注解:
@ManyMany(from = "userId", relation = "sys_user_role", to = "roleId") @J4EIgnore private List<Sys_role> roles;
sys_user_role也有一条数据但是查询结果里面rolse返回为空数组
看看userId值，肯定不一样
眼花了 其实已经获取到了...
