{
    "button": [
        {
            "type": "view",
            "name": "tx",
            "url": "http://www.qq.com/",
            "sub_button": []
        },
        {
            "type": "view",
            "name": "tx",
            "url": "http://www.qq.com/",
            "sub_button": []
        },
        {
            "type": "view",
            "name": "tx",
            "url": "http://www.qq.com/",
            "sub_button": []
        }
    ]
}