我自己在做无线考勤系统时，开发的一个基于TCP/IP协议的简单的无线考勤数据接收端程序的测试版本，特别适合初学者学习网络编程时参考（其中使用了一个第三方的控件，控件的安装源代码也在里面了）。-At my own attendance to do the wireless system, developed based on the TCP/IP protocol for easy wireless data receiver attendance of the test version of t

精易论坛post实现签到，学习HTTP协议和抓包必不可少的源码-Jing Yi forum post realize attendance, learning HTTP protocol and capture the essential source

学校实训做的C/S人事考勤系统的客户端，服务端稍后上载-School training personnel attendance of C/S system of the client, the server upload later