网络通信编程，socket编程，socket服务器端程序和客户端程序，可运行。代码简单完整，注释清晰，编译通过，可运行。适合socket编程入门参考。 附有使用说明文档-Network communication programming, socket programming, socket server-side program and client program can run. Code is simple and complete, comments clear, compile,