【发布时间】:2020-05-04 00:46:34
【问题描述】:
我正在编写一个 JavaScript 客户端和 node.JS 服务器之间的 WebSocket 连接。
我的客户代码:
<!DOCTYPE html>
<html>
<head>
<title>Socket Test</title>
</head>
<body>
</body>
<script>
const ws = new WebSocket('wss://mydomain.in:26031/');
ws.onopen = function () {
console.log('WebSocket Client Connected');
ws.send('Hi this is web client.');
};
ws.onmessage = function (e) {
console.log("Received: '" + e.data + "'");
};
</script>
服务器代码:
const net = require('net');
const server = net.createServer((socket) => {
socket.on('data', (data) => {
console.log(data.toString());
});
socket.write('SERVER: Hello! This is server speaking.\n');
socket.end('SERVER: Closing connection now.\n');
}).on('error', (err) => {
console.error(err);
});
server.listen(26031, () => {
console.log('opened server on', server.address().port);
});
我得到的错误:
WebSocket connection to 'wss://mydomain.in:26031/' failed: Error in connection establishment: net::ERR_CONNECTION_TIMED_OUT
我在堆栈溢出中尝试了其他答案,但从我的角度来看,一切似乎都很完美。服务器端口已打开以接受请求。还有什么问题?
【问题讨论】:
-
我认为后端的 websocket 没有被你正确定义。请检查:npmjs.com/package/websocket
标签: javascript html node.js websocket