关于文件传输一个学习例子，任何计算机都可以通过127.0.0.1访问自己. 也可以用计算机的实际IP地址代替127.0.0.1-Learn about a file transfer example, any computer can access your 127.0.0.1. Can also use the computer to replace the actual IP address 127.0.0.1

配置IP地址信息，更好的去管理计算机之间的连通性。-Configure IP address information, the better to manage the connectivity between computers.