文件数据服务下载程序，VC2010写的用到TCP协议，可任意多个客户端同时下载文件。每增加一个下载用户则服务多开一个发包的缓存。端口和包格式可以在程序另设置-File Data Services download, VC2010 write TCP protocol used can be any multiple clients simultaneously download files. Each additional user is a download service to open a