this.put("42", "湖北");
 this.put("43", "湖南");
 this.put("44", "广东");
 this.put("45", "广西");
 this.put("46", "海南");
 this.put("50", "重庆");
 this.put("51", "四川");
 this.put("52", "贵州");
 this.put("53", "云南");
 this.put("54", "西藏");
 this.put("61", "陕西");
 this.put("62", "甘肃");
 this.put("63", "青海");
 this.put("64", "宁夏");
 this.put("65", "新疆");
 this.put("71", "台湾");
 this.put("81", "香港");
 this.put("82", "澳门");
 this.put("91", "国外");
 }
 };

 private IdcardValidator validator = null;

 
 public IdcardInfoExtractor(String idcard) {
 try {
 validator = new IdcardValidator();
 if (validator.isValidatedAllIdcard(idcard)) {
 if (idcard.length() == 15) {
 idcard = validator.convertIdcarBy15bit(idcard);
 }
 // 获取省份
 String provinceId = idcard.substring(0, 2);
 Set key = this.cityCodeMap.keySet();
 for (String id : key) {
 if (id.equals(provinceId)) {
 this.province = this.cityCodeMap.get(id);
 break;
 }
 }

 // 获取性别
 String id17 = idcard.substring(16, 17);
 if (Integer.parseInt(id17) % 2 != 0) {
 this.gender = "男";
 } else {
 this.gender = "女";
 }

 // 获取出生日期
 String birthday = idcard.substring(6, 14);
 Date birthdate = new SimpleDateFormat("yyyyMMdd")
 .parse(birthday);
 this.birthday = birthdate;
 GregorianCalendar currentDay = new GregorianCalendar();
 currentDay.setTime(birthdate);
 this.year = currentDay.get(Calendar.YEAR);
 this.month = currentDay.get(Calendar.MONTH) + 1;
 this.day = currentDay.get(Calendar.DAY_OF_MONTH);
 }
 } catch (Exception e) {
 e.printStackTrace();
 }
 }

 
 public String getProvince() {
 return province;
 }

 
 public String getCity() {
 return city;
 }

 
 public String getRegion() {
 return region;
 }

 
 public int getYear() {
 return year;
 }

 
 public int getMonth() {
 return month;
 }

 
 public int getDay() {
 return day;
 }

 
 public String getGender() {
 return gender;
 }

 
 public Date getBirthday() {
 return birthday;
 }

 @Override
 public String toString() {
 return "省份：" + this.province + ",性别：" + this.gender + ",出生日期："
 + this.birthday;
 }

 public static void main(String[] args) {
 String idcard = "121212121212121212";
 IdcardInfoExtractor ie = new IdcardInfoExtractor(idcard);
 System.out.println(ie.toString());
 }
}

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