在websocket中从客户端接收解码缓冲区

Question

我有简单的websocket服务器和客户端在节点js，

我的服务器

var WebSocketServer = require("ws").Server;
var wsServer = new WebSocketServer({ port: 5555 });
wsServer.on("connection", function (ws) {
console.log("Connection established!");
ws.send("Connection established!");
ws.on("message", function (msg) {
ws.send("Got your message!");
console.log(msg);
console.log(msg.data);
});
});

和客户端如下图

var ws = new WebSocket("ws://localhost:5555");
function sendMsg() {
ws.send(document.getElementById("msg").value);
}
ws.onmessage = function(event) {
console.log(event);
console.log("server mgs:", event.data);
}
ws.onerror = function(event) {
console.log("Server err:", event.data);
}

连接正在建立，但收到的消息显示如下，而不是我从客户端发送的实际文本。我在mac中使用可视代码终端。

Received: <Buffer 74 65 74>
Received: <Buffer 74 65 74 64 64>

Answer 1

尝试使用Buffer.toString()。那么您的服务器代码将包括:

ws.on("message", function (msg) {
ws.send("Got your message!");
console.log(msg.toString());
});

注意默认格式是utf8。检查它是否符合您的需求。