Laravel mnoho k mnoha vztahům s kontingenční tabulkou
Příklady kódu
jeden až mnoho laravel
For example, a blog post may have an infinite number of comments. And a single
comment belongs to only a single post
class Post extends Model
{
public function comments()
{
return $this->hasMany('App\Models\Comment');
}
}
class Comment extends Model
{
public function post()
{
return $this->belongsTo('App\Models\Post');
}
}Laravel oddělit
// Detach a single role from the user...
$user->roles()->detach($roleId);
// Detach all roles from the user...
$user->roles()->detach();laravel mnoho k mnoha vztahům s kontingenční tabulkou
$user = User::find(1); //any user we want to find
$user->trophies()->attach($idOfTrophy);
//pass id or array of a Trophy ids
//suppose admin has selected the trophy from a form and trophy id
// is in $request object, then.
$trophyId = $request->trophy_id;
$user->trophies()->attach($trophyId); //record is created in DB.
attach and syncWithoutDetaching both does same joblaravel mnoho k mnoha aktualizovat všechny pivot
$user->customviews()
->newPivotStatement()
->where('user_id', '=', $user->id)
->update(array('default' => 0));laravel mnoho k mnoha vztahům s kontingenční tabulkou
$user = User::find(1); //any user we want to find $user->trophies()->attach($idOfTrophy); //pass id or array of a Trophy ids //suppose admin has selected the trophy from a form and trophy id// is in $request object, then.$trophyId = $request->trophy_id;$user->trophies()->attach($trophyId); //record is created in DB.attach and syncWithoutDetaching both does same jobSouvisející stránky
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