# RoomState interface 参考 (/zh-CN/api-reference/whiteboard/whiteboard-sdk/harmonyos/interface-room-state)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

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## 详细描述 [#详细描述]

适用版本：**@shengwang/whiteboard 0.2.11**。

房间状态，继承 SharedState 的共享状态字段；状态回调通常只含变化字段。

可从 @shengwang/whiteboard 直接导入 RoomState。仅用于类型声明，不能作为构造函数调用 new。

## 类型结构（源码声明） [#类型结构源码声明]

下方源码文件的 export 声明不等同于 SDK 包入口导出；业务导入方式以上方说明为准。

```text
export interface RoomState extends SharedState
```

| [memberState](/zh-CN/api-reference/whiteboard/whiteboard-sdk/harmonyos/interface-room-state#af64a9481fde0c142c6168f8dff0e57a1) | `memberState?: MemberState` |
| --- | --- |
| [broadcastState](/zh-CN/api-reference/whiteboard/whiteboard-sdk/harmonyos/interface-room-state#a770ae741dadde4c073ac0ce197301c3c) | `broadcastState?: BroadcastState` |
| [globalState](/zh-CN/api-reference/whiteboard/whiteboard-sdk/harmonyos/interface-room-state#aa233c5dbbb40011acc6e47f4740dd5ad) | `globalState?: GlobalState` |

## 变量说明 [#变量说明]

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### memberState [#memberstate]

```text
memberState?: MemberState
```

当前的白板工具状态

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### broadcastState [#broadcaststate]

```text
broadcastState?: BroadcastState
```

房间内当前的视角状态

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### globalState [#globalstate]

```text
globalState?: GlobalState
```

房间公共全局状态