Java实现18位⾝份证校验代码import java.util.Scanner; /**
* 18位⾝份证校验
* @author 【J.H】
*
*/
public class Test {
// ⾝份证校验
public static boolean checkId(String id) {
char[] ch = id.toCharArray();
boolean flag1 = verForm(id);
boolean flag2 = verify(ch);
if (flag1 == true && flag2 == true) {
return true;
}
return false;
}
// <------------------⾝份证格式的正则校验-----------------> public static boolean verForm(String num) {
String reg = "^\\d{15}$|^\\d{17}[0-9Xx]$";
if (!num.matches(reg)) {
return false;
}
return true;
}
// <------------------⾝份证最后⼀位的校验算法----------------->
public static boolean verify(char[] id) {
int sum = 0;
int w[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
char[] ch = { '1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2' };
for (int i = 0; i < id.length - 1; i++) {
sum += (id[i] - '0') * w[i];
}
int c = sum % 11;
char code = ch[c];
char last = id[id.length - 1];
last = last == 'x' ? 'X' : last;
return last == code;
}
public static void main(String[] args){
boolean boo = true;
while (boo) {
System.out.println("请输⼊要校验的⾝份证号码：(F/结束)");
Scanner sc = new Scanner(System.in);
String idCard = sc.nextLine();
if(idCard.equals("F")){
boo = false;
System.out.println("See You");
}else{
System.out.println(checkId(idCard));
}
}
}
}
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