Java驗證身份證號碼是否有效

用java代碼驗證身份證號碼是否有效


Java驗證身份證號碼是否有效

身份證號碼驗證


詳細代碼如下:

MatcherUtils.java

<code>
public class MatcherUtils {


/***
* 驗證是不是有效的身份證號
* @param certNo
* @return
*/
public static boolean isIDCard(String certNo) {
return ValidateIDCardUtils.isIDCard(certNo);
}

}/<code>


ValidateIDCardUtils.java

<code>public class ValidateIDCardUtils {

final static Map<integer> zoneNum = new HashMap<integer>();

static {
zoneNum.put(11, "北京");
zoneNum.put(12, "天津");
zoneNum.put(13, "河北");
zoneNum.put(14, "山西");
zoneNum.put(15, "內蒙古");
zoneNum.put(21, "遼寧");
zoneNum.put(22, "吉林");
zoneNum.put(23, "黑龍江");
zoneNum.put(31, "上海");
zoneNum.put(32, "江蘇");
zoneNum.put(33, "浙江");
zoneNum.put(34, "安徽");
zoneNum.put(35, "福建");
zoneNum.put(36, "江西");
zoneNum.put(37, "山東");
zoneNum.put(41, "河南");
zoneNum.put(42, "湖北");
zoneNum.put(43, "湖南");
zoneNum.put(44, "廣東");
zoneNum.put(45, "廣西");
zoneNum.put(46, "海南");
zoneNum.put(50, "重慶");
zoneNum.put(51, "四川");
zoneNum.put(52, "貴州");
zoneNum.put(53, "雲南");
zoneNum.put(54, "西藏");
zoneNum.put(61, "陝西");
zoneNum.put(62, "甘肅");
zoneNum.put(63, "青海");
zoneNum.put(64, "新疆");
zoneNum.put(71, "臺灣");
zoneNum.put(81, "香港");
zoneNum.put(82, "澳門");
zoneNum.put(91, "外國");
}

final static int[] PARITYBIT = {'1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'};
final static int[] POWER_LIST = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};

/**
* 身份證驗證
*
* @param certNo 號碼內容
* @return 是否有效 null和"" 都是false
*/
public static boolean isIDCard(String certNo) {
if (certNo == null || (certNo.length() != 15 && certNo.length() != 18)) {
return false;
}

final char[] cs = certNo.toUpperCase().toCharArray();
// 校驗位數
int power = 0;
for (int i = 0; i < cs.length; i++) {
if (i == cs.length - 1 && cs[i] == 'X') {
break;// 最後一位可以 是X或x
}
if (cs[i] < '0' || cs[i] > '9') {
return false;
}
if (i < cs.length - 1) {
power += (cs[i] - '0') * POWER_LIST[i];
}
}

// 校驗區位碼
if (!zoneNum.containsKey(Integer.valueOf(certNo.substring(0, 2)))) {
return false;
}

// 校驗年份
String year = null;
year = certNo.length() == 15 ? getIdcardCalendar(certNo) : certNo.substring(6, 10);

final int iyear = Integer.parseInt(year);
if (iyear < 1900 || iyear > Calendar.getInstance().get(Calendar.YEAR)) {
return false;// 1900年的PASS,超過今年的PASS
}
// 校驗月份
String month = certNo.length() == 15 ? certNo.substring(8, 10) : certNo.substring(10, 12);
final int imonth = Integer.parseInt(month);
if (imonth < 1 || imonth > 12) {
return false;
}

// 校驗天數
String day = certNo.length() == 15 ? certNo.substring(10, 12) : certNo.substring(12, 14);
final int iday = Integer.parseInt(day);
if (iday < 1 || iday > 31) {
return false;
}

// 校驗出生日期
String birthday = year + "-" + month + "-" + day;
if (!isValidDate(birthday, "yyyy-MM-dd")) {
return false;
}

// 校驗"校驗碼"
if (certNo.length() == 15) {
return true;
}
return cs[cs.length - 1] == PARITYBIT[power % 11];
}

private static String getIdcardCalendar(String certNo) {
// 獲取出生年月日
String birthday = certNo.substring(6, 12);
SimpleDateFormat ft = new SimpleDateFormat("yyMMdd");
Date birthdate = null;
try {
birthdate = ft.parse(birthday);
} catch (java.text.ParseException e) {
e.printStackTrace();
}
Calendar cday = Calendar.getInstance();
cday.setTime(birthdate);
String year = String.valueOf(cday.get(Calendar.YEAR));
return year;
}

public static boolean isValidDate(String date, String dateFormat) {
boolean convertSuccess = true;
SimpleDateFormat format = new SimpleDateFormat(dateFormat);
try {
format.setLenient(false);
format.parse(date);
} catch (ParseException e) {
convertSuccess = false;
}
return convertSuccess;
}

}
/<integer>/<integer>/<code>


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