<html>
<head>
<title>websocket测试</title>
<meta charset="utf-8">
</head>
<body>
<button onclick="sendMessage()">测试</button>
<script>
let socket = new WebSocket("ws://localhost:8080/websocket");
socket.onerror = err => {
console.log(err);
};
socket.onopen = event => {
console.log(event);
};
socket.onmessage = mess => {
console.log(mess);
};
socket.onclose = () => {
console.log("连接关闭");
};
function sendMessage() {
if (socket.readyState === 1)
socket.send("这是一个测试数据");
else
alert("尚未建立websocket连接");
}
</script>
</body>
</html>