|string> */ public function rules(): array { return [ 'name' => ['required', 'string', 'max:50', 'unique:rooms,name,'.$this->route('id')], 'description' => ['nullable', 'string', 'max:255'], ]; } public function messages(): array { return [ 'name.required' => '房间名称不能为空。', 'name.unique' => '该房间名称已存在。', ]; } }