Yii2 对象 之间 多对多 怎么通过关联表实现？

[sharehua (8080268)]

yii1我是这样做的

'departmentManageList' => array(self::MANY_MANY,'Department','_core_user_departmentmanage_link(user_id, department_id)'),

[qiang (Qiang Xue)]

https://github.com/yiisoft/yii2/blob/master/docs/guide/active-record.md#relations-with-pivot-table