1 public class IDCardVerify {  2   3     private String errorInfo;  4   5     // wi =2(n-1)(mod 11)  6     final int[] wi = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1 };  7     // verify digit  8     final int[] vi = { 1, 0, ‘X‘, 9, 8, 7, 6, 5, 4, 3, 2 };  9     private int[] ai = new int[18]; 10     private static String[] _areaCode = { "11", "12", "13", "14", "15", "21", 11             "22", "23", "31", "32", "33", "34", "35", "36", "37", "41", "42", 12             "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", 13             "63", "64", "65", "71", "81", "82", "91" }; 14     private static HashMap<String, Integer> dateMap; 15     private static HashMap<String, String> areaCodeMap; 16     static { 17         dateMap = new HashMap<String, Integer>(); 18         dateMap.put("01", 31); 19         dateMap.put("02", null); 20         dateMap.put("03", 31); 21         dateMap.put("04", 30); 22         dateMap.put("05", 31); 23         dateMap.put("06", 30); 24         dateMap.put("07", 31); 25         dateMap.put("08", 31); 26         dateMap.put("09", 30); 27         dateMap.put("10", 31); 28         dateMap.put("11", 30); 29         dateMap.put("12", 31); 30         areaCodeMap = new HashMap<String, String>(); 31         for (String code : _areaCode) { 32             areaCodeMap.put(code, null); 33         } 34     } 35  36     // 验证身份证位数,15位和18位身份证 37     public boolean verifyLength(String code) { 38         int length = code.length(); 39         if (length == 15 || length == 18) { 40             return true; 41         } else { 42             errorInfo = "错误：输入的身份证号不是15位和18位的"; 43             return false; 44         } 45     } 46  47     // 判断地区码 48     public boolean verifyAreaCode(String code) { 49         String areaCode = code.substring(0, 2); 50         // Element child= _areaCodeElement.getChild("_"+areaCode); 51         if (areaCodeMap.containsKey(areaCode)) { 52             return true; 53         } else { 54             errorInfo = "错误：输入的身份证号的地区码(1-2位)[" + areaCode 55                     + "]不符合中国行政区划分代码规定(GB/T2260-1999)"; 56             Log.e("---------", errorInfo); 57             return false; 58         } 59     } 60  61     // 判断月份和日期 62     public boolean verifyBirthdayCode(String code) { 63         // 验证月份 64         String month = code.substring(10, 12); 65         boolean isEighteenCode = (18 == code.length()); 66         if (!dateMap.containsKey(month)) { 67             errorInfo = "错误：输入的身份证号" 68                     + (isEighteenCode ? "(11-12位)" : "(9-10位)") + "不存在[" 69                     + month + "]月份,不符合要求(GB/T7408)"; 70             return false; 71         } 72         // 验证日期 73         String dayCode = code.substring(12, 14); 74         Integer day = dateMap.get(month); 75         String yearCode = code.substring(6, 10); 76         Integer year = Integer.valueOf(yearCode); 77         String currentTime = StringUtil.formateDateToDay(System 78                 .currentTimeMillis()); 79         Integer currentYear = Integer.valueOf(currentTime.substring(0, 4)); 80         int age = currentYear - year; 81         // Log.e("----------", currentTime+";"+currentYear+";"+age+""); 82         if (age <= 16 || age >= 115) { 83             return false; 84         } 85         // 非2月的情况 86         if (day != null) { 87             if (Integer.valueOf(dayCode) > day || Integer.valueOf(dayCode) < 1) { 88                 errorInfo = "错误：输入的身份证号" 89                         + (isEighteenCode ? "(13-14位)" : "(11-13位)") + "[" 90                         + dayCode + "]号不符合小月1-30天大月1-31天的规定(GB/T7408)"; 91                 return false; 92             } 93         } 94         // 2月的情况 95         else { 96             // 闰月的情况 97             if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) { 98                 if (Integer.valueOf(dayCode) > 29 99                         || Integer.valueOf(dayCode) < 1) {100                     errorInfo = "错误：输入的身份证号"101                             + (isEighteenCode ? "(13-14位)" : "(11-13位)") + "["102                             + dayCode + "]号在" + year103                             + "闰年的情况下未符合1-29号的规定(GB/T7408)";104                     return false;105                 }106             }107             // 非闰月的情况108             else {109                 if (Integer.valueOf(dayCode) > 28110                         || Integer.valueOf(dayCode) < 1) {111                     errorInfo = "错误：输入的身份证号"112                             + (isEighteenCode ? "(13-14位)" : "(11-13位)") + "["113                             + dayCode + "]号在" + year114                             + "平年的情况下未符合1-28号的规定(GB/T7408)";115                     return false;116                 }117             }118         }119         return true;120     }121 122     // 验证身份除了最后位其他的是否包含字母123     public boolean containsAllNumber(String code) {124         String str = "";125         if (code.length() == 15) {126             str = code.substring(0, 15);127         } else if (code.length() == 18) {128             str = code.substring(0, 17);129         }130         char[] ch = str.toCharArray();131         for (int i = 0; i < ch.length; i++) {132             if (!(ch[i] >= ‘0‘ && ch[i] <= ‘9‘)) {133                 errorInfo = "错误：输入的身份证号第" + (i + 1) + "位包含字母";134                 return false;135             }136         }137         return true;138     }139 140     public String getCodeError() {141         return errorInfo;142     }143 144     // 验证身份证145     public boolean verify(String idcard) {146         errorInfo = "";147         // 验证身份证位数,15位和18位身份证148         if (!verifyLength(idcard)) {149             return false;150         }151         // 验证身份除了最后位其他的是否包含字母152         if (!containsAllNumber(idcard)) {153             return false;154         }155 156         // 如果是15位的就转成18位的身份证157         String eifhteencard = "";158         if (idcard.length() == 15) {159             eifhteencard = uptoeighteen(idcard);160         } else {161             eifhteencard = idcard;162         }163         // 验证身份证的地区码164         if (!verifyAreaCode(eifhteencard)) {165             return false;166         }167         // 判断月份和日期168         if (!verifyBirthdayCode(eifhteencard)) {169             return false;170         }171         // 验证18位校验码,校验码采用ISO 7064：1983，MOD 11-2 校验码系统172         if (!verifyMOD(eifhteencard)) {173             return false;174         }175         return true;176     }177 178     // 验证18位校验码,校验码采用ISO 7064：1983，MOD 11-2 校验码系统179     public boolean verifyMOD(String code) {180         String verify = code.substring(17, 18);181         if ("x".equals(verify)) {182             code = code.replaceAll("x", "X");183             verify = "X";184         }185         String verifyIndex = getVerify(code);186         if (verify.equals(verifyIndex)) {187             return true;188         }189         // int x=17;190         // if(code.length()==15){191         // x=14;192         // }193         errorInfo = "错误：输入的身份证号最末尾的数字验证码错误";194         return false;195     }196 197     // 获得校验位198     public String getVerify(String eightcardid) {199         int remaining = 0;200 201         if (eightcardid.length() == 18) {202             eightcardid = eightcardid.substring(0, 17);203         }204 205         if (eightcardid.length() == 17) {206             int sum = 0;207             for (int i = 0; i < 17; i++) {208                 String k = eightcardid.substring(i, i + 1);209                 ai[i] = Integer.parseInt(k);210             }211 212             for (int i = 0; i < 17; i++) {213                 sum = sum + wi[i] * ai[i];214             }215             remaining = sum % 11;216         }217 218         return remaining == 2 ? "X" : String.valueOf(vi[remaining]);219     }220 221     // 15位转18位身份证222     public String uptoeighteen(String fifteencardid) {223         String eightcardid = fifteencardid.substring(0, 6);224         eightcardid = eightcardid + "19";225         eightcardid = eightcardid + fifteencardid.substring(6, 15);226         eightcardid = eightcardid + getVerify(eightcardid);227         return eightcardid;228     }229 }