获取-商品分类列表

{
    "data": [
        {
            "cat_id": 1,
            "cat_name": "大家电",
            "cat_pid": 0,
            "cat_level": 0,
            "cat_deleted": false,
            "children": [
                {
                    "cat_id": 3,
                    "cat_name": "电视",
                    "cat_pid": 1,
                    "cat_level": 1,
                    "cat_deleted": false,
                    "children": [
                        {
                            "cat_id": 6,
                            "cat_name": "曲面电视",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 7,
                            "cat_name": "海信",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 8,
                            "cat_name": "夏普",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 9,
                            "cat_name": "创维",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 10,
                            "cat_name": "TCL",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 11,
                            "cat_name": "PPTV",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 12,
                            "cat_name": "小米",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 13,
                            "cat_name": "长虹",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 14,
                            "cat_name": "康佳",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 15,
                            "cat_name": "三星",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 16,
                            "cat_name": "飞利浦",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 17,
                            "cat_name": "索尼",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 18,
                            "cat_name": "先锋",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 19,
                            "cat_name": "家庭影院",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 20,
                            "cat_name": "音响",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        },
                        {
                            "cat_id": 21,
                            "cat_name": "盒子",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false
                        }
                    ]
                },
                {
                    "cat_id": 4,
                    "cat_name": "空调",