身份证校验

package com.scd.core;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Hashtable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegexID {

/**
* 判断给定的字符串是不是符合身份证号的要求
*
* @param str
* @return
*/
public static boolean isIdCardNo(String str) {
if (str == null)
return false;
int len = str.length();
if (len != 15 && len != 18)
return false;
for (int i = 0; i < len; i++) {
try {
Integer.parseInt("" + str.charAt(i));
} catch (NumberFormatException e) {
return false;
}
}
return true;
}

/**
*
* @param century
* 19xx 年用 19，20xx 年用 20
* @param idCardNo15
* 待转换的 15 位身份证号码
* @return
*/
public static String from15to18(int century, String idCardNo15) {
System.out.println(idCardNo15);
String centuryStr = "" + century;
if (century < 0 || centuryStr.length() != 2)
throw new IllegalArgumentException("世纪数无效！应该是两位的正整数。");
if (!(isIdCardNo(idCardNo15) && idCardNo15.length() == 15))
throw new IllegalArgumentException("旧的身份证号格式不正确！");
int[] weight = new int[] { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5,
8, 4, 2, 1 };
// 通过加入世纪码, 变成 17 为的新号码本体.
String newNoBody = idCardNo15.substring(0, 6) + centuryStr
+ idCardNo15.substring(6);
// 下面算最后一位校验码
int checkSum = 0;
for (int i = 0; i < 17; i++) {
int ai = Integer.parseInt("" + newNoBody.charAt(i)); // 位于 i 位置的数值
checkSum = checkSum + ai * weight[i];
}
int checkNum = checkSum % 11;
String checkChar = null;
switch (checkNum) {
case 0:
checkChar = "1";
break;
case 1:
checkChar = "0";
break;
case 2:
checkChar = "X";
break;
default:
checkChar = "" + (12 - checkNum);
}
return newNoBody + checkChar;
}

public static String from18to15(String idCardNo18) {
if (!(isIdCardNo(idCardNo18) && idCardNo18.length() == 18))
throw new IllegalArgumentException("身份证号参数格式不正确！");
return idCardNo18.substring(0, 6) + idCardNo18.substring(8, 17);
}

public static boolean IDCarValidate(String IDStr) {
boolean flag = true;
System.out.println(IDStr.length());
String idno = "";// 错误信息
String[] ValCodeArr = { "1", "0", "X", "9", "8", "7", "6", "5", "4",
"3", "2", "X" };
String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7",
"9", "10", "5", "8", "4", "2" };
String Ai = "";
if (IDStr.length() != 15 && IDStr.length() != 18) {
idno = "身份证号码长度应该为15位或18位。";
flag = false;
}
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) {
idno = "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。";
flag = false;
}
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) {
idno = "身份证生日无效。";
flag = false;
}
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) {
idno = "身份证生日不在有效范围。";
flag = false;
}
} catch (NumberFormatException e) {
e.printStackTrace();
} catch (ParseException e) {
e.printStackTrace();
}
if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {
idno = "身份证月份无效";
flag = false;
}
if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {
idno = "身份证日期无效";
flag = false;
}
Hashtable<String, String> h = GetAreaCode();
if (h.get(Ai.substring(0, 2)) == null) {
idno = "身份证地区编码错误。";
flag = false;
}
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 (!isNumeric(IDStr)) {
IDStr = IDStr.substring(0, IDStr.length() - 1)
+ IDStr.substring(IDStr.length() - 1).toUpperCase();
}
System.out.println(Ai.equals(IDStr));
if (Ai.equals(IDStr) == false) {
idno = "身份证无效，不是合法的身份证号码";
flag = false;
}
} else if (IDStr.length() == 15) {
IDStr = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15)
+ strVerifyCode;
if (Ai.equals(IDStr) == false) {
flag = false;
}
} else {
flag = false;
}
System.out.println(idno);
return flag;
}

/*
* 功能：判断字符串是否为日期格式
*
* @param str
*
* @return
*/
private 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])))))?$");
Matcher m = pattern.matcher(strDate);
if (m.matches()) {
return true;
} else {
return false;
}
}

/**
* 功能：判断字符串是否为数字
*
* @param str
* @return
*/
public static boolean isNumeric(String str) {
Pattern pattern = Pattern.compile("[0-9]*");
Matcher isNum = pattern.matcher(str);
if (isNum.matches()) {
return true;
} else {
return false;
}
}

/**
* 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;
}

public static void main(String[] args) {
// String str = "370802940221002 ";
String str = "41032819920711054X";
String IDStr = str.replace(" ", "");
System.out.println(IDStr.length());
boolean flag = isNumeric(str.substring(0, str.length() - 1));
if (flag) {
if (IDStr.length() == 18) {
System.out.println(str);
} else if (IDStr.length() == 15) {
System.out.println(">>>>>>>>" + IDStr.length());
IDStr = from15to18(19, IDStr);

} else if (IDStr.length() != 15 || IDStr.length() != 18) {
String error = "身份证号不正确";
System.out.println(error);
}
boolean regex = RegexID.IDCarValidate(IDStr);
if (regex) {
System.out.println(regex);
}
}
if (!flag) {
String st = "输入的号码含有非法的字符";
System.out.println(st);
}

// System.out.println(from15to18(19, "XXXXXXXXXXXXXXX"));
// System.out.println(from18to15("XXXXXXXXXXXXXXXXXX"));
}

}