不想打字了看代碼吧。一個朋友發的，但是比較有用吧，文件中錄入的身份證地址的可能有些出入，極少數。

import java.io.IOException; import java.io.InputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Properties; import java.util.Scanner; import java.util.Set;public class IDCardFactory {public static void main(String[] args) {Properties prop = new Properties();InputStream in = IDCardFactory.class.getResourceAsStream("city.properties");try {prop.load(in);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}validateIdcard(prop);}private static void validateIdcard(Properties prop) {// TODO Auto-generated method stubString idcard = new Scanner(System.in).nextLine().trim();char[] chs = idcard.toCharArray();int[] ins = new int[18];for (int i = 0; i < chs.length - 1; i++) {ins[i]= Integer.parseInt(String.valueOf(chs[i]));}int[] invali = {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2};int sum=0;for (int i = 0; i < ins.length-1; i++) {sum += ins[i] * invali[i];}int endint = sum % 11;String[] model ={"1","0","X","9","8","7","6","5","4","3","2"};String endstr = model[endint];String inendstr = String.valueOf(chs[chs.length-1]);if(!endstr.equals(inendstr)){System.out.println("身份證號碼輸入非法！");return;}String sex="男";if(ins[ins.length-2] % 2 == 0){sex = "女";}System.out.println("身份證號碼："+idcard+",籍貫："+prop.getProperty(idcard.substring(0, 6))+",性別："+sex);}private static void creatIdCard(Properties prop) {Set<Object> keys= prop.keySet();double ran = Math.random();long index = Math.round(ran * 3146); long starttime = -639129600000L;long dtcl = Math.round( ran * 1564617600000L);SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");String birthday = format.format(new Date(starttime + dtcl));String [] strs = {"0","1","2","3","4","5","6","7","8","9"};String sign="";for (int i = 0; i < 3; i++) {sign += strs[(int)Math.round(Math.random() * 8)];}Object[] keyArr = keys.toArray();String key = keyArr[(int)index].toString();String value = prop.getProperty(key);createIDNum(key,value,birthday,sign);}private static void createIDNum(String key,String value,String birthday,String sign) {char[] chs = (key+birthday+sign).toCharArray();int[] ins = new int[17];for (int i = 0; i < chs.length; i++) {ins[i]= Integer.parseInt(String.valueOf(chs[i]));}int[] invali = {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2};int sum=0;for (int i = 0; i < ins.length; i++) {sum += ins[i] * invali[i];}int endint = sum % 11;String[] model ={"1","0","X","9","8","7","6","5","4","3","2"};String endstr = model[endint];String idcardnum = key+birthday+sign+endstr;String sex="男";if(Integer.parseInt(sign) % 2 == 0){sex = "女";}System.out.println("身份證號碼："+idcardnum+",籍貫："+value+",性別："+sex);}}

這個是從鍵盤錄入進行判斷的。
.properties文件…在網盤里拿吧。
獲取properties文件內容，不知道請自行百度。

提取碼: aby1

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