1.所有relation都由model class上的方法来定义; 2. relationship和model本身都是以query builder作为基类的,因此对relation的操作也可以使用类似query builder的方法,比如:可以支持级联; 3.Dynamic property of model:这是 model->relation方式引用的结果,这种方式直接返回relation model的value,不支持query builder的级联...
If your pivot table contains extra attributes, you must specify them when defining the relationship:return $this->belongsToMany('App\Role')->withPivot('column1', 'column2');If you want your pivot table to have automatically maintained created_at and updated_at timestamps, use the withTime...
To prevent accessing a model's private properties when using array access, it's no longer possible to have a model method with the same name as an attribute or property. Doing so will cause exceptions to be thrown when accessing the model's attributes via array access ($user['name']) or...
* Handle dynamic method calls to the relationship. * * @param string $method * @param array $parameters * @return mixed */ public function __call($method, $parameters) { if (static::hasMacro($method)) { return $this->macroCall($method, $parameters); } $result = $this->query->{$...
)部件)引起的，因为您粘贴的代码在到达->tickets部件时应该会抛出DB错误unknown column event_id。
orderBy($column, $direction = 'asc'); with(array $relations); has(string $relation); whereHas(string $relation, closure $closure); hidden(array $fields); visible(array $fields); scopeQuery(Closure $scope); getFieldsSearchable(); setPresenter($presenter); skipPresenter($status = true);Prett...
class Node extends Model { public function getCustomPaths(): array { return [ [ 'name' => 'slug_path', 'column' => 'slug', 'separator' => '/', ], ]; } } $descendantsAndSelf = Node::find(1)->descendantsAndSelf; echo $descendantsAndSelf[0]->slug_path; // node-1 echo $...
2Customizing column presentation Changing styling, width, etc. (See next chapter) #Defining columns To start using columns, you'll have to add theWithColumnsconcern to the export class. classUsersExportimplementsWithColumns{publicfunctioncolumns():array{return[Text::make('Name','name'),Date::make...
Get data from 3 tables with relationship laravel Guys i have a problem in my hotel management system project.i have a product_type table (parent table) with columnsCopy id type_name product table (child table)Copy id product_type_id(fk) product_name order...
上篇文章我们主要讲了Eloquent Model关于基础的CRUD方法的实现,Eloquent Model中除了基础的CRUD外还有一个很重要的部分叫模型关联,它通过面向对象的方式优雅地把数据表之间的关联关系抽象到了Eloquent Model中让应用依然能用Fluent Api的方式访问和设置主体数据的关联数据。使用模型关联给应用开发带来的收益我认为有以下几点...