public static boolean ckeckIDNoFormat(String IDNo) {
if(null == IDNo || "".equals(IDNo.trim())) {
return false;
}
String regx = "(^[1-9]\\d{5}(18|19|20)\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}[0-9Xx]$)|" +
"(^[1-9]\\d{5}\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}$)";
Pattern p = Pattern.compile(regx);
Matcher m = p.matcher(IDNo);
boolean matches = false;
matches = m.matches();
if (matches) {
if (IDNo.length() == 18) {
try {
char[] charArray = IDNo.toCharArray();
//前十七位加权因子
int[] idCardWi = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
//这是除以11后，可能产生的11位余数对应的验证码
String[] idCardY = {"1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"};
int sum = 0;
for (int i = 0; i < idCardWi.length; i++) {
int current = Integer.parseInt(String.valueOf(charArray[i]));
int count = current * idCardWi[i];
sum += count;
}
char idCardLast = charArray[17];
int idCardMod = sum % 11;
if (idCardY[idCardMod].toUpperCase().equals(String.valueOf(idCardLast).toUpperCase())) {
return true;
} else {
System.out.println("身份证"+IDNo+"最后一位:" + String.valueOf(idCardLast).toUpperCase() +
"错误,正确的应该是:" + idCardY[idCardMod].toUpperCase());
return false;
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("异常:" + IDNo);
return false;
}
}
}
return matches;
}