Netty-socketio 是一个 Java 语言版本的 Socket.IO 服务器的实现，基于 Netty 框架开发。特性：Supports 0.7...0.9.16 (netty-socketio 1.6.6) and 1.0 (netty-socketio latest version) version of Socket.IO-clientSupports xhr-polling transportSupports websocket transportSupports namespaces and roomsSupports ack (acknowledgment of received data)Supports SSLSupports client store (Memory, Redisson, Hazelcast)Supports distributed broadcast across netty-socketio nodes (Redisson, Hazelcast)Supports OSGiSupports SpringLock-free and thread-safe implementationDeclarative handler configuration via annotations