一个可复用的IOCP类的通讯框架下实现的，客户端与服务端的例子，强烈推荐，IOCP类可复用，值得学习。-IOCP a reusable class of communication within the fr a mework of implementation, the client and service side of the case, it is strongly recommended, IOCP classes can be reused, it is worth learning