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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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<!-- ================= 原有样式，未做任何删改 ================= -->
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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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}
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body.dark { background: #1e1e1e; color: #ccc; }
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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 { background: #2c2c2ccc; }
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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 { background: #2a2a2a; }
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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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}
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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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}
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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: 8px;
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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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#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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resize: none;
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min-height: 42px;
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}
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#sendButton, #uploadButton {
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padding: 10px 14px;
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border: none;
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border-radius: 8px;
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cursor: pointer;
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background: #409eff;
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color: #fff;
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}
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#onlineCount, #toggleDark, #status {
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position: absolute;
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font-size: 12px;
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padding: 4px 8px;
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background: #eef;
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border-radius: 12px;
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}
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#onlineCount { top: 8px; right: 12px; }
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#toggleDark { top: 8px; left: 12px; cursor: pointer; }
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#status { top: 40px; left: 12px; }
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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..."></textarea>
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<input type="file" id="fileInput" style="display:none">
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<button id="uploadButton">📎</button>
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<button id="sendButton">发送</button>
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</div>
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</div>
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<script>
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/* ================= 用户名 ================= */
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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：") || "匿名用户";
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localStorage.setItem("chat_username", username);
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}
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/* ================= WebSocket ================= */
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let ws;
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function connectWS() {
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const scheme = location.protocol === "https:" ? "wss" : "ws";
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ws = new WebSocket(`${scheme}://${location.host}/ws`);
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ws.onopen = () => {
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ws.send(username);
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setStatus("🟢 已连接");
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};
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ws.onmessage = e => renderMessage(e.data);
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ws.onclose = () => {
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setStatus("🔴 断开，重连中...");
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setTimeout(connectWS, 2000);
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};
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}
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connectWS();
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/* ================= 渲染消息 ================= */
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function renderMessage(msg) {
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const log = document.getElementById("chatLog");
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const div = document.createElement("div");
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if (msg.startsWith("COUNT::")) {
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document.getElementById("onlineCount").textContent =
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"在线人数：" + msg.replace("COUNT::", "");
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return;
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}
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if (msg.startsWith("SYSTEM::")) {
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div.className = "message system";
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div.textContent = msg.replace("SYSTEM::", "");
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}
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else if (msg.startsWith("IMG::")) {
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div.className = "message other";
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const img = document.createElement("img");
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img.src = msg.replace("IMG::", "");
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img.style.maxWidth = "240px";
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img.style.borderRadius = "8px";
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div.appendChild(img);
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}
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else if (msg.startsWith("VIDEO::")) {
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div.className = "message other";
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const v = document.createElement("video");
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v.src = msg.replace("VIDEO::", "");
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v.controls = true;
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v.style.maxWidth = "260px";
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div.appendChild(v);
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}
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else if (msg.startsWith("TEXT::")) {
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const [, sender, text] = msg.split("::", 3);
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div.className = "message " + (sender === username ? "self" : "other");
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div.textContent = `${sender}：${text}`;
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}
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log.appendChild(div);
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log.scrollTop = log.scrollHeight;
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}
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/* ================= 发送文本 ================= */
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document.getElementById("sendButton").onclick = () => {
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const input = document.getElementById("messageInput");
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if (input.value.trim()) {
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ws.send(input.value.trim());
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input.value = "";
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}
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}
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document.getElementById("messageInput").addEventListener("keydown", (event) => {
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if (event.key === "Enter" && !event.shiftKey) {
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event.preventDefault(); // 防止换行
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const input = event.target;
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if (input.value.trim()) {
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ws.send(input.value.trim());
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input.value = "";
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}
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}
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});
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/* ================= 上传附件 ================= */
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document.getElementById("uploadButton").onclick = () =>
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document.getElementById("fileInput").click();
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document.getElementById("fileInput").onchange = async () => {
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const file = fileInput.files[0];
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if (!file) return;
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setStatus("📤 上传中...");
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const form = new FormData();
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form.append("file", file);
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const res = await fetch("/upload", { method: "POST", body: form });
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const data = await res.json();
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if (data.error) alert(data.error);
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setStatus("🟢 已连接");
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fileInput.value = "";
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};
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/* ================= UI ================= */
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function toggleDarkMode() {
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document.body.classList.toggle("dark");
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}
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function setStatus(t) {
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document.getElementById("status").textContent = t;
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}
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</script>
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</body>
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</html> |
