我已經在我的模型中定義了我的關系:
public function orders() {
return $this->hasMany(Orders::class, 'user_id', 'id');
}
如何獲得用戶的訂單數量?
uj5u.com熱心網友回復:
用途withCount為:
$user = User::withCount('orders')->first();
https://laravel.com/docs/8.x/eloquent-relationships#counting-related-models
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標籤:拉拉维尔
