zmq使用记录 zmq套接字介绍 https://www.cnblogs.com/fengbohello/p/4354989.html zmq示例 https://github.com/booksbyus/zguide/tree/master/examples/C%2B%2B zmq教程 https://wizardforcel.gitbooks.io/zmq-guide/content/chapter1.html