Laravel Eloquent关系子关系？
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Laravel Eloquent Relationship Sub-Relationship?
提问by thesunneversets
I have an Offer class with the following relationship:
我有一个具有以下关系的 Offer 类：
class Offer extends Model
{
public function releases()
{
return $this->belongsToMany('App\Release');
}
}
The Release class has this relationship:
Release 类具有以下关系：
class Release extends Model
{
public function artist()
{
return $this->belongsTo('App\Artist');
}
}
What is the simplest way of amending
最简单的修改方法是什么
App\Offer::with('releases')->get();
So as to also get Artist information in each release?
以便在每个版本中也获得艺术家信息？
回答by ArjanSchouten
You can do this by:
您可以通过以下方式执行此操作：
App\Offer::with('releases.artist')->get();
You can look at: http://laravel.com/docs/5.1/eloquent-relationships#querying-relationsfor more information.
您可以查看：http: //laravel.com/docs/5.1/eloquent-relationships#querying-relations了解更多信息。
If you have multiple releations you can query them by doing:
如果您有多个关系，您可以通过执行以下操作来查询它们：
App\Offer::with(['releases.artist', 'releases.albums'])->get();
When you scrolldown a bit you see
当您向下滚动一点时，您会看到
// Retrieve all posts that have at least one comment with votes...
$posts = Post::has('comments.votes')->get();
Remember the "dot" notations is a standard convention of Laravel. For example loading a view:
请记住，“点”符号是 Laravel 的标准约定。例如加载视图：
view('folder.viewfile');
The same applies to eloquents nested relationships.
这同样适用于 eloquents 嵌套关系。
