Java身份证验证方法实例详解

import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.GregorianCalendar;import java.util.Hashtable;import java.util.Scanner;import java.util.regex.Matcher;import java.util.regex.Pattern;public class IDCard {        public static String IDCardValidate(String IDStr) {    String errorInfo = "";// 记录错误信息    String[] ValCodeArr = { "1", "0", "x", "9", "8", "7", "6", "5", "4",        "3", "2" };    String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7",        "9", "10", "5", "8", "4", "2" };    String Ai = "";    // ================ 号码的长度 15位或18位 ================    if (IDStr.length() != 15 && IDStr.length() != 18) {      errorInfo = "身份证号码长度应该为15位或18位。";      return errorInfo;    }    // =======================(end)========================    // ================ 数字 除最后以为都为数字 ================    if (IDStr.length() == 18) {      Ai = IDStr.substring(0, 17);    } else if (IDStr.length() == 15) {      Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15);    }    if (isNumeric(Ai) == false) {      errorInfo = "身份证15位号码都应为数字 ; 18位号码除最后一位外，都应为数字。";      return errorInfo;    }    // =======================(end)========================    // ================ 出生年月是否有效 ================    String strYear = Ai.substring(6, 10);// 年份    String strMonth = Ai.substring(10, 12);// 月份    String strDay = Ai.substring(12, 14);// 月份    if (isDate(strYear + "-" + strMonth + "-" + strDay) == false) {      errorInfo = "身份证生日无效。";      return errorInfo;    }    GregorianCalendar gc = new GregorianCalendar();    SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd");    try {      if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150          || (gc.getTime().getTime() - s.parse(              strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) {        errorInfo = "身份证生日不在有效范围。";        return errorInfo;      }    } catch (NumberFormatException e) {      e.printStackTrace();    } catch (java.text.ParseException e) {      e.printStackTrace();    }    if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {      errorInfo = "身份证月份无效";      return errorInfo;    }    if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {      errorInfo = "身份证日期无效";      return errorInfo;    }    // =====================(end)=====================    // ================ 地区码时候有效 ================    Hashtable<?, ?> h = GetAreaCode();    if (h.get(Ai.substring(0, 2)) == null) {      errorInfo = "身份证地区编码错误。";      return errorInfo;    }    // ==============================================    // ================ 判断最后一位的值 ================    int TotalmulAiWi = 0;    for (int i = 0; i < 17; i++) {      TotalmulAiWi = TotalmulAiWi          + Integer.parseInt(String.valueOf(Ai.charAt(i)))          * Integer.parseInt(Wi[i]);    }    int modValue = TotalmulAiWi % 11;    String strVerifyCode = ValCodeArr[modValue];    Ai = Ai + strVerifyCode;    if (IDStr.length() == 18) {      if (Ai.equals(IDStr) == false) {        errorInfo = "身份证无效，不是合法的身份证号码";        return errorInfo;      }    } else {      return "YES";    }    // =====================(end)=====================    return "YES";  }    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;  }    private static boolean isNumeric(String str) {    Pattern pattern = Pattern.compile("[0-9]*");    Matcher isNum = pattern.matcher(str);    if (isNum.matches()) {      return true;    } else {      return false;    }  }    public static boolean isDate(String strDate) {    Pattern pattern = Pattern        .compile("^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?{1}quot;);    Matcher m = pattern.matcher(strDate);    if (m.matches()) {      return true;    } else {      return false;    }  }    @SuppressWarnings("static-access")  public static void main(String[] args) {    // String IDCardNum="210102820826411";    // String IDCardNum="210102198208264114";    while (true) {      Scanner input = new Scanner(System.in);      String n = input.nextLine();      if (n.equals("N") || n.equals("n")) {        break;      }      String IDCardNum = input.nextLine();      IDCard cc = new IDCard();      System.out.println(cc.IDCardValidate(IDCardNum));    }    // System.out.println(cc.isDate("1996-02-29"));  }  }