Java递归实现迷宫游戏

public class MiGong {
    public static void main(String[] args) {
        int[][] map = new int[8][8];
        /**
         * 初始化迷宫
         */
        for (int i = 0; i < 8; i++) {
            map[0][i] = 1;
            map[7][i] = 1;
            map[i][0] = 1;
            map[i][7] = 1;
        }
        for (int i = 0; i < 4; i++) {
            map[3][1+i] = 1;
            map[5][6-i] = 1;
        }
        System.out.println("======迷宫形状======");
        for (int i = 0; i < map.length; i++) {
            for (int j = 0; j < map[i].length; j++) {
                System.out.print(map[i][j]+" ");
            }
            System.out.println();
        }

        getWay(map,1,1);

        System.out.println("======行走轨迹======");
        for (int i = 0; i < map.length; i++) {
            for (int j = 0; j < map[i].length; j++) {
                System.out.print(map[i][j]+" ");
            }
            System.out.println();
        }
    }

    public static boolean getWay(int[][] map,int i,int j){
        if (map[6][6] == 2){              //已经到达终点
            return true;
        }else {
            if (map[i][j] == 0){          //当前位置还没走过
                map[i][j] = 2;
                if (getWay(map,i+1,j)){  //向下走
                    return true;
                }
                if (getWay(map,i,j+1)){  //向右走
                    return true;
                }
                if (getWay(map,i,j-1)){  //向左走
                    return true;
                }
                if (getWay(map,i-1,j)){  //向上走
                    return true;
                }else{
                    map[i][j] = 3;         //四边都走不通
                    return false;
                }
            }else{                         //如果不是0就说明过不了或者走过了
                return false;
            }
        }
    }
}