laravel5.2.9 - laravel5 model association problem

Question

I now have three tables, which are as follows {code...} {code...} {code...} Now this is the association method. The type and category fields in product correspond to the type_id and category table of the type table respectively. Please tell me how to write an association with the category_id field in the model. In fact, type and ca...

阿神 · Answer

class product extends Model {

    public function type()
    {
        // return $this->hasOne('App	ype', 'foreign_key', 'local_key');
        return $this->hasOne('App	ype', 'type_id', 'type');
    }
    public function category()
    {
        return $this->hasOne('App\category', 'category_id', 'category');
    }

}
$type = product::find($id)->type;
$category = product::find($id)->category;
$product = product::width('type','category')->get();