身份证认证

落日映苍穹つ 2022-06-12 23:27 199阅读 0赞

在安卓开发中，经常也会遇到需要验证身份证号码正确性的事情，本文提供一系列函数，主要实现对身份证的验证，请参看下面函数：

//身份证号码验证：start  
/\*\*  
\* 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 ParseException  
\*/  
public String IDCardValidate(String IDStr) throws ParseException \{  
String errorInfo = "";// 记录错误信息  
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) \{  
errorInfo = "身份证号码长度应该为15位或18位。";  
return errorInfo;  
\}  
// =======================(end)========================  
  
// ================ 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) \{  
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;  
\}  
// =======================(end)========================  
  
// ================ 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 (isDataFormat(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");  
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;  
\}  
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;  
\}  
// =====================(end)=====================  
  
// ================ 地区码时候有效 ================  
Hashtable h = GetAreaCode();  
if (h.get(Ai.substring(0, 2)) == null) \{  
errorInfo = "身份证地区编码错误。";  
return errorInfo;  
\}  
// ==============================================  
  
// ================ 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) \{  
if (Ai.equals(IDStr) == false) \{  
errorInfo = "身份证无效，不是合法的身份证号码";  
return errorInfo;  
\}  
\} else \{  
return "";  
\}  
// =====================(end)=====================  
return "";  
\}  
  
/\*\*  
\* 功能：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;  
\}  
\}  
  
/\*\*  
\* 功能：设置地区编码  
\* @return Hashtable 对象  
\*/  
private static Hashtable GetAreaCode() \{  
Hashtable hashtable = new Hashtable();  
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;  
\}

/\*\*验证日期字符串是否是YYYY-MM-DD格式  
\* @param str  
\* @return  
\*/  
public boolean isDataFormat(String str)\{  
boolean flag=false;  
//String regxStr="\[1-9\]\[0-9\]\{3\}-\[0-1\]\[0-2\]-((0\[1-9\])|(\[12\]\[0-9\])|(3\[01\]))";  
String regxStr="^((\\\\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)|(\\\\:(\[0-5\]?\[0-9\])))))?$";  
Pattern pattern1=Pattern.compile(regxStr);  
Matcher isNo=pattern1.matcher(str);  
if(isNo.matches())\{  
flag=true;  
\}  
return flag;  
\}

/\*\*  
\* 功能：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;  
\}  
\}