7.通过用户ID获取其分类列表
### 7.通过用户ID获取其分类列表
** POST为了兼容老版接口所以用POST表单
** /lib/category/list
**
```
user_id:用户ID(非必填,不填就默认为当前用户的ID)
token:接口令牌(必填)
```
返回值
```
{
"result": true,
"errno": 0,
"msg": "成功",
"data": [
{
"label_id": "0",
"label_name": "",
"total": "0"
},
{
"label_id": "4338",
"label_name": "test_label1",
"total": "0"
},
{
"label_id": "4337",
"label_name": "test_label2",
"total": "0"
}
]
}
```