下面是一個簡單的demo
https://github.com/yuboYUBO/websocket-helloworld
一些比比較不錯的博文，可以參考。
https://blog.csdn.net/fyhailin/article/details/79413864 https://www.cnblogs.com/3dianpomian/p/5902084.html https://www.cnblogs.com/jpfss/p/8777867.html https://blog.csdn.net/lutingzhu9165/article/details/80576015 https://www.cnblogs.com/sxdcgaq8080/p/7712874.html