事件：'timeout'

¥Event: 'timeout'

如果套接字因不活动而超时则触发。这只是为了通知套接字已经空闲。用户必须手动关闭连接。

¥Emitted if the socket times out from inactivity. This is only to notify that the socket has been idle. The user must manually close the connection.

也可以看看：socket.setTimeout()。

¥See also: socket.setTimeout().