socket收发消息例子，本机调试是成功可用的-socket send and receive messages example, the success of this machine is available for debugging

The proxy is also called server or gateway . Proxy allows users on a network to browse the Web, send files over FTP, and work with E-mail and other Internet services. How the Proxy Works? Simply put, proxy are gateway applications used to rout

socket编程发送和接受报文，实现了代理上网(Socket programming send and receive messages, to achieve the agent online)