TCP文件传输协议的客户端功能实现（JAVA编写）

可视电话程序源码 可视电话程序源码-Videophone video phone program source program source program source video phone

经usb红外口转为虚拟串口的小程序，并且附带有读取程序。-By infrared usb virtual serial port to a small program, and have read the attached program.

WINSOCK控件的调用实例,方便没有使用过winsock控件的人学习,快速掌握TCP编程-Winsock Control calls example, did not use a convenient control protocols of the study and grasp the TCP programming

ICMP高级开发是一个能够实现ICMP协议的一个程序，在程序中能够实现ping功能和trace route功能。-image analysis and identification of a key aspect is the image measurement parameters, the procedure could achieve some of the parameters of the measurement.

直接用winsock api实现寻呼功能 支持完全自控的聊天服务。支持中国联通,河北国信,万声寻呼,中铁寻呼,斯壮寻呼,国讯寻呼等主要干线-Realize the direct use of winsock api paging features fully automatic control of the chat support service. Support of China Unicom, Hebei Guoxin, million voice paging, iron paging, Sizhuang paging, paging inquiry States and other major trunk

说明： 学习之余做的一个源码。 带有base64的编码和解码， 但是没有html格式的解码，发送邮件很成功，接收邮件有一点问题，接受到本机以后， 若邮件编码是txt的，能够正常显示，若是mime的编码，就直接显示源码。 收发均封装好了类 可以直接 继承使用！ -Description: learn to do a source. With base64 encoding and decoding, but no html format decoding, sending mail was a success and have a little problem receiving mail, received after this machine, if the message encoding is a txt that can display, if the mime encoding directly show the source code. Transceivers are packaged good categories can be directly used to inherit!

hmac是一种消息验证码，我开发的这个程序可以进行任意长度的消息验证。该程序代码可以用来防止文件篡改，可以适当修改输入密码。-HMAC is a message authentication code, I developed this procedure can be of arbitrary length message authentication. The program code can be used to prevent document tampering, with appropriate modifications can enter a password.

用UDP协议实现网络通信，发送方向接收方发送字符串消息“This is a test.”,接收方接收并显示字符串，如果几首成功，则发送方显示“OK”。-Using UDP protocol network communication, send the direction of the receiving party to send a string message

在线更新工具，支持断点续传功能，用VB遍的-Online Update tool to support the HTTP functionality, time and again with VB

聊天程序服务器端-Chat server-