hasOne(LottoCode::class, 'order_id', 'id'); } public function lottoCodes() { return $this->hasMany(LottoCode::class, 'order_id', 'id'); } public function shopExpress() { return $this->hasMany(S2ShopExpress::class, 'order_id', 'id'); } public function agentUser() { return $this->hasOne(AgentUser::class, 'user_id', 'user_id'); } public function user() { return $this->belongsTo(User::class, 'user_id', 'id'); } }