java 迷宫1

package com.my.test;import java.util.Arrays;import java.util.Scanner;/** * @author Administrator *   4       3         2 * 1111111 11111 * 1222221 12221     * 1233321 12321  -> -> 111  * 1234321 12221        121 * 1233321 11111        111 * 1222221 * 1111111 * 的算法 */public class Test1 {private enum direct{left,right,up,down}public void init(){Scanner sc  = new Scanner(System.in);System.out.print("请输入回旋的阶数：");String level = "1";Integer level_no = 1; try {level = sc.next();level_no = Integer.parseInt(level);} catch (RuntimeException e) {e.printStackTrace();}next_step1(level_no);}private void next_step1(Integer level_no) {int high = level_no * 2 -1;String[][] nums = new String[high][high];if(high == 1){for (int i = 0; i < nums.length; i++) {for(int j = 0;j<nums[i].length;j++){nums[i][j] = add_zero(1, level_no);}}}else{int temp = 1;for (int i = 0; i < nums.length; i++) {if(i < (high / 2  )){//上半部分int t1 = 1;for(int j = 0;j<nums[i].length;j++){if(i == 0){nums[i][j] = add_zero(t1,level_no);}else{if(j < (high / 2 + 1)){nums[i][j] = add_zero(t1,level_no);t1++;if(t1>=temp){t1 = temp;}}else{if(t1>=temp){t1=temp;}nums[i][j] = add_zero(t1,level_no);if(j >= (high - temp)){t1--;}}}}temp++;}else if(i == (high / 2 )){int t1 = 1;for(int j = 0;j<nums[i].length;j++){if(j < (high / 2 + 1)){nums[i][j] = add_zero(t1,level_no);t1++;if(t1>=temp){t1 = temp;}}else{if(t1>=temp){t1=temp;}t1--;nums[i][j] = add_zero(t1,level_no);}}}else{//下半部分temp--;int t1 = 1;for(int j = 0;j<nums[i].length;j++){if(j < (high / 2 + 1)){nums[i][j] = add_zero(t1,level_no);t1++;if(t1>=temp){t1 = temp;}}else{if(t1>=temp){t1=temp;}nums[i][j] = add_zero(t1, level_no);if(j >= (high - temp)){t1--;}}}}}}for (int i = 0; i < nums.length; i++) {System.out.println(Arrays.toString(nums[i]));}}private String add_zero(Integer t1,int level_no) { Integer temp = level_no;          String s = temp.toString();           Integer len = s.length();          Integer l = t1.toString().length();          String zero = "";          for(int i = 1;i<=len -l;i++ ){              zero = zero + "0";          }          return zero + t1;   }public static void main(String args[]){new Test1().init();}}