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                ## 管道 `websockets` 管道和[普通管道](https://docs.nestjs.com/pipes)沒有區別。唯一應該注意的是,不要拋出 `HttpException`,而應該使用 `WsException`。此外,所有管道將僅應用于data參數(因為驗證或者轉換`client`實例沒有用)。 > 提示`WsException` 類在 `@socketjs/websockets`包中可用。 ### 綁定管道 下面是一個使用手動實例化的方法范圍管道的示例,和基于HTTP的應用一樣,你可以使用網關范圍管道(例如,通過在網關類前加上`@UsePipes()`裝飾器): ```typescript @UsePipes(new ValidationPipe()) @SubscribeMessage('events') handleEvent(client: Client, data: unknown): WsResponse<unknown> { const event = 'events'; return { event, data }; } ```
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