java 检验身份证号格式

package com.mhj.test;

import java.util.Arrays;
import java.util.HashSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class IdCardTest {

    public static boolean checkIdcard(String value) {

        int length = 0;

        if (value == null) {
            return false;
        } else {
            length = value.length();

            if (length != 15) {
            } else if (length != 18) {
            } else {
                return false;
            }
        }

        String[] areasArray = { "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" };

        HashSet areasSet = new HashSet(Arrays.asList(areasArray));
        String valueStart2 = value.substring(0, 2);

        if (areasSet.contains(valueStart2)) {
        } else {
            return false;
        }

        Pattern pattern = null;
        Matcher matcher = null;

        int year = 0;
        switch (length) {
        case 15:
            year = Integer.parseInt(value.substring(6, 8)) + 1900;

            if (year % 4 == 0 || (year % 100 == 0 && year % 4 == 0)) {
                pattern = Pattern.compile("^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$"); // 测试出生日期的合法性
            } else {
                pattern = Pattern.compile("^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$"); // 测试出生日期的合法性
            }
            matcher = pattern.matcher(value);
            if (matcher.find()) {
                return true;
            } else {
                return false;
            }
        case 18:
            year = Integer.parseInt(value.substring(6, 10));

            if (year % 4 == 0 || (year % 100 == 0 && year % 4 == 0)) {
                pattern = Pattern.compile("^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$"); // 测试出生日期的合法性
            } else {
                pattern = Pattern.compile("^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$"); // 测试出生日期的合法性
            }

            matcher = pattern.matcher(value);
            if (matcher.find()) {
                int S = (Integer.parseInt(value.substring(0, 1)) + Integer.parseInt(value.substring(10, 11))) * 7 + (Integer.parseInt(value.substring(1, 2)) + Integer.parseInt(value.substring(11, 12))) * 9
                        + (Integer.parseInt(value.substring(2, 3)) + Integer.parseInt(value.substring(12, 13))) * 10 + (Integer.parseInt(value.substring(3, 4)) + Integer.parseInt(value.substring(13, 14))) * 5
                        + (Integer.parseInt(value.substring(4, 5)) + Integer.parseInt(value.substring(14, 15))) * 8 + (Integer.parseInt(value.substring(5, 6)) + Integer.parseInt(value.substring(15, 16))) * 4
                        + (Integer.parseInt(value.substring(6, 7)) + Integer.parseInt(value.substring(16, 17))) * 2 + Integer.parseInt(value.substring(7, 8)) * 1 + Integer.parseInt(value.substring(8, 9)) * 6 + Integer.parseInt(value.substring(9, 10)) * 3;
                int Y = S % 11;
                String M = "F";
                String JYM = "10X98765432";
                M = JYM.substring(Y, Y + 1); // 判断校验位
                if (M.equals(value.substring(17, 18))) {
                    return true; // 检测ID的校验位
                } else {
                    return false;
                }
            } else {
                return false;
            }
        default:
            return false;
        }
    }

    public static void main(String[] args) {
         String cardId="32032319231212223X";
        
         System.out.println(checkIdcard(cardId));

    }
}