/**
*
*/
import java.text.SimpleDateFormat;
/**
* @author liu
* @version 2017年4月5日 下午4:11:07
* @purpose
*/
public class Snippet {
private static boolean checkDate(String year, String month, String day) {
SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyyMMdd");
try {
String s3 = year + month + day;
simpledateformat.setLenient(false);
simpledateformat.parse(s3);
} catch (java.text.ParseException parseexception) {
return false;
}
return true;
}
/**
* 校验身份证
*
* @param certiCode
* 待校验身份证
* @return 0--校验成功; 1--位数不对; 2--生日格式不对 ; 3--校验位不对 ; 4--其他异常;5--字符异常;
* @param certiCode
* @return
*/
public static int checkCertiCode(String certiCode) {
try {
if (certiCode == null || certiCode.length() != 15
&& certiCode.length() != 18)
return 1;
String s1;
String s2;
String s3;
if (certiCode.length() == 15) {
if (!checkFigure(certiCode)) {
return 5;
}
s1 = "19" + certiCode.substring(6, 10);
s2 = certiCode.substring(8, 10);
s3 = certiCode.substring(10, 12);
if (!checkDate(s1, s2, s3))
return 2;
}
if (certiCode.length() == 18) {
if (!checkFigure(certiCode.substring(0, 17))) {
return 5;
}
s1 = certiCode.substring(6, 10);
s2 = certiCode.substring(10, 12);
s3 = certiCode.substring(12, 14);
if (!checkDate(s1, s2, s3))
return 2;
if (!checkIDParityBit(certiCode))
return 3;
}
} catch (Exception exception) {
return 4;
}
return 0;
}
/**
* 检查字符串是否全为数字
*
* @param certiCode
* @return
*/
private static boolean checkFigure(String certiCode) {
try {
Long.parseLong(certiCode);
} catch (NumberFormatException e) {
return false;
}
return true;
}
private static boolean checkIDParityBit(String certiCode) {
boolean flag = false;
if (certiCode == null || "".equals(certiCode))
return false;
int ai[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1 };
if (certiCode.length() == 18) {
int i = 0;
for (int k = 0; k < 18; k++) {
char c = certiCode.charAt(k);
int j;
if (c == 'X'||c == 'x')
j = 10;
else if (c <= '9' || c >= '0')
j = c - 48;
else
return flag;
i += j * ai[k];
}
if (i % 11 == 1)
flag = true;
}
return flag;
}
}
