io.afu.utils.string.IdcardUtils Maven / Gradle / Ivy

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package io.afu.utils.string;


import io.afu.utils.common.constant.CommonConstant;
import io.afu.utils.common.constant.ConstantEnum;
import io.afu.utils.datetime.DateUtils;
import io.afu.utils.exception.BaseException;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 中国身份证号码助手
 */
public class IdcardUtils {

    /**
     * 18位身份证号识别助手，通过正则来的，该方法适用于中华人民共和95年起的方法，如果有所改变，需要自行修改。
     * @param idcard 需要处理的身份证号
     * @return Boolean true为是中国身份证，false为非中国身份证
     *
     */
    public static Boolean checkIfIsChineseIdcard(String idcard) throws BaseException{
        int length = idcard.length();
        if (length != 15 && length != 18){
            // System.out.println("非法身份证："+idcard);
            throw new BaseException(ConstantEnum.IDCARD_ILLEGAL);
        }
        if (length == 15){
            return true;
        }
        if (length ==18){
            String patten = "^(11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|51|52|53|54|50|61|62|63|64|65|71|81|82)\\d{4}([1-3][0-9])\\d{9}(\\d|X|x)$";
            Pattern p = Pattern.compile(patten);
            Matcher m = p.matcher(idcard);
            if (m.find()){
                return true;
            }
        }
        return false;
    }

    /**
     * 从身份证号上获取生日
     * @param idcard 身份证号
     * @return String 生日String
     * @throws BaseException 抛出错误
     */
    public static String getBirthFromIdcard(String idcard) throws BaseException{
        if (checkIfIsChineseIdcard(idcard)){
            return idcard.substring(6,14);
        }
        return null;
    }


    /**
     * 获取身份证出生年份
     * @param idcard 身份证
     * @return String 出生年份
     * @throws BaseException 抛出错误
     */
    public static String getBirthYear(String idcard) throws BaseException{
        if (idcard.length() == 18){
            return idcard.substring(6,10);
        }else if (idcard.length() == 15){
            return "19"+idcard.substring(6,8);
        }
        throw new BaseException(ConstantEnum.IDCARD_ILLEGAL);
    }

    /**
     * 判断年龄段
     * @param idcard 身份证号
     * @return 身份证所属年龄段
     */
    public static String getAgeStage(String idcard) throws BaseException{
        String thisYear = DateUtils.getThisYear();
        String birthYear = getBirthYear(idcard);
        if (thisYear != null && birthYear != null){
            Integer disparity = Integer.valueOf(thisYear) - Integer.valueOf(birthYear);
            if (disparity<0){
                throw new BaseException(ConstantEnum.BIRTH_YEAR_ILLEGAL);
            }
            if (disparity>0&&disparity<=10){
                return "0-10";
            }
            if (disparity>10&&disparity<=20){
                return "10-20";
            }

            if (disparity>20&&disparity<=30){
                return "20-30";
            }
            if (disparity>30&&disparity<=40){
                return "30-40";
            }
            if (disparity>40&&disparity<=50){
                return "40-50";
            }
            if (disparity>50&&disparity<=60){
                return "50-60";
            }
            if (disparity>60&&disparity<=70){
                return "60-70";
            }
            if (disparity>70&&disparity<=80){
                return "70-80";
            }
            if (disparity>80&&disparity<=90){
                return "80-90";
            }
            return "other";
        }
        throw new BaseException(ConstantEnum.BIRTH_YEAR_ILLEGAL);
    }

    /**
     * 通过身份证判断男女
     * @param idcard 身份证号码
     * @return Integer 1为男2为女
     * @throws BaseException 抛出错误
     */
    public static Integer judgeGender(String idcard) throws BaseException {
        String strGender = "";
        if (idcard.length() == 18){
            strGender = idcard.substring(16,17);
        }else if (idcard.length() == 15){
            strGender = idcard.substring(14,15);
        }else {
            throw new BaseException(ConstantEnum.IDCARD_ILLEGAL);
        }
        Integer intGender = Integer.valueOf(strGender);
        if ((intGender % 2) == 0){
            return CommonConstant.GENDER_MAN;
        }else {
            return CommonConstant.GENDER_WOMAN;
        }
    }




    public static void main(String[] args){
        try {
            Boolean stat = checkIfIsChineseIdcard("331003198911073116");
            System.out.println("args = [" + stat + "]");
            System.out.println("args = [" + getBirthFromIdcard("") + "]");
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd");
            Date newDate = simpleDateFormat.parse("");
            System.out.println(simpleDateFormat.format(newDate));
        }catch (Exception e){
            e.printStackTrace();
        }

    }







}