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in Technique[技术] by (71.8m points)

TP6的关联模型,怎么获取主模型的数据?

比如主模型中有2个字段['user_id', 'card_part_id']要与关联模型中的2个字段['user_id', 'card_part_id']相对应,这个该怎么写?
我在主模型中是

public function userRate()
{
   return $this->hasOne(UserRate::class, 'user_id', 'user_id')->bind(['rate_exchange']);
}

在控制器中是

$list = ModelOrder::with(['card','userRate'=>function($query){
    $query->where('card_part_id', '这里不知道该如何获取主模型的card_part_id值,来使条件成立');
 }])->order('order_create_time', 'asc')->append(['css'])->paginate($limit);

哪位大佬帮忙下,或者我是走了歪路,这样写是错的??


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