5607 查询集合列表 App.Guest_Set.Query

请求：
{你的接口域名}/?s=App.Guest_Set.Query&key=students&keyword=dogstar&app_key={你的app_key}&sign={动态签名}

返回：
{
    "ret": 200,
    "data": {
        "err_code": 0,
        "err_msg": "",
        "items": [
            {
                "id": 65,
                "key": "students",
                "data": {
                    "username": "dogstar",
                    "age": 18
                },
                "keyword": "dogstar",
                "weight": 0,
                "add_time": "2018-07-02 23:28:21",
                "update_time": ""
            }
        ],
        "total": 1,
        "page": 1,
        "perpage": 10
    },
    "msg": ""
}