import java.text.ParseException; 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; /** * 身份证号码验证: * 1、号码的结构 公民身份号码是特征组合码,由十七位数字本体码和一位校验码组成。排列顺序从左至右依次为:六位数字地址码, 八位数字出生日期码,三位数字顺序码和一位数字校验码。 * 2、地址码(前六位数),表示编码对象常住户口所在县(市、旗、区)的行政区划代码,按GB/T2260的规定执行。 * 3、出生日期码(第七位至十四位)表示编码对象出生的年、月、日,按GB/T7408的规定执行,年、月、日代码之间不用分隔符。 * 4、顺序码(第十五位至十七位)表示在同一地址码所标识的区域范围内,对同年、同月、同日出生的人编定的顺序号, 顺序码的奇数分配给男性,偶数分配给女性。 * 5、校验码(第十八位数) * (1)十七位数字本体码加权求和公式 S = Sum(Ai * Wi), i = 0, ... , 16 ,先对前17位数字的权求和 * Ai:表示第i位置上的身份证号码数字值 Wi:表示第i位置上的加权因子 Wi: 7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2 * (2)计算模 Y = mod(S, 11) (3)通过模得到对应的校验码 Y: 0 1 2 3 4 5 6 7 8 9 10 校验码: 1 0 X 9 8 7 6 5 4 3 2 * *@author zhoubl *@since 2014-4-28 下午3:00:32 *@see */ public class IDCard { /** * @param args */ public static void main(String[] args) throws ParseException{ // TODO Auto-generated method stub // String IDCardNum="210102820826411"; // String IDCardNum="210102198208264114"; String IDCardNum = "210181198807193116"; IDCard cc = new IDCard(); System.out.println(cc.IDCardValidate(IDCardNum)); // System.out.println(cc.isDate("1996-02-29")); } private String IDCardValidate(String iDCardNum) throws ParseException{ // TODO Auto-generated method stub String errorInfo = ""; 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 = ""; //1.判断长度 if(iDCardNum.length()!=15&&iDCardNum.length()!=18){ errorInfo = "身份证号码长度应该为15位或18位。"; return errorInfo; } //2.截取地址码和日期码 if(iDCardNum.length() == 18){ Ai = iDCardNum.substring(0, 17); }else if(iDCardNum.length() == 15){ if(iDCardNum.substring(12, 15).equals("996")|| iDCardNum.substring(12, 15).equals("997")|| iDCardNum.substring(12, 15).equals("998")|| iDCardNum.substring(12, 15).equals("999")) { Ai = iDCardNum.substring(0, 6) + "18" + iDCardNum.substring(6, 15); }else{ Ai = iDCardNum.substring(0, 6) + "19" + iDCardNum.substring(6, 15); } } //3.判断是否都为数字 if(isNumber(Ai) == false){ errorInfo = "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。"; return errorInfo; } //4.判断日期码是否正确 String strYear = Ai.substring(6, 10); String strMonth = Ai.substring(10, 12); String strDay = Ai.substring(12, 14); if (isDate(strYear + "-" + strMonth + "-" + strDay) == false) { errorInfo = "身份证生日无效。"; return errorInfo; } 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) { errorInfo = "身份证生日不在有效范围。"; return errorInfo; } } catch (NumberFormatException e) { e.printStackTrace(); } catch (java.text.ParseException e) { e.printStackTrace(); } if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) { errorInfo = "身份证月份无效"; return errorInfo; } if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) { errorInfo = "身份证日期无效"; return errorInfo; } //5.判断地区码是否有效 Hashtable<String, String> h = GetAreaCode(); if (h.get(Ai.substring(0, 2)) == null) { errorInfo = "身份证地区编码错误。"; return errorInfo; } //6.判断最后一位 int TotalMulAiWi = 0; for (int i = 0; i < Ai.length(); i++) { TotalMulAiWi += Integer.parseInt(String.valueOf(Ai.charAt(i)))*Integer.parseInt(Wi[i]); } int modValue = TotalMulAiWi % 11; String strVerifyCode = ValCodeArr[modValue]; Ai = Ai + strVerifyCode; if (iDCardNum.length() == 18) { if (Ai.equals(iDCardNum) == false) { errorInfo = "身份证无效,不是合法的身份证号码"; return errorInfo; } } else { return ""; } return null; } private Hashtable<String, String> GetAreaCode() { // TODO Auto-generated method stub 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; } private static boolean isDate(String strDate) { // TODO Auto-generated method stub 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 isNum = pattern.matcher(strDate); if(isNum.matches()){ return true; }else{ return false; } } private static boolean isNumber(String ai) { // TODO Auto-generated method stub Pattern pattern = Pattern.compile("[0-9]*"); Matcher isNum = pattern.matcher(ai); if(isNum.matches()){ return true; }else{ return false; } } }