大概有这些东西： Gates 和 Policies $this->authorize() 方法 @can 和 @cannot Blade 命令 有人可能...
2. relationship和model本身都是以query builder作为基类的,因此对relation的操作也可以使用类似query builder的方法,比如:可以支持级联; 3.Dynamic property of model:这是 model->relation方式引用的结果,这种方式直接返回relation model的value,不支持query builder的级联操作,这是和model->relation()方法调用的本质区别。
Rache1 未填写
You may query the posts relationship and add additional constraints to the relationship like so:1$user = App\User::find(1); 2 3$user->posts()->where('active', 1)->get();You are able to use any of the query builder methods on the relationship, so be sure to explore the query ...
$users= QueryBuilder::for(User::class) ->allowedIncludes('posts') ->get();// all `User`s with their `posts` loaded Read more about include features like: including nested relationships, including relationship count, custom includes, ... ...
$users= QueryBuilder::for(User::class) ->allowedIncludes('posts') ->get();// all `User`s with their `posts` loaded Read more about include features like: including nested relationships, including relationship count, custom includes, ... ...
Currently, the new MariaDB driver behaves like the current MySQL driver with one exception: the uuid schema builder method creates native UUID columns instead of char(36) columns.If your existing migrations utilize the uuid schema builder method and you choose to use the new mariadb database ...
2 * Apply the scope to a given Eloquent query builder. 3 * 4 * @param \Illuminate\Database\Eloquent\Builder $builder 5 * @return void 6 */ 7public function apply(Builder $builder) 8{ 9 $model = $builder->getModel(); 10 11 $builder->whereNull($model->getQualifiedDeletedAtColumn(...
You may also use the count, sum, max, and other aggregate methods provided by the query builder. These methods return the appropriate scalar value instead of a full model instance: 可以使用count、sum、max和其他的聚合方法 $count = App\Flight::where('active', 1)->count(); ...
Eloquent 是一个 ORM，全称为 Object Relational Mapping，翻译为 “对象关系映射”（如果只把它当成 ...