smarty 循环输出栏目

Array
(
    [0] => Array
        (
            [1] => 居家娱乐
            [6] => 居家区域
            [7] => 居家功能
        )

    [1] => Array
        (
            [2] => 家庭音响
            [3] => 家庭影院
            [4] => 背景音乐
            [5] => 家庭KTV
        )

    [6] => Array
        (
            [8] => 阳台走道
            [12] => 客厅
            [16] => 餐厅
            [20] => 卧室
            [24] => 厨房
            [25] => 儿童房
            [29] => 卫生间
            [30] => 书房
            [31] => 户外庭院
        )

    [8] => Array
        (
            [9] => 休闲椅
            [10] => 吊篮/吊椅
            [11] => 休闲桌
        )

    [12] => Array
        (
            [13] => 茶几/边桌
            [14] => 电视柜
            [15] => 沙发
        )

    [16] => Array
        (
            [17] => 餐边柜
            [18] => 餐桌
            [19] => 餐椅
        )

    [20] => Array
        (
            [21] => 床垫
            [22] => 床头柜
            [23] => 床
        )

    [25] => Array
        (
            [26] => 儿童衣柜
            [27] => 儿童床
            [28] => 儿童床头柜
        )

    [7] => Array
        (
            [32] => 环境温度
            [33] => 灯光控制
            [34] => 电动窗帘
            [35] => 监控安防
            [36] => 智能门锁
            [37] => 自动感应
            [38] => 一键控制
            [39] => 远程控制
            [40] => 新风系统
            [41] => 水质净化
        )

)