<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<input id='input' type="text">
<button onclick="send()">发送</button>
<div id='id'>
</div>
<script>
function socketConnect(url) {
const id = document.getElementById('id')
// 客户端与服务器进行连接
let ws = new WebSocket(url); // 返回`WebSocket`对象，赋值给变量ws
// 连接成功回调
ws.onopen = e => {
console.log('连接成功', e)
ws.send('我发送消息给服务端'); // 客户端与服务器端通信
}
// 监听服务器端返回的信息
ws.onmessage = e => {
console.log('服务器端返回：', e.data)
// do something
id.innerHTML = e.data
}
return ws; // 返回websocket对象
}
let wsValue = socketConnect('ws://121.40.165.18:8800');
function send(){
const id = document.getElementById("input")
wsValue.send(id.value)
}
</script>
</body>
</html>