1 package test;
2
3 import java.util.Scanner;
4
5 public class test {
6 public static void main(String[] args) {
7 Scanner scanner=new Scanner(System.in);
8 System.out.println("请输入个数：");
9 int num=scanner.nextInt();
10 int[][] l=new int[num][num];
11 int co=0;
12 int q;
13 if(num%2==0) {
14 q=num/2;
15 }else {
16 q=(num-1)/2;
17 }
18 int f=1;
19 for(int j=0;j<q;j++) {
20 int i1=0,i2=0,i3=0,i4=0;
21 for(int i=0;i<num-1-j*2;i++) {
22 i1=l[j][i+j]=i+f;
23 }
24
25 for(int i=0;i<num-1-j*2;i++) {
26 i2=l[i+j][num-1-j]=i1+i+1;
27 }
28 for(int i=0;i<num-1-j*2;i++) {
29 i3=l[num-1-j][num-1-j-i]=i2+i+1;
30 }
31 for(int i=0;i<num-1-j*2;i++) {
32 i4=l[num-i-1-j][j]=i3+i+1;
33 }
34 f=i4+1;
35 System.out.println("F为"+f);
36 }
37 for(int j=0;j<num;j++) {
38 for(int i=0;i<num;i++) {
39 System.out.print(l[j][i]+"\t");
40 }
41 System.out.println();
42 }
43 }
44 }
