# xbackend

x后端  使用 mongo 数据库

### casbin 接口权限控制

修改 utils\casbin\model\assertion.py  20行
为了能定义角色访问所有域
```python
for rule in self.policy:
    if len(rule) < count:
        pass
        # raise RuntimeError("grouping policy elements do not meet role definition")
    if len(rule) > count:
        rule = rule[:count]
```