请谁能告诉我如何在查看输出的数组下面显示元键值：
[0] => Resource Object
(
[presenter:protected] => ResourcePresenter
[table:protected] => resources
[parentColumn:protected] => parent_id
[leftColumn:protected] => lft
[rightColumn:protected] => rgt
[depthColumn:protected] => depth
[guarded:protected] => Array
(
[0] => id
[1] => parent_id
[2] => lft
[3] => rgt
[4] => depth
)
[orderColumn:protected] =>
[scoped:protected] => Array
(
)
[connection:protected] =>
[primaryKey:protected] => id
[perPage:protected] => 15
[incrementing] => 1
[timestamps] => 1
[attributes:protected] => Array
(
[id] => 551
[parent_id] => 180
[lft] => 383
[rgt] => 384
[depth] => 1
[owner_id] => 41
[type] => 2
[title] => test
[act_name] => 551.jpg
[display_name] => test
[notes] =>
[size] => 3054
[is_archived] => 0
[created_by] => 41
[created_at] => 2016-07-12 07:30:54
[updated_by] => 41
[updated_at] => 2016-07-12 07:30:56
[created] => 2016-07-12 07:30:54
[updated] => 2016-07-12 07:30:54
)
[original:protected] => Array
(
[id] => 551
[parent_id] => 180
[lft] => 383
[rgt] => 384
[depth] => 1
[owner_id] => 41
[type] => 2
[title] => test
[act_name] => 551.jpg
[display_name] => test
[notes] =>
[size] => 3054
[is_archived] => 0
[created_by] => 41
[created_at] => 2016-07-12 07:30:54
[updated_by] => 41
[updated_at] => 2016-07-12 07:30:56
[created] => 2016-07-12 07:30:54
[updated] => 2016-07-12 07:30:54
)
[relations:protected] => Array
(
[resourceMeta] => Illuminate\Database\Eloquent\Collection Object
(
[items:protected] => Array
(
[0] => ResourceMeta Object
(
[table:protected] => resources_info
[timestamps] =>
[fillable:protected] => Array
(
[0] => resource_id
[1] => key
[2] => value
)
[connection:protected] =>
[primaryKey:protected] => id
[perPage:protected] => 15
[incrementing] => 1
[attributes:protected] => Array
(
[id] => 1924
[resource_id] => 551
[key] => doc_type
[value] => jpg
)
[original:protected] => Array
(
[id] => 1924
[resource_id] => 551
[key] => doc_type
[value] => jpg
)
我想打印每个文档的file_Type值，请帮助我如何实现它。
基本上，您可以在模型上添加关系：
在您的模型上：
public function TableMeta()
{
return $this->hasMany('App\Models\TableMeta');
}
然后在您的控制器上：
$query = Model::with('TableMeta')->get();
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我来说两句