384 lines
13 KiB
HTML
384 lines
13 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>物体的浮沉条件是什么？</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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font-family: 'Microsoft YaHei', Arial, sans-serif;
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}
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body {
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background-color: #f5f5f5;
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height: 100vh;
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display: flex;
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flex-direction: column;
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}
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.container {
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display: flex;
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flex: 1;
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overflow: hidden;
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}
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.simulation-panel {
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flex: 1;
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border: 1px solid #ddd;
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overflow: hidden;
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background-color: white;
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}
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.chat-panel {
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flex: 0 0 400px;
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display: flex;
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flex-direction: column;
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border: 1px solid #ddd;
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background-color: white;
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box-shadow: -2px 0 5px rgba(0,0,0,0.1);
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}
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.chat-header {
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padding: 15px;
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background-color: #2196F3; /* 改为蓝色 */
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color: white;
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font-size: 18px;
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font-weight: bold;
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}
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.chat-messages {
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flex: 1;
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padding: 15px;
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overflow-y: auto;
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}
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.message {
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margin-bottom: 15px;
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max-width: 85%;
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padding: 10px 15px;
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border-radius: 18px;
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word-break: break-word;
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}
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.user-message {
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background-color: #E3F2FD; /* 改为浅蓝色 */
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margin-left: auto;
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border-top-right-radius: 4px;
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}
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.ai-message {
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background-color: #E5E5EA;
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border-top-left-radius: 4px;
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}
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.message-content {
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line-height: 1.5;
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}
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.chat-input {
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display: flex;
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padding: 10px;
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border-top: 1px solid #ddd;
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}
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.chat-input input {
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flex: 1;
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padding: 10px 15px;
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border: 1px solid #ddd;
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border-radius: 20px;
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outline: none;
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}
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.chat-input button {
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margin-left: 10px;
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padding: 0 15px;
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background-color: #2196F3; /* 改为蓝色 */
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color: white;
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border: none;
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border-radius: 20px;
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cursor: pointer;
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font-weight: bold;
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}
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.chat-input button:hover {
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background-color: #1976D2; /* 改为深蓝色 */
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}
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.loading-indicator {
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display: flex;
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align-items: center;
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margin: 10px 0;
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}
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.loading-dot {
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width: 8px;
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height: 8px;
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border-radius: 50%;
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background-color: #666;
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margin: 0 4px;
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animation: pulse 1.4s infinite ease-in-out both;
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}
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.loading-dot:nth-child(1) {
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animation-delay: -0.32s;
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}
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.loading-dot:nth-child(2) {
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animation-delay: -0.16s;
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}
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@keyframes pulse {
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0%, 80%, 100% {
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transform: scale(0);
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}
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40% {
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transform: scale(1);
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}
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}
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iframe {
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width: 100%;
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height: 100%;
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border: none;
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}
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/* 响应式设计 */
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@media (max-width: 900px) {
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.container {
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flex-direction: column;
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}
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.simulation-panel {
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height: 50vh;
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}
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.chat-panel {
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flex: 1;
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width: 100%;
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}
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="simulation-panel">
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<iframe src="deepseek_fulishiyanshi.html"></iframe>
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</div>
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<div class="chat-panel">
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<div class="chat-header">AI 助手</div>
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<div class="chat-messages" id="chat-messages">
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<div class="message ai-message">
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<div class="message-content">你好！我是你的AI助手，可以帮助你理解浮力仿真实验。请随时提问。</div>
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</div>
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</div>
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<div class="chat-input">
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<input type="text" id="user-input" placeholder="输入你的问题..." value="物体的浮沉条件是什么？">
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<button id="send-btn">发送</button>
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</div>
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</div>
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</div>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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const chatMessages = document.getElementById('chat-messages');
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const userInput = document.getElementById('user-input');
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const sendBtn = document.getElementById('send-btn');
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let sseConnection = null;
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let isLoading = false;
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// 发送消息
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function sendMessage() {
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const message = userInput.value.trim();
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if (!message || isLoading) return;
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// 添加用户消息
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addMessage(message, 'user');
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userInput.value = '';
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// 显示加载中
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showLoading();
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// 关闭当前可能存在的SSE连接
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if (sseConnection) {
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sseConnection.close();
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sseConnection = null;
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}
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// 发送POST请求到/api/llm
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fetch('/api/llm', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({ question: message })
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})
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.then(response => {
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if (!response.ok) {
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throw new Error('HTTP error! status: ' + response.status);
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}
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// 处理流式响应
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const reader = response.body.getReader();
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const decoder = new TextDecoder();
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let buffer = '';
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let aiMessageElement = null;
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let aiMessageContentElement = null;
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function processChunk({ done, value }) {
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if (done) {
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// 处理最后一块数据
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if (buffer) {
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handleSSEMessage(buffer, aiMessageElement, aiMessageContentElement);
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}
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hideLoading();
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return;
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}
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// 解码接收到的数据
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const chunk = decoder.decode(value, { stream: true });
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buffer += chunk;
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// 按行分割数据
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const lines = buffer.split('\n');
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buffer = lines.pop(); // 保存不完整的行
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// 如果还没有创建AI消息元素，则创建
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if (!aiMessageElement) {
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aiMessageElement = document.createElement('div');
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aiMessageElement.className = 'message ai-message';
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aiMessageContentElement = document.createElement('div');
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aiMessageContentElement.className = 'message-content';
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aiMessageElement.appendChild(aiMessageContentElement);
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chatMessages.appendChild(aiMessageElement);
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scrollToBottom();
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}
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// 处理每一行
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for (const line of lines) {
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if (line.trim()) {
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handleSSEMessage(line, aiMessageElement, aiMessageContentElement);
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}
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}
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// 继续读取
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return reader.read().then(processChunk);
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}
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// 开始读取响应体
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return reader.read().then(processChunk);
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})
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.catch(error => {
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console.error('发送请求失败:', error);
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hideLoading();
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addMessage('抱歉，请求失败: ' + error.message, 'ai');
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});
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}
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// 处理SSE消息
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function handleSSEMessage(line, aiMessageElement, aiMessageContentElement) {
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// 检查是否是SSE格式 (以'data: '开头)
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if (line.startsWith('data: ')) {
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const data = line.substring(6).trim();
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// 检查是否是结束信号
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if (data === 'DONE') {
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hideLoading();
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return;
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}
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try {
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// 解析JSON
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const jsonData = JSON.parse(data);
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// 提取content字段
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if (jsonData.content) {
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aiMessageContentElement.textContent += jsonData.content;
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scrollToBottom();
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}
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} catch (error) {
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console.error('解析JSON失败:', error, '数据:', data);
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// 如果解析失败，尝试直接添加文本
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aiMessageContentElement.textContent += data;
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scrollToBottom();
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}
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} else if (line) {
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// 如果不是标准SSE格式，尝试直接解析
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try {
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const jsonData = JSON.parse(line);
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if (jsonData.content) {
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aiMessageContentElement.textContent += jsonData.content;
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scrollToBottom();
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}
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} catch (error) {
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console.error('解析非标准SSE数据失败:', error, '数据:', line);
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// 如果解析失败，直接添加文本
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aiMessageContentElement.textContent += line;
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scrollToBottom();
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}
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}
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}
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// 添加消息到聊天框
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function addMessage(message, sender) {
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const messageElement = document.createElement('div');
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messageElement.className = `message ${sender}-message`;
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const contentElement = document.createElement('div');
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contentElement.className = 'message-content';
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contentElement.textContent = message;
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messageElement.appendChild(contentElement);
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chatMessages.appendChild(messageElement);
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scrollToBottom();
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}
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// 显示加载中
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function showLoading() {
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if (isLoading) return;
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isLoading = true;
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const loadingElement = document.createElement('div');
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loadingElement.className = 'loading-indicator';
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loadingElement.id = 'loading-indicator';
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for (let i = 0; i < 3; i++) {
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const dot = document.createElement('div');
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dot.className = 'loading-dot';
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loadingElement.appendChild(dot);
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}
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chatMessages.appendChild(loadingElement);
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scrollToBottom();
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}
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// 隐藏加载中
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function hideLoading() {
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if (!isLoading) return;
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isLoading = false;
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const loadingElement = document.getElementById('loading-indicator');
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if (loadingElement) {
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loadingElement.remove();
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}
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}
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// 滚动到底部
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function scrollToBottom() {
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chatMessages.scrollTop = chatMessages.scrollHeight;
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}
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// 发送按钮点击事件
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sendBtn.addEventListener('click', sendMessage);
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// 输入框回车事件
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userInput.addEventListener('keypress', function(e) {
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if (e.key === 'Enter') {
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sendMessage();
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}
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});
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});
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</script>
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</body>
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</html> |