'decimal:2', 'created_at' => 'datetime', 'updated_at' => 'datetime' ]; /** * 关联订单 */ public function order(): BelongsTo { return $this->belongsTo(Order::class); } /** * 关联用户 */ public function user(): BelongsTo { return $this->belongsTo(MemberUser::class, 'user_id'); } /** * 关联技师 */ public function coach(): BelongsTo { return $this->belongsTo(CoachUser::class, 'coach_id'); } /** * 关联代理商 */ public function agent(): BelongsTo { return $this->belongsTo(AgentInfo::class, 'agent_id'); } }