这个程序是用fopen打开文件并用socket传输文件的程序，真正的可以跨平台，运行时请注意文件中的源文件的文件名及路径是否正确，需在main函数中改下参数就ok-This procedure is used to open files and fopen socket to transfer files using the procedure, truly cross-platform, run-time requests to document the source file name an

压缩文件中包含两个工程，client和server。client负责发送，server负责接收。实现基于UDP协议的文件传输。传输指定的文件时，需在程序中更改文件的路径。-The compressed file contains two projects, client and server. The client is responsible for sending, server is responsible for receiving. Realized based on UDP prot