新增品牌与分类关联关系 websocket测试 POST product/categorybrandrelation/save 请求参数 ```JSON {"brandId":1,"catelogId":2} ``` 响应示例 ```JSON { "msg": "success", "code": 0, "data": [ { "catelogId": 0, "catelogName": "string", } ] } ```
```JSON { "msg": "success", "code": 0, "data": [ { "catelogId": 0, "catelogName": "string", } ] } ```