I give the user the possibility to select some services to have a list of apartments with those services. I have an Apartments table and a Services table in my db, in between them there's a many to many relation
you can create additional relationships filtered by banner type on the pivot https://laravel.com/docs/10.x/eloquent-relationships#filtering-queries-via-intermediate-table-columns Pleasesign inorcreate an accountto participate in this conversation....
...getResults也是每个Relation子类需要实现的方法,这样每种关联都可以根据自己情况去执行查询获取关联模型,现在这个例子用的是一对多关联,在 hasMany类中我们可以看到这个方法的定义如下:...模型关联常用的一些功能的底层实现到这里梳理完了,Laravel把我们平常用的join, where in 和子查询都隐藏在了底层实现中...
一种Laravel 中简单设置多态关系模型别名的方式 作为Laravel 的重度使用者肯定都对多态关系不陌生,以官方文档为例,文章有标签,视频有标签,那么文章和视频这些模型与标签模型的关系就是多态多对多(Many To Many (Polymorphic...))[1] 如果我们给 ID 为 1 的文章打上两个标签,数据库标签关系表的的存储结果就是这...
你可以很容易地找到调查Laravel源代码：字符串我已经通过将关联数组作为Builder::with方法的第一个参数传递...
This package introduces new events for sync(), attach(), detach() or updateExistingPivot() methods on BelongsToMany relation. - fico7489/laravel-pivot
A short example of how to use Laravel Many to Many Polymorphic Relationships with pivot data on the relation table. - ricardov03/polyrelations
laravel MorphToMany关系在我的测试中无法正常工作我自己发现了问题：在测试的设置中，有一个为Order...
class Company extends Model { public function customers() { return $this->belongsToMany('App\Customer', 'company_customers'); } } Customer Modelclass Customer extends Model { public function companies() { return $this->belongsToMany('App\Company','company_customers'); } } ...
三、模型关联Laravel框架中的模型关联功能可以方便地实现数据库表之间的关联。...在Laravel框架中,可以通过hasOne、hasMany、belongsTo、belongsToMany等方法来实现不同类型的关联。...comments表中有一个article_id字段,该字段是外键,指向articles表中的id字段。定义模型关联在Laravel框架中,可以通过在模型中定义关联...