ArrayList<String> arrayList = new ArrayList<>();

        try {

            File file = new File(path);

            InputStreamReader input = new InputStreamReader(new FileInputStream(file));

            BufferedReader bf = new BufferedReader(input);

            // 按行读取字符串

            String str;

            while ((str = bf.readLine()) != null) {

                arrayList.add(str);

            }

            bf.close();

            input.close();

        } catch (IOException e) {

            e.printStackTrace();

        }

        // 对ArrayList中存储的字符串进行处理

        int length = arrayList.size();

        int width = arrayList.get(0).split(" ").length;

        int array[][] = new int[length][width];

        for (int i = 0; i < length; i++) {

            for (int j = 0; j < width; j++) {

                String s = arrayList.get(i).split(" ")[j];

                array[i][j] = Integer.parseInt(s);

            }

        }

        for (int i = 0; i < length; i++) {

            for (int j = 0; j < width; j++) {

                System.out.print(array[i][j] + " ");

            }

            System.out.println();

        }

    private static void file(String fileName) throws Exception {

        int array[][] = new int[1024][1024];

        File file = new File(fileName);

        Scanner sc = new Scanner(file);

        String[] odd = new String[40]; // 奇数行数据

        String[] even = new String[40]; // 偶数行数据

        int length = 0;

        int column = 0;

        int rows = 1;

        while (sc.hasNextLine()) {

            if ((rows % 2) == 1) { // 奇数行

                odd = sc.nextLine().split("\\s{1,}");  // split("\\2{1,}");不论字符中间有多少个空格都当作一个空格处理

                for (int i = 0; i < odd.length-1; i++) {

                    array[length][i] = Integer.parseInt(odd[i]);

                }

            } else if ((rows % 2) == 0) { // 偶数行

                even = sc.nextLine().split("\\s{1,}");

                for (int i = 0; i < even.length-1; i++) {

                    array[length][i] = Integer.parseInt(even[i]);

                }

            }

            if (rows == 2) {

                column = even.length;

            }

            length++;

            rows++;

        }

        sc.close();

        for (int i = 0; i < length; i++) {

            for (int j = 0; j < column; j++) {

                System.out.print(array[i][j] + " ");

            }

            System.out.println();

        }

    }