hasMany(CustomerEmployees::class, 'customer_id', 'id'); } /* 模型事件:在删除客户记录之后执行 */ public static function onAfterDelete($customer) { // 删除与该客户相关的员工记录 $customer->employees()->delete(); } public function getCompanyOfAccount(){ return $this->hasMany(User::class,'company_id','id'); } }