身份证号码18位与15位转换

身份证18位与15位转换

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/**

* 身份证工具类

* @author Kobe

* @version 2011-08-08

*/

public class IdcardUtils extends StringUtils {

/** 中国公民身份证号码最小长度。*/

public static final int CHINA_ID_MIN_LENGTH = 15;

/** 中国公民身份证号码最大长度。*/

public static final int CHINA_ID_MAX_LENGTH = 18;

/** 省、直辖市代码表*/

public static final 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*/

public static final 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*/

public static final String verifyCode[] = {

"1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"

};

/** 最低年限*/

public static final int MIN = 1930;

public static Map cityCodes = new HashMap();

/** 台湾身份首字母对应数字*/

public static Map twFirstCode = new HashMap();

/** 香港身份首字母对应数字*/

public static Map hkFirstCode = new HashMap(); static {

cityCodes.put("11", "北京");

cityCodes.put("12", "天津");

cityCodes.put("13", "河北");

cityCodes.put("14", "山西");

cityCodes.put("15", "内蒙古");

cityCodes.put("21", "辽宁");

cityCodes.put("22", "吉林");

cityCodes.put("23", "黑龙江");

cityCodes.put("31", "上海");

cityCodes.put("32", "江苏");

cityCodes.put("33", "浙江");

cityCodes.put("34", "安徽");

cityCodes.put("35", "福建");

cityCodes.put("36", "江西");

cityCodes.put("37", "山东");

cityCodes.put("41", "河南");

cityCodes.put("42", "湖北");

cityCodes.put("43", "湖南");

cityCodes.put("44", "广东");

cityCodes.put("45", "广西");

cityCodes.put("46", "海南");

cityCodes.put("50", "重庆");

cityCodes.put("51", "四川");

cityCodes.put("52", "贵州");

cityCodes.put("53", "云南");

cityCodes.put("54", "西藏");

cityCodes.put("61", "陕西");

cityCodes.put("62", "甘肃");

cityCodes.put("63", "青海");

cityCodes.put("64", "宁夏");

cityCodes.put("65", "新疆");

cityCodes.put("71", "台湾");

cityCodes.put("81", "香港");

cityCodes.put("82", "澳门");

cityCodes.put("91", "国外");

twFirstCode.put("A", 10);

twFirstCode.put("B", 11);

twFirstCode.put("C", 12);

twFirstCode.put("D", 13);

twFirstCode.put("E", 14);

twFirstCode.put("F", 15);

twFirstCode.put("G", 16);

twFirstCode.put("H", 17);

twFirstCode.put("J", 18);

twFirstCode.put("K", 19);

twFirstCode.put("L", 20);

twFirstCode.put("M", 21);

twFirstCode.put("N", 22);

twFirstCode.put("P", 23);

twFirstCode.put("Q", 24);

twFirstCode.put("R", 25);

twFirstCode.put("S", 26);

twFirstCode.put("T", 27);

twFirstCode.put("U", 28);

twFirstCode.put("V", 29);

twFirstCode.put("X", 30);

twFirstCode.put("Y", 31);

twFirstCode.put("W", 32);

twFirstCode.put("Z", 33);

twFirstCode.put("I", 34);

twFirstCode.put("O", 35);

hkFirstCode.put("A", 1);

hkFirstCode.put("B", 2);

hkFirstCode.put("C", 3);

hkFirstCode.put("R", 18);

hkFirstCode.put("U", 21);

hkFirstCode.put("Z", 26);

hkFirstCode.put("X", 24);

hkFirstCode.put("W", 23);

hkFirstCode.put("O", 15);

hkFirstCode.put("N", 14);

}

/**

* 将15位身份证号码转换为18位

* @param idCard

* 15位身份编码

* @return 18位身份编码

*/

public static String conver15CardTo18(String idCard) { String idCard18 = "";

if (idCard.length() != CHINA_ID_MIN_LENGTH) { return null;

}

if (isNum(idCard)) {

// 获取出生年月日

String birthday = idCard.substring(6, 12);