增加socketio server 支持

server/routes_socketio.ts

@@ -0,0 +1,15 @@
+import { Socket, Server } from "socket.io";
+
+export function setupSocketIO(io: Server) {
+  io.on("connection", (socket: Socket) => {
+    console.log(`socket ${socket.id} connected`);
+
+    socket.emit("hello", "world");
+
+    socket.on("disconnect", (reason) => {
+      console.log(`socket ${socket.id} disconnected due to ${reason}`);
+    });
+
+    // 可在此添加更多socket事件处理
+  });
+}