data.json

{
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            "cat_name": "大家电",
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            "cat_level": 0,
            "cat_deleted": false,
            "cat_icon": "/full/none.jpg",
            "children": [
                {
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                    "cat_name": "电视",
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                    "cat_level": 1,
                    "cat_deleted": false,
                    "cat_icon": "/full/none.jpg",
                    "children": [
                        {
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                            "cat_name": "曲面电视",
                            "cat_pid": 3,
                            "cat_level": 2,
                            "cat_deleted": false,
                            "cat_icon": "https://api-hmugo-web.itheima.net/full/2fb113b32f7a2b161f5ee4096c319afedc3fd5a1.jpg"
                        }
                    ]
                }
    ],
    "meta": {
        "msg": "获取成功",
        "status": 200
    }
    }
               ]
}