• 附录：

附录：

https://snailclimb.gitee.io/javaguide/#/docs/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E7%9F%A5%E8%AF%86%E6%80%BB%E7%BB%93