socket.setEncoding([encoding])

• Returns: <net.Socket> Socket 本身

设置作为可读流（Readable Stream）的编码。在 [stream.setEncoding()][] 查看更多详情。

• encoding <string>
• Returns: <net.Socket> The socket itself.

Set the encoding for the socket as a Readable Stream. See readable.setEncoding() for more information.