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<!DOCTYPE html>
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<head>
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<title>无痕聊天室</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<style>
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html, body {
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margin: 0;
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padding: 0;
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height: 100%;
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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background: linear-gradient(135deg, #eceff4, #f5f7fa);
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transition: background 0.3s, color 0.3s;
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}
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body.dark {
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background: #1e1e1e;
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color: #ccc;
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}
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#chat-container {
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display: flex;
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flex-direction: column;
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height: 100vh;
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max-width: 800px;
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margin: 0 auto;
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background: #ffffffcc;
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backdrop-filter: blur(8px);
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border-radius: 12px;
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overflow: hidden;
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position: relative;
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}
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body.dark #chat-container {
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background: #2c2c2ccc;
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}
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#chatLog {
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flex: 1;
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padding: 16px;
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overflow-y: auto;
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background: #f9f9fb;
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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body.dark #chatLog {
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background: #2a2a2a;
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}
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.message {
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max-width: 75%;
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padding: 10px 14px;
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border-radius: 16px;
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font-size: 14px;
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line-height: 1.5;
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word-wrap: break-word;
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white-space: pre-wrap;
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display: flex;
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align-items: center;
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justify-content: space-between;
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}
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.self {
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align-self: flex-end;
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background: linear-gradient(135deg, #409eff, #66b1ff);
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color: #fff;
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border-bottom-right-radius: 4px;
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}
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.other {
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align-self: flex-start;
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background: #e5e5ea;
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color: #333;
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border-bottom-left-radius: 4px;
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}
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.system {
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align-self: center;
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background: transparent;
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color: #999;
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font-size: 13px;
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padding: 4px 8px;
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border-radius: 8px;
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}
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#input-container {
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padding: 12px;
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background-color: #f4f6f8;
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display: flex;
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gap: 10px;
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border-top: 1px solid #e0e0e0;
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align-items: flex-end;
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}
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body.dark #input-container {
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background-color: #333;
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border-color: #444;
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}
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#messageInput {
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flex: 1;
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padding: 10px 14px;
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border: 1px solid #ccc;
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border-radius: 10px;
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font-size: 14px;
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resize: none;
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min-height: 42px;
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max-height: 150px;
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background: #fff;
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box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
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}
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body.dark #messageInput {
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background: #444;
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color: #ccc;
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border: 1px solid #666;
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}
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#sendButton {
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padding: 10px 18px;
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background: linear-gradient(135deg, #409eff, #66b1ff);
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color: #fff;
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border: none;
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border-radius: 8px;
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cursor: pointer;
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font-size: 14px;
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flex-shrink: 0;
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box-shadow: 0 2px 4px rgba(0,0,0,0.1);
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}
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#sendButton:hover {
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background: linear-gradient(135deg, #66b1ff, #85c1ff);
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}
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#onlineCount {
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position: absolute;
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top: 8px;
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right: 12px;
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font-size: 13px;
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color: #666;
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background: #eef;
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padding: 4px 8px;
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border-radius: 12px;
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box-shadow: 0 1px 2px rgba(0,0,0,0.08);
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}
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body.dark #onlineCount {
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background: #444;
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color: #ccc;
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}
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#toggleDark {
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position: absolute;
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top: 8px;
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left: 12px;
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font-size: 13px;
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background: #eef;
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padding: 4px 8px;
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border-radius: 12px;
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cursor: pointer;
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box-shadow: 0 1px 2px rgba(0,0,0,0.08);
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}
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body.dark #toggleDark {
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background: #444;
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color: #ccc;
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}
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.copy-btn {
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margin-left: 8px;
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background: none;
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border: none;
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cursor: pointer;
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font-size: 13px;
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color: #999;
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}
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.copy-btn:hover {
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color: #007aff;
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}
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@media screen and (max-width: 600px) {
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#chat-container {
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max-width: 100%;
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border-radius: 0;
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}
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}
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/* 新增状态提示样式 */
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#status {
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position: absolute;
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top: 40px;
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left: 12px;
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font-size: 12px;
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color: #999;
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}
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body.dark #status {
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color: #ccc;
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}
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</style>
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</head>
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<body>
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<div id="chat-container">
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<div id="toggleDark" onclick="toggleDarkMode()">🌙 夜间</div>
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<div id="onlineCount">在线人数：0</div>
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<div id="status">🟢 已连接</div>
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<div id="chatLog"></div>
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<div id="input-container">
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<textarea id="messageInput" placeholder="来说点什么吧..." rows="1"></textarea>
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<button id="sendButton" onclick="sendMessage()">发送</button>
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</div>
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</div>
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<script>
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let username = localStorage.getItem("chat_username");
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if (!username) {
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username = prompt("请输入你的昵称：");
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if (!username) {
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username = "匿名用户";
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}
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localStorage.setItem("chat_username", username);
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}
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let ws;
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let reconnectInterval = 2000;
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let reconnectAttempts = 0;
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function connectWebSocket() {
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let ws_scheme = window.location.protocol === "https:" ? "wss" : "ws";
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ws = new WebSocket(ws_scheme + "://" + window.location.host + "/ws");
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ws.onopen = function () {
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ws.send(username);
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updateStatus("🟢 已连接");
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document.getElementById("sendButton").disabled = false;
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reconnectAttempts = 0;
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};
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ws.onmessage = function (event) {
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const chatLog = document.getElementById("chatLog");
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const msg = event.data;
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if (msg.startsWith("[人数]")) {
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const count = msg.replace("[人数]", "");
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document.getElementById("onlineCount").textContent = "在线人数：" + count;
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return;
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}
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const messageDiv = document.createElement("div");
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const contentSpan = document.createElement("span");
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let contentText = "";
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if (msg.startsWith("[系统]")) {
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messageDiv.className = "message system";
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contentText = msg;
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contentSpan.textContent = contentText;
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} else {
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const splitIndex = msg.indexOf("：");
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const sender = msg.substring(0, splitIndex);
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const content = msg.substring(splitIndex + 1);
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const nameSpan = document.createElement("span");
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nameSpan.style.fontWeight = "bold";
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nameSpan.style.marginRight = "6px";
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if (sender === username) {
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messageDiv.className = "message self";
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nameSpan.textContent = "我：";
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} else {
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messageDiv.className = "message other";
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nameSpan.textContent = sender + "：";
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}
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messageDiv.appendChild(nameSpan);
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contentText = content;
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contentSpan.textContent = contentText;
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const copyBtn = document.createElement("button");
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copyBtn.textContent = "📋";
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copyBtn.className = "copy-btn";
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copyBtn.onclick = () => {
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navigator.clipboard.writeText(contentText).then(() => {
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copyBtn.textContent = "✅";
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setTimeout(() => copyBtn.textContent = "📋", 1000);
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});
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};
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messageDiv.appendChild(contentSpan);
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messageDiv.appendChild(copyBtn);
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}
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if (msg.startsWith("[系统]")) {
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messageDiv.appendChild(contentSpan);
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}
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chatLog.appendChild(messageDiv);
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chatLog.scrollTop = chatLog.scrollHeight;
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};
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ws.onclose = function () {
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updateStatus(`🔴 断开，尝试重连(${++reconnectAttempts})...`);
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document.getElementById("sendButton").disabled = true;
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setTimeout(connectWebSocket, reconnectInterval);
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};
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ws.onerror = function () {
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ws.close();
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};
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}
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connectWebSocket();
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function sendMessage() {
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const input = document.getElementById("messageInput");
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if (input.value.trim() !== "" && ws.readyState === WebSocket.OPEN) {
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ws.send(input.value.trim());
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input.value = "";
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adjustInputHeight();
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}
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}
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document.getElementById("messageInput").addEventListener("keydown", function (event) {
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if (event.key === "Enter" && !event.shiftKey) {
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event.preventDefault();
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sendMessage();
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}
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});
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document.getElementById("messageInput").addEventListener("input", adjustInputHeight);
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function adjustInputHeight() {
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const input = document.getElementById("messageInput");
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input.style.height = "auto";
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input.style.height = (input.scrollHeight) + "px";
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}
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function toggleDarkMode() {
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document.body.classList.toggle("dark");
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const btn = document.getElementById("toggleDark");
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if (document.body.classList.contains("dark")) {
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btn.textContent = "☀️ 日间";
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} else {
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btn.textContent = "🌙 夜间";
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}
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}
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function updateStatus(text) {
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document.getElementById("status").textContent = text;
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}
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</script>
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</body>
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</html>
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