35 lines
1003 B
Java
35 lines
1003 B
Java
package Course_Codes;
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import java.util.Scanner;
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//身份证号合理性验证
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public class 身份证号合理性验证 {
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public static void main(String[] args) {
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String idCard="";//存储身份证（尾号可能出现X，因此用String）
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//身份证各数字权值：7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2 1
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int [] w= {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1};
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//权值对11取余的值
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String [] last= {"1","0","X","9","8","7","6","5","4","3","2"};
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System.out.println("Please input your ID:");
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Scanner sc=new Scanner(System.in);
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idCard =sc.nextLine();
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//截取身份证号前17位
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String id_17=idCard.substring(0,17);
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int sum=0;
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for(int i=0;i<id_17.length();i++) {
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//将String类型的身份证号转化为整型
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int n=Integer.parseInt(id_17.substring(i,i+1));//法2:charAt(i-'0');
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sum=sum+n*w[i];
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}
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System.out.printf("sum=%d,sum=%%11=%d\n",sum,sum%11);
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if(idCard.substring(17,18).equals(last[sum%11]))
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System.out.println("Yes");
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else
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System.out.print("No");
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}
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}
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