first commit

历届学生/front-end-team/项目练习/学生项目/陆旗/聊天室/backend/demo.js

@@ -0,0 +1,18 @@
+const { WebSocketServer }  = require ("ws");
+
+const wss = new WebSocketServer({ port: 8080 });
+
+wss.on('connection', function connection(ws) {
+    console.log("客户连接建立成功")
+
+  ws.on('message', function message(data) {
+
+    console.log("收到客户端发送消息");
+
+    console.log(data.toString());
+
+    ws.send('服务器给客户端的消息');
+  });
+
+ 
+});