理解websocket和socket.io
http://blog.csdn.net/while0/article/details/53930116
http:// https://
ws:// wss://
https://www.cnblogs.com/mafly/p/websocket.html
理解websocket和socket.io
http://blog.csdn.net/while0/article/details/53930116
http:// https://
ws:// wss://
https://www.cnblogs.com/mafly/p/websocket.html