问Laravel Eloquent 'with‘返回null，但是引用对象本身的关系会返回正确的值EN对象的传值与返回 说起函...
正确加载关联数据: 参考链接 Laravel Eloquent Relationships Laravel Eloquent One-to-One Relationship 通过以上方法,可以有效地处理Laravel中一对一关系为Null的问题。相关搜索: laravel关系返回null 关系一对一laravel 5.2 Laravel雄辩关系返回null Laravel hasOneThrough关系返回null Laravel belongsTo关系返回null Laravel一...
The withTrashed method may also be used on a relationship query:1$flight->history()->withTrashed()->get();Retrieving Only Soft Deleted ModelsThe onlyTrashed method will retrieve only soft deleted models:1$flights = App\Flight::onlyTrashed() 2 ->where('airline_id', 1) 3 ->get();...
The withTrashed method may also be used on a relationship query:1$flight->history()->withTrashed()->get();Retrieving Only Soft Deleted ModelsThe onlyTrashed method will retrieve only soft deleted models:1$flights = App\Flight::onlyTrashed() 2 ->where('airline_id', 1) 3 ->get();...
[$key];}//确定给定的键是否是模型上的关系方法if(!$this->isRelation($key)){return;}//处理延迟加载冲突if($this->preventsLazyLoading){$this->handleLazyLoadingViolation($key);}return$this->getRelationshipFromMethod($key);}...//处理延迟加载冲突protectedfunctionhandleLazyLoadingViolation($key){if(...
must return a relationship instance 这可以从模型的功能来实现吗? ->first()->name,您需要使用“Accessor”: public function manager() { return $this->belongsToMany('App\User')->wherePivot('manager', true); } public function getManagerNameAttribute() { ...
return$this->where('verified',1)->whereNotNull('deleted_at')->get(); } public functiongetArticles() { return$this->whereHas('user', function ($q) {$q->where('verified',1)->whereNotNull('deleted_at'); })->get(); } 好:
return $this->tags->lists('id')->all(); // tags means tags() many-to-many relationship with tag } 这里需要说明一下,类似getAttribute都统一使用驼峰法。然后取值的时候就统一使用下划线的方法,比如这里的tag_list就是对应TagList,如果你写成tag_involved,方法就是getTagInvolvedAttribute()。这样写laravel...
->where('categories.deleted_at', '=', null) This package will take care of all above problems for you. Unlikesorting, you can performfilteringon the relationship fields without joining related tables, but this package will give you the ability to do this easier. ...
{ return Table::make() ->model(User::class) ->filters([ new ValueFilter('Email', 'email', User::pluck('email', 'email')->toArray()), new RelationshipFilter('Categories', 'categories', UserCategory::pluck('name', 'id')->toArray()), new NullFilter('Email Verified', 'email_...