feat: 备注完善

yanghb

2024-12-24 fe6e43d5e1144156d0ca4e9d6080c9821c25d97c

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package com.zzg.common.utils;
 
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
public class IdCardUtils {
    /**
     * 验证身份证号合法性
     *
     * @param idCardNumber
     * @return
     */
    public static boolean validateIDCardNumber(String idCardNumber) {
        if (idCardNumber.trim().length() == 15) {
            String regex = "^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$";
            Pattern pattern = Pattern.compile(regex);
            Matcher matcher = pattern.matcher(idCardNumber);
            return matcher.matches();
        } else {
            String regex = "^[1-9]\\d{5}(18|19|([23]\\d))\\d{2}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}(\\d|X|x)$";
            // 匹配身份证号
            if (idCardNumber.matches(regex)) {
                // 计算校验位
                char[] chars = idCardNumber.toCharArray();
                int sum = 0;
                for (int i = 0; i < 17; i++) {
                    int num = Character.getNumericValue(chars[i]);
                    sum += num * Math.pow(2, 17 - i);
                }
                int mod = sum % 11;
                char[] checkBits = {'1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'};
                char checkBit = checkBits[mod];
 
                // 检查校验位
                return checkBit == Character.toUpperCase(chars[17]);
            }
        }
 
        return false;
    }
 
    public static void main(String[] args) {
        System.out.println(validateIDCardNumber("510781501006355"));
        System.out.println(validateIDCardNumber("510113700501001"));
        System.out.println(validateIDCardNumber("510802199405285649"));
        System.out.println(validateIDCardNumber("210113196802287424"));
        System.out.println(validateIDCardNumber("510113199212205310"));
        System.out.println(validateIDCardNumber("51011319950201042X"));
        System.out.println(validateIDCardNumber("510113197012275049"));
        System.out.println(validateIDCardNumber("510113990700032866"));
        System.out.println(validateIDCardNumber("5107221973042345588"));
    }
}