Socket.IO
https://github.com/socketio/socket.io
https://socket.io/
客户端API:
https://socket.io/docs/v4/client-api/
room
https://socket.io/docs/v4/server-api/#socketrooms
https://socket.io/docs/v4/server-api/#socketjoinroom
https://github.com/socketio/socket.io
https://socket.io/
客户端API:
https://socket.io/docs/v4/client-api/
https://socket.io/docs/v4/server-api/#socketrooms
https://socket.io/docs/v4/server-api/#socketjoinroom