response.writableEnded


在调用 response.end() 之后为 true。此属性并不表示数据是否已刷新,如需检查数据是否已刷新,请改用 response.writableFinished

【Is true after response.end() has been called. This property does not indicate whether the data has been flushed, for this use response.writableFinished instead.】