WebSocket 参考链接1: https://www.cnblogs.com/nnngu/p/9347635.html 参考链接2: https://www.cnblogs.com/myzhibie/p/4470065.html 参考链接3: http://www.ruanyifeng.com/blog/2017/05/websocket.html 活到老,学到老。 踏实+激情+坚持