以下数组

Array
(
    [0] => Array
        (
            [id] => 0
            [name] => 通信与信息工程学院
            [sub24] => Array
                (
                    [0] => Array
                        (
                            [classid] => 157
                            [classname] => 24011010
                        )

                    [1] => Array
                        (
                            [classid] => 170
                            [classname] => 24011020
                        )

                    [2] => Array
                        (
                            [classid] => 183
                            [classname] => 24011030
                        )

                )

            [sub23] => Array
                (
                    [0] => Array
                        (
                            [classid] => 60
                            [classname] => 23011010
                        )

                    [1] => Array
                        (
                            [classid] => 73
                            [classname] => 23011030
                        )

                    [2] => Array
                        (
                            [classid] => 85
                            [classname] => 23012030
                        )


                )

            [sub22] => Array
                (
                    [0] => Array
                        (
                            [classid] => 1
                            [classname] => 22011010
                        )

                    [1] => Array
                        (
                            [classid] => 13
                            [classname] => 22012010
                        )

                    [2] => Array
                        (
                            [classid] => 24
                            [classname] => 22012020
                        )

                )

        )

弄过的说说！

一个 sub22 循环一个表格 中