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third_party/libhv/docs/cn/WebSocketServer.md

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+WebSocket 服务端类
+
+```c++
+
+// WebSocketServer 继承自 HttpServer
+class WebSocketServer : public HttpServer {
+
+    // 注册WebSocket业务类
+    void registerWebSocketService(WebSocketService* service);
+
+};
+
+// WebSocket业务类
+struct WebSocketService {
+    // 打开回调
+    std::function<void(const WebSocketChannelPtr&, const HttpRequestPtr&)>  onopen;
+
+    // 消息回调
+    std::function<void(const WebSocketChannelPtr&, const std::string&)>     onmessage;
+
+    // 关闭回调
+    std::function<void(const WebSocketChannelPtr&)>                         onclose;
+
+    // 心跳间隔
+    int ping_interval;
+};
+
+```
+
+测试代码见 [examples/websocket_server_test.cpp](../../examples/websocket_server_test.cpp)