39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
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<html>
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<head>
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<title>${sessionScope.get("username")}您好！欢迎进入群聊大厅！</title>
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</head>
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<body>
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<input id="message" type="text">
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<button id="btn">发送消息</button>
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<div id="show">
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</div>
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<script>
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let btn = document.getElementById("btn");
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let message = document.getElementById("message");
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let show = document.getElementById("show");
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let ws = new WebSocket("ws://localhost:8080/socket");
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ws.onmessage = function (evt) {
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let node = document.createElement("div");
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node.innerHTML = "<h5>" + evt.data + "</h5>";
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show.appendChild(node);
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};
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btn.addEventListener("click", function () {
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let data = message.value;
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console.log(data);
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if (data) {
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ws.send(encodeURI(data));
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} else {
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alert("请输入消息后发送");
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}
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message.value = "";
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});
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// 关闭页面时候关闭ws
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window.addEventListener("beforeunload", function(event) {
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ws.close();
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});
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</script>
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</body>
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</html>
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