网络编程入门，获取主机IP，谢谢大家关注，希望对你有用。以后我会继续提供好东西与大家一起分享的，这是我第一次上传，很多东西还不会-Introduction to network programming, access to the host IP, I would like to thank everyone concerned about the hope that useful to you. The future I will continue to provide good things