如何在laravel中转换此查询

Question

有人可以帮助我，请问如何将其转换为laravel中的db查询

select a.extn
from access as a
where not exists( select * from users as u where u.accesskey= a.accesskey)

提前谢谢。

Answer 1

假设访问表的型号名称为Access：

$result = Access::select('extn')->whereNotIn('accesskey', User::select('accesskey')->toArray());