// 是否全都为数字
if (isDigital(idcard)) {
String provinceid = idcard.substring(0, 2);
String birthday = idcard.substring(6, 12);
int year = Integer.parseInt(idcard.substring(6, 8));
int month = Integer.parseInt(idcard.substring(8, 10));
int day = Integer.parseInt(idcard.substring(10, 12));
// 判断是否为合法的省份
boolean flag = false;
for (String id : cityCode) {
if (id.equals(provinceid)) {
flag = true;
break;
}
}
if (!flag) {
return false;
}
// 该身份证生出日期在当前日期之后时为假
Date birthdate = null;
try {
birthdate = new SimpleDateFormat("yyMMdd").parse(birthday);
} catch (ParseException e) {
e.printStackTrace();
}
if (birthdate == null || new Date().before(birthdate)) {
return false;
}
// 判断是否为合法的年份
GregorianCalendar curDay = new GregorianCalendar();
int curYear = curDay.get(Calendar.YEAR);
int year2bit = Integer.parseInt(String.valueOf(curYear)
.substring(2));
// 判断该年份的两位表示法，小于50的和大于当前年份的，为假
if ((year < 50 && year > year2bit)) {
return false;
}
/**
* 将身份证的每位和对应位的加权因子相乘之后，再得到和值
*
* @param bit
* @return
*/
public int getPowerSum(int[] bit) {
int sum = 0;
if (power.length != bit.length) {
return sum;
}
for (int i = 0; i < bit.length; i++) {
for (int j = 0; j < power.length; j++) {
if (i == j) {
sum = sum + bit[i] * power[j];
}
}
}
return sum;
}
/**
* 将和值与11取模得到余数进行校验码判断
*
* @param checkCode
* @param sum17
* @return 校验位
*/
public String getCheckCodeBySum(int sum17) {
String checkCode = null;
switch (sum17 % 11) {
case 10:
checkCode = "2";
break;
case 9:
checkCode = "3";
break;
case 8:
checkCode = "4";
break;
case 7:
checkCode = "5";
break;
case 6:
checkCode = "6";
break;
case 5:
checkCode = "7";
break;
case 4:
checkCode = "8";
break;
case 3:
checkCode = "9";
break;
case 2:
checkCode = "x";
break;
case 1:
checkCode = "0";
break;
case 0:
checkCode = "1";
break;
}
return checkCode;
}
/**
* 将字符数组转为整型数组
*
* @param c
* @return
* @throws NumberFormatException
*/
public int[] converCharToInt(char[] c) throws NumberFormatException {
int[] a = new int[c.length];
int k = 0;
for (char temp : c) {
a[k++] = Integer.parseInt(String.valueOf(temp));
}
return a;
}
public static void main(String[] args) throws Exception {
String idcard15 = "130503670401001";
String idcard18 = "32132119881011****";
String idcard = "130503670401001";
IdcardValidator iv = new IdcardValidator();
boolean flag = false;
flag = iv.isValidate18Idcard(idcard18);
System.out.println("18位身份证号校验"+flag);
flag = iv.isValidate15Idcard(idcard15);
System.out.println("15位身份证号校验"+ flag);
System.out.println("15位转18位身份证号" + iv.convertIdcarBy15bit(idcard15));
flag = iv.isValidate18Idcard(iv.convertIdcarBy15bit(idcard15));
System.out.println("15位转18位身份证号校验" + flag);