java 判断身份证号是不是合法 工具类
原创    lido_me    发表于:2018-04-23 10:23:00
  阅读 :58   收藏   编辑
package com;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Hashtable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class IDCardValidUtil {

    /**
     * 判断字符串是否为数字
     * @param str
     * @return
     */
    private static boolean isNumeric(String str) {
        Pattern pattern = Pattern.compile("[0-9]*");
        Matcher isNum = pattern.matcher(str);
        if (isNum.matches()) {
            return true;
        } else {
            return false;
        }
    }


    /**
     * 判断字符串是否为日期格式
     * @param str
     * @return
     */
    public static boolean isDate(String strDate) {
        Pattern pattern = Pattern
                .compile("^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$");
        Matcher m = pattern.matcher(strDate);
        if (m.matches()) {
            return true;
        } else {
            return false;
        }
    }

     /**
     * 功能:身份证的有效验证
     * 
     * @param IDStr
     *            身份证号
     * @return 有效:返回"" 无效:返回String信息
     * @throws Exception
     */
    public static Boolean IDCardValidate(String IDStr) throws IllegalArgumentException {
        String[] ValCodeArr = { "1", "0", "x", "9", "8", "7", "6", "5", "4","3", "2" };
        String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7","9", "10", "5", "8", "4", "2" };
        String Ai = "";
        // ================ 号码的长度 15位或18位 ================
        if (IDStr.length() != 15 && IDStr.length() != 18) {
            throw new  IllegalArgumentException("身份证号码长度应该为15位或18位。");
        }

        // ================ 数字 除最后以为都为数字 ================
        if (IDStr.length() == 18) {
            Ai = IDStr.substring(0, 17);
        } else if (IDStr.length() == 15) {
            Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15);
        }
        if (isNumeric(Ai) == false) {
             throw new  IllegalArgumentException( "身份证15位号码都应为数字 ; 18位号码除最后一位外,都应为数字。");
        }

        // ================ 出生年月是否有效 ================
        String strYear = Ai.substring(6, 10);// 年份
        String strMonth = Ai.substring(10, 12);// 月份
        String strDay = Ai.substring(12, 14);// 月份
        if (isDate(strYear + "-" + strMonth + "-" + strDay) == false) {
             throw new  IllegalArgumentException("身份证生日无效。");
        }
        GregorianCalendar gc = new GregorianCalendar();
        SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd");
        try {
            if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150
                    || (gc.getTime().getTime() - s.parse(
                            strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) {
                 throw new  IllegalArgumentException( "身份证生日不在有效范围。");
            }
        } catch (NumberFormatException e) {
            e.printStackTrace();
        } catch (java.text.ParseException e) {
            e.printStackTrace();
        }
        if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {
             throw new  IllegalArgumentException("身份证月份无效");
        }
        if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {
             throw new  IllegalArgumentException("身份证日期无效");
        }

        // ================ 地区码时候有效 ================
        Hashtable<String,String> h = GetAreaCode();
        if (h.get(Ai.substring(0, 2)) == null) {
             throw new  IllegalArgumentException("身份证地区编码错误。");
        }

        // ================ 判断最后一位的值 ================
        int TotalmulAiWi = 0;
        for (int i = 0; i < 17; i++) {
            TotalmulAiWi = TotalmulAiWi
                    + Integer.parseInt(String.valueOf(Ai.charAt(i)))
                    * Integer.parseInt(Wi[i]);
        }
        int modValue = TotalmulAiWi % 11;
        String strVerifyCode = ValCodeArr[modValue];
        Ai = Ai + strVerifyCode;      
        if (IDStr.length() == 18) {
            //校验位X时统一小写
            Ai = Ai.toLowerCase();
            IDStr = IDStr.toLowerCase();
            if (Ai.equals(IDStr) == false) {
                 throw new  IllegalArgumentException("身份证无效,不是合法的身份证号码");
            }
        } else {
            return Boolean.TRUE;
        }
        return Boolean.TRUE;
    }



    /**
     * 地区编码
     */
    private static  Hashtable<String,String> GetAreaCode() {
        Hashtable<String,String> hashtable = new  Hashtable<String,String>();
        hashtable.put("11", "北京");
        hashtable.put("12", "天津");
        hashtable.put("13", "河北");
        hashtable.put("14", "山西");
        hashtable.put("15", "内蒙古");
        hashtable.put("21", "辽宁");
        hashtable.put("22", "吉林");
        hashtable.put("23", "黑龙江");
        hashtable.put("31", "上海");
        hashtable.put("32", "江苏");
        hashtable.put("33", "浙江");
        hashtable.put("34", "安徽");
        hashtable.put("35", "福建");
        hashtable.put("36", "江西");
        hashtable.put("37", "山东");
        hashtable.put("41", "河南");
        hashtable.put("42", "湖北");
        hashtable.put("43", "湖南");
        hashtable.put("44", "广东");
        hashtable.put("45", "广西");
        hashtable.put("46", "海南");
        hashtable.put("50", "重庆");
        hashtable.put("51", "四川");
        hashtable.put("52", "贵州");
        hashtable.put("53", "云南");
        hashtable.put("54", "西藏");
        hashtable.put("61", "陕西");
        hashtable.put("62", "甘肃");
        hashtable.put("63", "青海");
        hashtable.put("64", "宁夏");
        hashtable.put("65", "新疆");
        hashtable.put("71", "台湾");
        hashtable.put("81", "香港");
        hashtable.put("82", "澳门");
        hashtable.put("91", "国外");
        return hashtable;
    }


    public static void main(String[] args) throws Exception {
        System.err.println(IDCardValidate("310226198702101492"));
    }
}
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