146 lines
4.3 KiB
HTML
146 lines
4.3 KiB
HTML
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<!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>DeepSeek 流式对话</title>
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<style>
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body { font-family: system-ui, sans-serif; max-width: 760px; margin: 30px auto; padding: 0 16px; }
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h1 { font-size: 1.3rem; }
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#output {
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border: 1px solid #ddd; border-radius: 10px;
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padding: 16px; min-height: 300px; white-space: pre-wrap;
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line-height: 1.6; background: #fafafa;
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}
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.reasoning {
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background: #f1f5f9; border-left: 4px solid #94a3b8;
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padding: 8px 12px; border-radius: 6px; margin-bottom: 12px;
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color: #475569; font-size: 0.9rem; white-space: pre-wrap;
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}
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.content { color: #0f172a; }
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.label { font-size: 0.75rem; font-weight: bold; color: #64748b; margin-bottom: 4px; }
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.row { display: flex; gap: 8px; margin-top: 12px; }
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input {
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flex: 1; padding: 12px 16px; border: 1px solid #ccc;
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border-radius: 8px; font-size: 1rem; outline: none;
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}
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input:focus { border-color: #4f46e5; }
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button {
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padding: 12px 24px; background: #4f46e5; color: white;
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border: none; border-radius: 8px; font-size: 1rem;
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cursor: pointer;
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}
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button:disabled { background: #cbd5e1; cursor: not-allowed; }
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</style>
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</head>
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<body>
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<h1>💬 DeepSeek 流式对话</h1>
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<div id="output">等待输入…</div>
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<div class="row">
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<input id="input" placeholder="输入问题，回车发送" autocomplete="off">
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<button id="send">发送</button>
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</div>
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<script>
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const inputEl = document.getElementById('input');
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const sendBtn = document.getElementById('send');
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const outputEl = document.getElementById('output');
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let es = null; // EventSource
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let reasoningEl = null; // 推理区块
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let contentEl = null; // 回答区块
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function resetOutput() {
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outputEl.innerHTML = '';
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reasoningEl = null;
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contentEl = null;
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}
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function getReasoningEl() {
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if (!reasoningEl) {
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const wrap = document.createElement('div');
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wrap.className = 'reasoning';
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const label = document.createElement('div');
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label.className = 'label';
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label.textContent = '🧠 推理过程';
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const text = document.createElement('div');
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wrap.appendChild(label);
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wrap.appendChild(text);
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outputEl.appendChild(wrap);
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reasoningEl = text;
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}
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return reasoningEl;
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}
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function getContentEl() {
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if (!contentEl) {
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const wrap = document.createElement('div');
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wrap.className = 'content';
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outputEl.appendChild(wrap);
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contentEl = wrap;
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}
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return contentEl;
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}
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function send() {
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const text = inputEl.value.trim();
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if (!text) return;
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// 关闭上一个连接
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if (es) { es.close(); es = null; }
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resetOutput();
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inputEl.value = '';
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sendBtn.disabled = true;
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const url = `http://localhost:8001/chat?user_input=${encodeURIComponent(text)}&model=deepseek-chat`;
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es = new EventSource(url);
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// 推理过程（命名事件 reasoning）
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es.addEventListener('reasoning', (e) => {
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const chunk = JSON.parse(e.data);
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getReasoningEl().textContent += chunk;
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});
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// 正式回答（命名事件 content ★ 关键）
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es.addEventListener('content', (e) => {
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const chunk = JSON.parse(e.data);
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getContentEl().textContent += chunk;
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});
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// 服务端错误（命名事件 server_error）
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es.addEventListener('server_error', (e) => {
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const msg = JSON.parse(e.data);
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outputEl.innerHTML += `<div style="color:red;">⚠️ ${msg}</div>`;
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finish();
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});
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// 结束（命名事件 done）
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es.addEventListener('done', () => {
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finish();
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});
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// 网络层错误
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es.onerror = () => {
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if (es && es.readyState === EventSource.CLOSED) {
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finish();
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}
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};
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function finish() {
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if (es) { es.close(); es = null; }
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sendBtn.disabled = false;
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if (!outputEl.textContent.trim()) {
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outputEl.textContent = '（无返回内容）';
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}
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}
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}
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sendBtn.addEventListener('click', send);
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inputEl.addEventListener('keydown', (e) => {
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if (e.key === 'Enter') send();
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});
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</script>
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</body>
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</html>
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