我总是发现定制关系的文档有点缺乏。我将在这里扩展HasOneThrough：
则仅表示关系已被加载,直接返回if($this->relationLoaded($key)){return$this->relations[$key];}//确定给定的键是否是模型上的关系方法if(!$this->isRelation($key)){return;}//处理延迟加载冲突if($this->preventsLazyLoading){$this->handleLazyLoadingViolation($key);}return$this->getRelationshipFromMeth...
The belongsTo relationship allows you to define a default model that will be returned if the given relationship is null. This pattern is often referred to as the Null Object pattern and can help remove conditional checks in your code. In the following example, the user relation will return ...
My functionuserLinkgives me the error :Relationship method must return an object of type Illuminate\Database\Eloquent\Relations\Relation Also is there another way for me to access the linked user from Drawing with some kind of eager loading trick? I have several different type ofusers. ...
This is a great place to add any eager relationship loading that may be necessary before importing your models:/** * Modify the query used to retrieve models when making all of the models searchable. * * @param \Illuminate\Database\Eloquent\Builder $query * @return \Illuminate\Database\...
我在照明中有一个对象,它有一个关系,可以根据主对象的属性返回不同的求值。idElement'); default: }这会产生一个错误"Relationship方法必须在执行"default“部分时返回Illuminate\Database\Eloquent\Relations\Relation”类型的对象 浏览4提问于2016-09-21得票数 2 ...
your model name isEventsand the foreign key isevent_idinCourtModel, singular and plural issue. so change the relationship inEventsmodel adding the second parameter publicfunctioncourts(){return$this->hasMany(Court::class,'event_id'); }
Laravel 9.x Eloquent method with return error Call to undefined relationship [customer] on model \App\Models\SaleOrderGeneral
publicfunctionshow(Task$task){returnView::make('tasks.show',compact('task')); } 注意在这里我们使用了laravel5提供的route model binding特性,我们在控制器中使用Task类typehinting了task参数,而该task参数,而该task参数和routes.php中定义的wildcast路由Route::get('tasks/{task}','xxx'}定义的task相匹配,...
(); // Returns all countries having translations Country::translated()->get(); // Eager loads translation relationship only for the default // and fallback (if enabled) locale Country::withTranslation()->get(); // Returns an array containing pairs of country ids and the translated // ...