国内c#网络编程方面的资料比较少，看看国外的吧。全书主要分三个部分： 网络层基础开发 网络层高级开发 应用层开发 总体而言书不错哦-domestic c # Network Programming the information is relatively small, look at it from abroad. The book is divided into three parts : network layer infrastructure and developmen