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  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
  6. <title>AI 药典助手</title>
  7. <style>
  8. :root{--bk:#002FA7;--bk-l:#E8EDF8;--rd:#C41E3A;--rd-l:#FDEAEE;--bg:#F5F6FA;--card:#fff;--text:#1a1a2e;--sub:#888;--radius:12px}
  9. *{margin:0;padding:0;box-sizing:border-box}
  10. body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);height:100dvh;display:flex;flex-direction:column;overflow:hidden}
  11. .header{background:linear-gradient(135deg,var(--bk),#1a3fbf);color:#fff;padding:12px 14px;text-align:center;flex-shrink:0;position:relative;overflow:hidden;z-index:10}
  12. .header::after{content:'';position:absolute;top:-40px;right:-30px;width:120px;height:120px;background:var(--rd);border-radius:50%;opacity:.15}
  13. .header h1{font-size:17px;font-weight:700;position:relative;z-index:1}
  14. .header .sub{font-size:11px;opacity:.85;margin-top:2px;position:relative;z-index:1}
  15. .header .badge{display:inline-block;font-size:10px;background:rgba(255,255,255,.2);padding:2px 8px;border-radius:10px;margin-top:4px;position:relative;z-index:1}
  16. .nav{display:flex;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;z-index:10}
  17. .nav-btn{flex:1;padding:12px;text-align:center;font-size:13px;color:var(--sub);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;transition:all .2s;min-height:44px}
  18. .nav-btn.active{color:var(--bk);border-bottom-color:var(--bk);font-weight:600}
  19. .chat{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:12px;-webkit-overflow-scrolling:touch}
  20. #tabChat,#tabDrugs{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
  21. .msg{max-width:85%;padding:10px 14px;border-radius:var(--radius);font-size:14px;line-height:1.7;word-break:break-word;animation:fadeIn .3s}
  22. .msg.user{align-self:flex-end;background:var(--bk);color:#fff;border-radius:var(--radius) var(--radius) 4px var(--radius)}
  23. .msg.ai{align-self:flex-start;background:var(--card);color:var(--text);border-radius:var(--radius) var(--radius) var(--radius) 4px;box-shadow:0 1px 4px rgba(0,0,0,.06);border-left:3px solid var(--bk)}
  24. .msg.ai .tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;margin-bottom:6px;font-weight:600}
  25. .tag-drug{background:var(--bk-l);color:var(--bk)}
  26. .tag-usage{background:var(--rd-l);color:var(--rd)}
  27. .tag-symptom{background:#fff3e0;color:#e65100}
  28. .tag-regulation{background:#f3e5f5;color:#6a1b9a}
  29. .tag-exam{background:#e0f2f1;color:#00695c}
  30. .content p{margin:0 0 12px 0;line-height:1.8;word-break:break-word}
  31. .content p:last-child{margin-bottom:0}
  32. .content strong{color:#111}
  33. .content ul,.content ol{margin:8px 0;padding-left:18px;line-height:1.8}
  34. .content li{margin:4px 0}
  35. .img-placeholder{display:inline-block;padding:8px 16px;background:#f0f4ff;border:1px dashed #b0c4ff;border-radius:6px;color:#888;font-size:13px;margin:4px 0}
  36. .content h3{font-size:15px;margin:16px 0 8px;color:var(--bk);font-weight:700}
  37. .content h3.src-section{font-size:14px;color:#555;font-weight:600;margin:12px 0 6px}
  38. .content .warn{color:var(--rd);font-weight:600}
  39. .think-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bk);animation:thinkPulse 1s infinite;vertical-align:middle;margin-right:6px}
  40. @keyframes thinkPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
  41. .thinking{color:var(--sub);font-size:13px;padding:4px 0}
  42. .cursor{animation:blink .8s infinite;color:var(--bk);font-weight:700}
  43. @keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
  44. @keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
  45. .source{margin-top:10px;padding-top:8px;border-top:1px solid #eee;font-size:11px;color:#aaa;line-height:1.6}
  46. .source span{color:#888;font-weight:500}
  47. .source-sep{display:block;margin:16px 0 8px;padding-top:12px;border-top:1px dashed #ddd;color:#999;font-size:12px}
  48. .source-tags{margin-top:12px;padding-top:10px;border-top:1px dashed #ddd}
  49. .source-tags .src-title{font-size:12px;color:#999;margin-bottom:6px}
  50. .source-tag{display:inline-block;padding:3px 8px;margin:2px 4px;background:#f0f4ff;border:1px solid #d0d8f0;border-radius:12px;font-size:12px;color:#002FA7;cursor:pointer;transition:all .15s}
  51. .source-tag:hover{background:#002FA7;color:#fff;border-color:#002FA7}
  52. .source-tag .src-excerpt{display:none;margin-top:4px;padding:8px 10px;background:#fff;border-radius:6px;font-size:13px;color:#333;line-height:1.8;max-width:500px;word-break:break-word;box-shadow:0 2px 8px rgba(0,0,0,.08)}
  53. .source-tag.open .src-excerpt{display:block}
  54. .source-tag.open{background:#002FA7;color:#fff}
  55. .source-tag .src-excerpt strong{color:#002FA7;font-size:12px}
  56. .ext-link{color:#002FA7;text-decoration:underline;word-break:break-all}
  57. .ext-link:hover{color:#C41E3A}
  58. .ext-link:visited{color:#6a1b9a}
  59. .input-area{display:flex;padding:10px 14px;background:#fff;border-top:1px solid #e0e0e0;gap:8px;flex-shrink:0;z-index:10}
  60. #previewArea{flex-shrink:0}
  61. .input-area input{flex:1;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
  62. .input-area input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
  63. .btn{padding:8px 18px;border:none;border-radius:24px;font-size:14px;font-weight:700;cursor:pointer;min-height:44px;white-space:nowrap}
  64. .btn-primary{background:#fff;color:var(--bk);border:1px solid var(--bk);transition:all .15s}.btn-primary:hover:not(:disabled){background:var(--bk);color:#fff}.btn-primary:active:not(:disabled){transform:scale(.96)}
  65. .btn-danger{background:var(--rd);color:#fff;transition:all .15s}.btn-danger:hover:not(:disabled){background:#a01830}.btn-danger:active:not(:disabled){transform:scale(.96)}
  66. .btn-secondary{background:#fff;color:var(--bk);border:1px solid var(--bk);transition:all .15s}.btn-secondary:hover:not(:disabled){background:var(--bk);color:#fff}.btn-secondary:active:not(:disabled){transform:scale(.96)}
  67. .btn:disabled{opacity:.4;cursor:default}
  68. .media-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#E8EDF8,#dce4f5);border:2px solid #002FA7;border-radius:12px;padding:6px 10px;font-size:24px;cursor:pointer;min-height:44px;min-width:52px;gap:0;flex-shrink:0;-webkit-user-select:none;user-select:none;transition:all .15s}
  69. .media-btn:hover{background:linear-gradient(135deg,#002FA7,#1a3fbf);color:#fff;border-color:#002FA7;transform:scale(1.05)}
  70. .media-btn:active{transform:scale(.95)}
  71. .media-label{font-size:10px;font-weight:600;color:#002FA7;white-space:nowrap;margin-top:-2px}
  72. .media-btn:hover .media-label{color:#fff}
  73. .tags{display:flex;gap:6px;padding:6px 14px 10px;flex-wrap:wrap;flex-shrink:0}
  74. .tag-btn{font-size:12px;padding:5px 12px;border-radius:16px;border:1px solid rgba(0,47,167,.2);background:var(--bk-l);color:var(--bk);cursor:pointer;white-space:nowrap;min-height:36px;display:flex;align-items:center;-webkit-user-select:none;user-select:none}
  75. .tag-btn:active{background:rgba(0,47,167,.15)}
  76. .welcome{text-align:center;color:var(--sub);padding:40px 20px}
  77. .welcome .icon{font-size:48px;margin-bottom:12px}
  78. .drug-list{flex:1;overflow-y:auto;padding:12px 14px;min-height:0}
  79. .drug-pager{flex-shrink:0;padding:8px 14px;background:#fff;border-top:1px solid #e0e0e0}
  80. .drug-card{background:var(--card);border-radius:var(--radius);padding:14px;margin-bottom:10px;box-shadow:0 1px 4px rgba(0,0,0,.06);cursor:pointer}
  81. .drug-card h3{font-size:15px;color:var(--bk);margin-bottom:4px}
  82. .drug-card .meta{font-size:12px;color:var(--sub)}
  83. .drug-detail{padding:16px 14px;flex:1;overflow-y:auto}
  84. .drug-detail h2{font-size:20px;color:var(--bk);margin-bottom:8px}
  85. .drug-detail h3{font-size:15px;color:var(--bk);margin:16px 0 8px}
  86. .drug-detail .info-row{font-size:13px;color:var(--sub);margin:4px 0}
  87. .drug-detail .section{background:var(--card);border-radius:8px;padding:12px;margin:8px 0;font-size:14px;line-height:1.8}
  88. .search-box{padding:10px 14px;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}
  89. .search-box input{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
  90. .search-box input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
  91. .status-bar{font-size:11px;padding:4px 14px;text-align:center;flex-shrink:0}
  92. .hidden{display:none!important}
  93. .pager{display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}
  94. .pager button,.pager select{border:1px solid #d0d5dd;border-radius:6px;background:#fff;color:#344054;font-size:12px;cursor:pointer;padding:6px 10px;min-height:32px;transition:all .15s}
  95. .pager button:hover:not(:disabled){background:#E8EDF8;border-color:#002FA7;color:#002FA7}
  96. .pager button.active{background:#002FA7;color:#fff;border-color:#002FA7;font-weight:600}
  97. .pager button:disabled{opacity:.35;cursor:default}
  98. .pager .page-info{font-size:12px;color:#888;margin:0 4px;white-space:nowrap}
  99. .pager select{padding:6px 8px;appearance:auto}
  100. .clear-chat-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);color:#fff;padding:4px 10px;border-radius:14px;font-size:11px;cursor:pointer;z-index:2;transition:all .15s}
  101. .clear-chat-btn:hover{background:rgba(255,255,255,.25)}
  102. </style>
  103. </head>
  104. <body>
  105. <div class="header">
  106. <h1>AI 药典助手</h1>
  107. <button class="clear-chat-btn" onclick="clearChat()" title="清除本地对话记录">🗑 清空对话</button>
  108. <div class="sub">基于《中华人民共和国药典》& 通义千问</div>
  109. </div>
  110. <div class="nav">
  111. <button class="nav-btn active" data-tab="chat" onclick="switchTab('chat')">AI 对话</button>
  112. <button class="nav-btn" data-tab="drugs" onclick="switchTab('drugs')">药品库</button>
  113. </div>
  114. <div id="tabChat">
  115. <div class="chat" id="chat"><div class="welcome"><div class="icon">📷💊🎬</div><p>输入药品名称或问题,AI 从药典知识库中检索回答<br><small style="color:#aaa">支持图片/视频上传识别 · 2025版药典</small></p></div></div>
  116. <div class="tags"><span class="tag-btn" onclick="quickAsk('布洛芬')">布洛芬</span><span class="tag-btn" onclick="quickAsk('甲硝唑')">甲硝唑</span><span class="tag-btn" onclick="quickAsk('阿莫西林禁忌')">阿莫西林禁忌</span><span class="tag-btn" onclick="quickAsk('布洛芬用法用量')">布洛芬用法用量</span><span class="tag-btn" onclick="quickAsk('二甲双胍不良反应')">二甲双胍不良反应</span><span class="tag-btn" onclick="quickAsk('青霉素过敏处理')">青霉素过敏处理</span></div>
  117. <div id="previewArea" style="display:none;padding:8px 14px;background:#fffef5;border-top:1px solid #f0e68c;align-items:center;gap:10px;flex-wrap:wrap">
  118. <span id="previewLabel" style="font-size:13px;color:#666;font-weight:500"></span>
  119. <img id="previewThumb" style="max-width:80px;max-height:60px;border-radius:6px;display:none;border:1px solid #ddd">
  120. <video id="previewVid" style="max-width:150px;max-height:84px;border-radius:6px;display:none;border:1px solid #ddd" muted></video>
  121. <button class="btn btn-secondary" style="font-size:12px;padding:4px 12px;min-height:auto" onclick="clearMedia()">✕ 移除附件</button>
  122. </div>
  123. <div class="input-area">
  124. <button class="media-btn" onclick="document.getElementById('imageInput').click()" title="上传图片">📷<span class="media-label">图片</span></button>
  125. <button class="media-btn" onclick="document.getElementById('videoInput').click()" title="上传视频">🎬<span class="media-label">视频</span></button>
  126. <input type="file" id="imageInput" accept="image/*" onchange="onFilePicked('image')" style="display:none">
  127. <input type="file" id="videoInput" accept="video/*" onchange="onFilePicked('video')" style="display:none">
  128. <input id="userInput" placeholder="输入药品问题,或上传图片/视频...">
  129. <button class="btn btn-danger" id="sendBtn" onclick="send()">发送</button>
  130. <button class="btn btn-secondary" id="stopBtn" onclick="stopCurrent()" style="display:none">停止</button>
  131. </div>
  132. </div>
  133. <div id="tabDrugs" class="hidden">
  134. <div class="search-box"><input id="drugSearchInput" placeholder="搜索药品名称..." oninput="searchDrugs()"></div>
  135. <div class="drug-list" id="drugList"></div>
  136. <div class="drug-pager" id="drugPager"></div>
  137. </div>
  138. <script>
  139. // ============================================================
  140. // API 配置 & Token 管理
  141. // ============================================================
  142. var API_BASE = '';
  143. var TOKEN = (function(){
  144. var p = new URLSearchParams(window.location.search);
  145. var t = p.get('token') || localStorage.getItem('pharma_token') || '';
  146. if (t) localStorage.setItem('pharma_token', t);
  147. return t;
  148. })();
  149. function authHeaders(){
  150. var h = {'Content-Type':'application/json'};
  151. if (TOKEN) h['Authorization'] = 'Bearer ' + TOKEN;
  152. return h;
  153. }
  154. // 确保有 token:没有则自动获取 guest token(后端鉴权未就绪时静默降级)
  155. async function ensureToken(){
  156. if (TOKEN) return TOKEN;
  157. try {
  158. var r = await fetch(API_BASE + '/api/v1/auth/guest', {
  159. method: 'POST', headers: {'Content-Type':'application/json'}
  160. });
  161. if (r.ok) {
  162. var d = await r.json();
  163. TOKEN = d.access_token || d.token || '';
  164. if (TOKEN) localStorage.setItem('pharma_token', TOKEN);
  165. }
  166. } catch(e) { /* 后端未就绪时静默降级 */ }
  167. return TOKEN;
  168. }
  169. // 带认证的 fetch,401 时自动刷新 guest token 重试一次
  170. async function fetchApi(url, opts){
  171. opts = opts || {};
  172. opts.headers = Object.assign({}, authHeaders(), opts.headers || {});
  173. var r = await fetch(url, opts);
  174. if (r.status === 401) {
  175. TOKEN = '';
  176. localStorage.removeItem('pharma_token');
  177. await ensureToken();
  178. opts.headers = Object.assign({}, authHeaders(), opts.headers || {});
  179. r = await fetch(url, opts);
  180. }
  181. return r;
  182. }
  183. function classifyIntent(q){
  184. var t = q.trim();
  185. if (/怎么吃|吃多少|怎么用|孕妇|儿童用量|副作用|不良反应|禁忌|过敏|能不能|可以吗|安全吗|剂量/.test(t)) return 'usage_guide';
  186. if (/发烧|咳嗽|感冒|腹泻|头疼|该吃什么|推荐用药|退烧|止痛/.test(t)) return 'symptom_advice';
  187. if (/凡例|通则/.test(t)) return 'regulation';
  188. if (/药师|考点|真题/.test(t)) return 'exam_tutor';
  189. return 'drug_query';
  190. }
  191. function intentLabel(i){
  192. var m = {drug_query:'药品查询',usage_guide:'用法用量',symptom_advice:'AI用药建议',regulation:'法规条款',exam_tutor:'考试辅导'};
  193. return m[i]||'综合查询';
  194. }
  195. function tagClass(i){
  196. var m = {drug_query:'tag-drug',usage_guide:'tag-usage',symptom_advice:'tag-symptom',regulation:'tag-regulation',exam_tutor:'tag-exam'};
  197. return m[i]||'tag-fallback';
  198. }
  199. function esc(s){if(!s)return'';return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')}
  200. function escAttr(s){if(!s)return'';return s.replace(/"/g,'&quot;').replace(/'/g,'&#39;')}
  201. function md2html(h){
  202. if(!h)return'';h=esc(h);
  203. h=h.replace(/&lt;img\s+src="(.+?)"\s*\/?&gt;/g,'<img src="$1" style="max-width:100%">');
  204. h=h.replace(/\*\*(.+?)\*\*/g,'<strong>$1</strong>');
  205. h=h.replace(/⚠️?\s*([^\n<]+)/g,'<span class="warn">$1</span>');
  206. h=h.replace(/\[([^\]]+)\]\((https?:\/\/[^\s<>)]+)\)/g,'<a href="$2" target="_blank" rel="noopener" class="ext-link">$1</a>');
  207. h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
  208. var s='(?:结论|详细说明|注意事项|来源明细|适应症|用法与用量|用法用量|禁忌|不良反应|副作用|药理|药物相互作用|贮藏|特殊人群|安全提醒|就医指征|非药物建议|用药建议|用药方案|通用药学知识|来源汇总|病情评估|处理方案|免责声明|AI 声明|AI声明|来源说明)';
  209. h=h.replace(new RegExp('(?<![【])】\\s*('+s+')','g'),'【$1】');
  210. h=h.replace(new RegExp('(?<![【])('+s+')】','g'),'【$1】');
  211. h=h.replace(/(?<![<br>\n])【(.+?)】/g,'<br>【$1】');
  212. h=h.replace(/\n\n+/g,'</p><p>');h=h.replace(/\n/g,'<br>');
  213. var PROMPT_SECTIONS='结论|详细说明|详细信息|注意事项|来源明细|适应症|用法与用量|用法用量|禁忌|不良反应|副作用|药理|药代动力学|药物相互作用|贮藏|特殊人群|安全提醒|就医指征|非药物建议|用药建议|用药方案|通用药学知识|来源汇总|病情评估|处理方案|免责声明|AI 声明|AI声明|来源说明|记忆技巧|考试频率|知识要点|考点定位|摘要|原文引用|条款出处|关联条款|安全提醒|详细内容|来源说明|药物概况';
  214. var psRe=new RegExp('【('+PROMPT_SECTIONS+')】','g');
  215. h=h.replace(/【(.+?)】/g,function(m,p1){
  216. if(psRe.test(m))return'<h3>【'+p1+'】</h3>';
  217. return'<h3 class="src-section">【'+p1+'】</h3>';
  218. });
  219. psRe.lastIndex=0;
  220. h=h.replace(/<br><h3>/g,'<h3>');h=h.replace(/<\/h3><br>/g,'</h3>');
  221. h=h.replace(/(?:<br>|^)[-*]\s+(.+?)(?=<br>|$)/g,'<li>$1</li>');
  222. h=h.replace(/((?:<li>.*?<\/li>)+)/g,'<ul>$1</ul>');
  223. h=h.replace(/(?:<br>|^)(\d+)\.\s+(.+?)(?=<br>|$)/g,'<li>$2</li>');
  224. h=h.replace(/((?:<li>.*?<\/li>)+)/g,function(m){return m.indexOf('<ul>')>=0?m:'<ol>'+m+'</ol>'});
  225. h='<p>'+h+'</p>';h=h.replace(/<p>(<br>)*<\/p>/g,'');h=h.replace(/<p><\/p>/g,'');
  226. h=h.replace(/(?<!href=")(?<!href=')(?<!">)(?<!'>)(https?:\/\/[^\s<>]+)/g,'<a href="$1" target="_blank" rel="noopener" class="ext-link">$1</a>');
  227. h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
  228. return h;
  229. }
  230. var STREAMING=false,streamAbort=null,currentIntent='';
  231. var pendingMedia=null;
  232. // ============================================================
  233. // 本地对话持久化 (IndexedDB, 上限 256MB)
  234. // ============================================================
  235. var chatDB=null,chatDBTotalSize=0,chatDBMaxSize=256*1024*1024;
  236. function openChatDB(){
  237. return new Promise(function(resolve,reject){
  238. var req=indexedDB.open('PharmaChat',1);
  239. req.onupgradeneeded=function(e){
  240. var db=e.target.result;
  241. if(!db.objectStoreNames.contains('messages')){db.createObjectStore('messages',{keyPath:'id',autoIncrement:true})}
  242. };
  243. req.onsuccess=function(e){chatDB=e.target.result;resolve()};
  244. req.onerror=function(e){reject(e.target.error)};
  245. });
  246. }
  247. function saveMsgToDB(msg){
  248. if(!chatDB)return;
  249. var tx=chatDB.transaction('messages','readwrite');
  250. var store=tx.objectStore('messages');
  251. store.add(msg);
  252. chatDBTotalSize+=new Blob([JSON.stringify(msg)]).size;
  253. pruneIfNeeded();
  254. }
  255. function pruneIfNeeded(){
  256. if(chatDBTotalSize<=chatDBMaxSize)return;
  257. var tx=chatDB.transaction('messages','readwrite');
  258. var store=tx.objectStore('messages');
  259. var req=store.openCursor();
  260. req.onsuccess=function(e){
  261. var cursor=e.target.result;
  262. if(cursor&&chatDBTotalSize>chatDBMaxSize*0.8){
  263. chatDBTotalSize-=new Blob([JSON.stringify(cursor.value)]).size;
  264. cursor.delete();
  265. cursor.continue();
  266. }
  267. };
  268. }
  269. function loadChatFromDB(){
  270. return new Promise(function(resolve){
  271. if(!chatDB){resolve([]);return}
  272. var tx=chatDB.transaction('messages','readonly');
  273. var store=tx.objectStore('messages');
  274. var req=store.getAll();
  275. req.onsuccess=function(){
  276. var msgs=req.result||[];
  277. chatDBTotalSize=0;
  278. for(var i=0;i<msgs.length;i++){chatDBTotalSize+=new Blob([JSON.stringify(msgs[i])]).size}
  279. resolve(msgs);
  280. };
  281. req.onerror=function(){resolve([])};
  282. });
  283. }
  284. window.clearChat=function(){
  285. if(!chatDB)return;
  286. if(!confirm('确定要清空所有本地对话记录吗?此操作不可撤销。'))return;
  287. var tx=chatDB.transaction('messages','readwrite');
  288. tx.objectStore('messages').clear();
  289. chatDBTotalSize=0;
  290. document.getElementById('chat').innerHTML='<div class="welcome"><div class="icon">📷💊🎬</div><p>输入药品名称或问题,AI 从药典知识库中检索回答<br><small style="color:#aaa">支持图片/视频上传识别 · 2025版药典</small></p></div>';
  291. };
  292. async function restoreChat(){
  293. var msgs=await loadChatFromDB();
  294. if(!msgs.length)return;
  295. var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
  296. for(var i=0;i<msgs.length;i++){
  297. var m=msgs[i],div=document.createElement('div');
  298. div.className='msg '+m.role;
  299. if(m.role==='user'){div.textContent=m.content}
  300. else{
  301. var tag=m.intent||'';
  302. var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
  303. div.innerHTML=tagHtml+'<div class="content">'+md2html(m.content)+'</div>';
  304. }
  305. document.getElementById('chat').appendChild(div);
  306. }
  307. document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
  308. }
  309. function onFilePicked(type){
  310. var input=document.getElementById(type==='video'?'videoInput':'imageInput');
  311. var file=input.files[0];if(!file)return;
  312. if(type==='video'&&file.size>50*1024*1024){alert('视频不能超过50MB');input.value='';return}
  313. if(type==='image'&&file.size>7*1024*1024){alert('图片不能超过7MB');input.value='';return}
  314. var reader=new FileReader();
  315. reader.onload=function(e){
  316. var b64=e.target.result.split(',')[1];
  317. pendingMedia={type:type,base64:b64,mime:file.type||(type==='video'?'video/mp4':'image/jpeg'),name:file.name};
  318. var preview=document.getElementById('previewArea');preview.style.display='flex';
  319. document.getElementById('previewLabel').textContent=(type==='video'?'🎬 ':'📷 ')+file.name;
  320. if(type==='image'){
  321. document.getElementById('previewThumb').src=e.target.result;document.getElementById('previewThumb').style.display='block';
  322. document.getElementById('previewVid').style.display='none';
  323. }else{
  324. document.getElementById('previewVid').src=e.target.result;document.getElementById('previewVid').style.display='block';
  325. document.getElementById('previewThumb').style.display='none';
  326. }
  327. var inp=document.getElementById('userInput');
  328. if(!inp.value.trim())inp.placeholder=type==='video'?'视频已就绪,可输入补充问题...':'图片已就绪,可输入补充问题...';
  329. };
  330. reader.readAsDataURL(file);
  331. }
  332. function clearMedia(){
  333. pendingMedia=null;
  334. document.getElementById('previewArea').style.display='none';
  335. document.getElementById('imageInput').value='';
  336. document.getElementById('videoInput').value='';
  337. document.getElementById('previewThumb').style.display='none';
  338. document.getElementById('previewVid').style.display='none';
  339. document.getElementById('userInput').placeholder='输入药品问题...';
  340. }
  341. function addMsg(role,text,streaming,intent){
  342. var chat=document.getElementById('chat'),div=document.createElement('div');
  343. div.className='msg '+role+(streaming?' streaming':'');
  344. if(role==='user'){div.textContent=text}else{
  345. var tag=intent||currentIntent||'';
  346. var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
  347. div.innerHTML=tagHtml+'<div class="content">'+(text?md2html(text):'')+(streaming?'<span class="cursor">|</span>':'')+'</div>';
  348. }
  349. chat.appendChild(div);chat.scrollTop=chat.scrollHeight;
  350. if(role==='user'){saveMsgToDB({role:'user',content:text,ts:Date.now()})}
  351. return div;
  352. }
  353. async function streamAsk(query,media,aiDiv,contentDiv){
  354. var endpoint,body;
  355. if(media&&media.type==='image'){
  356. endpoint=API_BASE+'/api/v1/chat/stream-image';
  357. body=JSON.stringify({imageBase64:media.base64,mimeType:media.mime,message:query});
  358. }else if(media&&media.type==='video'){
  359. endpoint=API_BASE+'/api/v1/chat/stream-multimodal';
  360. body=JSON.stringify({mediaType:'video',mediaBase64:media.base64,mediaMime:media.mime,message:query});
  361. }else{
  362. endpoint=API_BASE+'/api/v1/chat/stream';
  363. body=JSON.stringify({message:query});
  364. }
  365. try{
  366. var ctrl=streamAbort?streamAbort:new AbortController();
  367. var r=await fetchApi(endpoint,{method:'POST',body:body,signal:ctrl.signal});
  368. if(!r.ok){contentDiv.innerHTML=md2html('请求失败: HTTP '+r.status);aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();return}
  369. sourcesData=[];
  370. var reader=r.body.getReader(),decoder=new TextDecoder(),buffer='',fullText='',eventType='';
  371. while(true){
  372. var{ done, value }=await reader.read();
  373. if(done)break;
  374. buffer+=decoder.decode(value,{stream:true});
  375. var lines=buffer.split('\n');buffer=lines.pop()||'';
  376. for(var i=0;i<lines.length;i++){
  377. var line=lines[i].trim();
  378. if(!line){eventType='';continue}
  379. if(line.startsWith('event:')){eventType=line.substring(6).trim();continue}
  380. if(line.startsWith('data:')){
  381. var data=line.substring(5).trim();
  382. if(data==='[DONE]')continue;
  383. if(eventType==='status'){
  384. contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> '+esc(data)+'</div>';
  385. document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
  386. continue;
  387. }
  388. if(eventType==='intent'){currentIntent=data;var tagEl=aiDiv.querySelector('.tag');if(tagEl){tagEl.textContent=intentLabel(data);tagEl.className='tag '+tagClass(data)}continue}
  389. if(eventType==='meta'){
  390. try{var meta=JSON.parse(data);if(meta.sources&&meta.sources.length>0)sourcesData=meta.sources}catch(e){}
  391. continue;
  392. }
  393. fullText+=data;
  394. contentDiv.innerHTML=md2html(fullText)+'<span class="cursor">|</span>';
  395. document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
  396. eventType='';
  397. }
  398. }
  399. }
  400. contentDiv.innerHTML=md2html(fullText)+buildSourceTags();var c=contentDiv.querySelector('.cursor');if(c)c.remove();
  401. // 保存 AI 回复到本地
  402. saveMsgToDB({role:'ai',content:fullText,intent:currentIntent,ts:Date.now()});
  403. }catch(e){
  404. if(e.name==='AbortError'){contentDiv.innerHTML=md2html(fullText+' <span style="color:var(--rd)">已停止</span>')+buildSourceTags();}
  405. else{contentDiv.innerHTML=md2html('连接失败: '+esc(e.message));}
  406. }
  407. aiDiv.classList.remove('streaming');STREAMING=false;streamAbort=null;resetSendBtn();
  408. document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
  409. }
  410. window.quickAsk=function(t){document.getElementById('userInput').value=t;send()};
  411. function resetSendBtn(){document.getElementById('sendBtn').disabled=false;document.getElementById('stopBtn').style.display='none'}
  412. window.stopCurrent=function(){STREAMING=false;if(streamAbort){streamAbort.abort();streamAbort=null}resetSendBtn()};
  413. window.send=function(){
  414. var input=document.getElementById('userInput'),text=input.value.trim();
  415. var hasMedia=!!pendingMedia;
  416. if(!text&&!hasMedia)return;input.value='';if(STREAMING)return;
  417. doSend(text,hasMedia?pendingMedia:null);
  418. };
  419. function doSend(text,media){
  420. STREAMING=true;streamAbort=new AbortController();
  421. document.getElementById('sendBtn').disabled=true;document.getElementById('stopBtn').style.display='inline-block';
  422. var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
  423. var userDisplay=text;
  424. if(media){var mi=media.type==='video'?'🎬 [视频] ':'📷 [图片] ';userDisplay=mi+(text||('请分析此'+(media.type==='video'?'视频':'图片')))}
  425. addMsg('user',userDisplay);
  426. var query=text;
  427. if(media&&!text){query='请分析此'+(media.type==='video'?'视频':'图片')+'中的药品信息'}
  428. if(!query){query='请介绍一下自己'}
  429. if(media)pendingMedia=null;if(media)clearMedia();
  430. currentIntent=classifyIntent(query);
  431. var aiDiv=addMsg('ai','',true,currentIntent),contentDiv=aiDiv.querySelector('.content');
  432. contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> 检索中...</div>';
  433. streamAsk(query,media,aiDiv,contentDiv);
  434. }
  435. function buildSourceTags(){
  436. if(!sourcesData||!sourcesData.length)return'';
  437. var groups={},order=[];
  438. for(var i=0;i<sourcesData.length;i++){
  439. var s=sourcesData[i];
  440. if(!s.section||s.section==='正文')continue;
  441. var name=s.name||'未知';
  442. var ver=s.source||s.category||'';
  443. var gkey=name+'|'+ver;
  444. if(!groups[gkey]){groups[gkey]={sections:[],seen:new Set(),name:name,source:ver,drugId:s.drug_id||''};order.push(gkey);}
  445. var key=s.section;
  446. if(!groups[gkey].seen.has(key)){
  447. groups[gkey].seen.add(key);
  448. var excerpt=(s.excerpt||'').replace(/【.+?】/g,'').replace(/来源:.*$/gm,'').trim();
  449. var showExcerpt=excerpt.length>400?excerpt.substring(0,400)+'...':excerpt;
  450. groups[gkey].sections.push({section:key,excerpt:showExcerpt});
  451. }
  452. }
  453. if(!order.length)return'';
  454. var h='<div class="source-tags">';
  455. for(var g=0;g<order.length;g++){
  456. var dn=order[g],grp=groups[dn],cnt=grp.sections.length;
  457. h+='<div style="margin-bottom:10px">';
  458. h+='<div class="src-title">📖 '+esc(dn)+' · '+esc(grp.source)+' ('+cnt+'个栏目)';
  459. h+=' <a href="javascript:void(0)" onclick="switchTab(\'drugs\');loadDrugDetail(\''+escAttr(grp.drugId)+'\')" style="font-size:11px;color:#002FA7">查看详情 →</a></div>';
  460. for(var s=0;s<grp.sections.length;s++){
  461. var sec=grp.sections[s];
  462. h+='<span class="source-tag" onclick="var p=this.parentNode;this.classList.toggle(\'open\')">'+esc(sec.section)+'<div class="src-excerpt"><strong>'+esc(dn)+' · '+esc(sec.source)+'</strong><br><br>'+esc(sec.excerpt)+'</div></span>';
  463. }
  464. h+='</div>';
  465. }
  466. h+='</div>';
  467. return h;
  468. }
  469. window.loadDrugDetailBySrc=async function(drugName){
  470. try{
  471. var r=await fetchApi(API_BASE+'/api/v1/drug/search?keyword='+encodeURIComponent(drugName)+'&page_size=10');
  472. var d=await r.json();var items=d.items||d.data||[];
  473. items.sort(function(a,b){
  474. var va=a.source_version||'', vb=b.source_version||'';
  475. if(va==='2025年版' && vb!=='2025年版') return -1;
  476. if(vb==='2025年版' && va!=='2025年版') return 1;
  477. return (a.name===drugName?-1:0) - (b.name===drugName?-1:0);
  478. });
  479. if(items.length>0){loadDrugDetail(items[0].drug_id)}
  480. else{alert('未找到药品: '+drugName)}
  481. }catch(e){}
  482. };
  483. // 药品库
  484. var ALL_DRUGS=[],drugPage=1,drugTotalPages=1,drugPageSize=20,drugKeyword='';
  485. async function loadDrugList(page){
  486. page=page||1;drugPage=page;
  487. var url=API_BASE+'/api/v1/drug/search?page='+page+'&page_size='+drugPageSize;
  488. if(drugKeyword) url+='&keyword='+encodeURIComponent(drugKeyword);
  489. try{var r=await fetchApi(url);var d=await r.json();
  490. ALL_DRUGS=d.items||d.data||[];drugTotalPages=d.total_pages||1;
  491. renderDrugCards(ALL_DRUGS);
  492. }catch(e){ALL_DRUGS=[];renderDrugCards([])}
  493. }
  494. window.searchDrugs=function(){
  495. drugKeyword=(document.getElementById('drugSearchInput').value||'').trim();
  496. loadDrugList(1);
  497. return false;
  498. };
  499. function renderDrugCards(items){
  500. var h='';
  501. if(!items.length){document.getElementById('drugList').innerHTML='<div class="welcome"><div class="icon">📭</div><p>未找到,尝试其他关键词</p></div>';document.getElementById('drugPager').innerHTML='';return}
  502. for(var i=0;i<items.length;i++){var d=items[i];h+='<div class="drug-card" onclick="loadDrugDetail(\''+escAttr(d.drug_id)+'\')"><h3>'+esc(d.name)+'</h3><div class="meta">'+(d.category||'')+' · '+(d.source_version||'')+'</div></div>'}
  503. document.getElementById('drugList').innerHTML=h;
  504. renderPager();
  505. }
  506. function renderPager(){
  507. var h='<div class="pager">';
  508. h+='<button onclick="loadDrugList(1)" '+(drugPage<=1?'disabled':'')+'>首页</button>';
  509. h+='<button onclick="loadDrugList('+(drugPage-1)+')" '+(drugPage<=1?'disabled':'')+'>‹</button>';
  510. var start=Math.max(1,drugPage-2),end=Math.min(drugTotalPages,drugPage+2);
  511. for(var p=start;p<=end;p++){
  512. h+='<button class="'+(p===drugPage?'active':'')+'" onclick="loadDrugList('+p+')">'+p+'</button>';
  513. }
  514. h+='<button onclick="loadDrugList('+(drugPage+1)+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>›</button>';
  515. h+='<button onclick="loadDrugList('+drugTotalPages+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>末页</button>';
  516. h+='<span class="page-info">共 '+drugTotalPages+' 页</span>';
  517. h+='<span class="page-info">跳至</span>';
  518. h+='<input type="number" min="1" max="'+drugTotalPages+'" value="'+drugPage+'" onkeydown="if(event.key===\'Enter\'){var v=parseInt(this.value);if(v>=1&&v<='+drugTotalPages+')loadDrugList(v)}" style="width:48px;padding:6px 4px;border:1px solid #d0d5dd;border-radius:6px;font-size:12px;text-align:center">';
  519. h+='<span class="page-info">页</span>';
  520. h+='<select onchange="drugPageSize=parseInt(this.value);loadDrugList(1)">';
  521. [10,20,50,100].forEach(function(s){h+='<option value="'+s+'"'+(drugPageSize===s?' selected':'')+'>'+s+' 条/页</option>'});
  522. h+='</select>';
  523. h+='</div>';
  524. document.getElementById('drugPager').innerHTML=h;
  525. }
  526. window.loadDrugDetail=async function(drugId){
  527. try{
  528. var r=await fetchApi(API_BASE+'/api/v1/drug/'+encodeURIComponent(drugId));
  529. var d=await r.json();var drug=d.data||d;
  530. var dd=document.getElementById('tabDrugs');
  531. var topBar='<div style="display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e0e0e0">';
  532. topBar+='<button onclick="showDrugList()" class="btn btn-secondary" style="padding:4px 12px;min-height:auto;font-size:12px">← 返回列表</button>';
  533. topBar+='<span style="font-size:13px;color:var(--sub)">药品详情</span></div>';
  534. var h='<div class="drug-detail">'+topBar;
  535. h+='<h2>'+esc(drug.name||'')+'</h2>';
  536. h+='<div class="info-row">'+(drug.pinyin||'')+' '+(drug.name_en||'')+'</div>';
  537. h+='<div class="info-row">分类: '+(drug.category||'')+(drug.subcategory?' · '+drug.subcategory:'')+'</div>';
  538. h+='<div class="info-row">来源: '+(drug.source_version||'')+' '+(drug.source_volume||'')+(drug.source_page?' P'+drug.source_page:'')+'</div>';
  539. if(drug.sections&&typeof drug.sections==='object'){var keys=Object.keys(drug.sections);
  540. h+='<div style="margin:14px 0;padding:10px 12px;background:#f8f9fc;border-radius:8px;font-size:12px;line-height:2">';
  541. h+='<span style="color:var(--sub);font-weight:600">快速跳转:</span>';
  542. for(var k=0;k<keys.length;k++){h+='<a href="javascript:void(0)" onclick="document.getElementById(\'sec-'+k+'\').scrollIntoView({behavior:\'smooth\'})" style="margin:0 6px;color:#002FA7;text-decoration:none;white-space:nowrap">'+esc(keys[k])+'</a>'}
  543. h+='</div>';
  544. for(var k=0;k<keys.length;k++){h+='<h3 id="sec-'+k+'">【'+esc(keys[k])+'】</h3><div class="section">'+md2html(drug.sections[keys[k]])+'</div>'}}
  545. var bottomBar='<div style="display:flex;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid #e0e0e0">';
  546. bottomBar+='<button class="btn btn-secondary" onclick="showDrugList()" style="flex:1">← 返回列表</button>';
  547. bottomBar+='<button class="btn btn-secondary" onclick="switchTab(\'chat\')" style="flex:1">💬 返回对话</button>';
  548. bottomBar+='<button class="btn btn-primary" onclick="switchTab(\'chat\');quickAsk(\''+escAttr(drug.name)+'\')" style="flex:1">💊 询问此药</button>';
  549. bottomBar+='</div>';
  550. h+=bottomBar+'</div>';
  551. dd.innerHTML=h;
  552. }catch(e){document.getElementById('tabDrugs').innerHTML='<div class="welcome"><p>加载失败</p></div>'}
  553. };
  554. window.showDrugList=function(){
  555. document.getElementById('tabDrugs').innerHTML='<div class="search-box"><input id="drugSearchInput" placeholder="搜索药品名称..." oninput="searchDrugs()" value="'+escAttr(drugKeyword)+'"></div><div class="drug-list" id="drugList"></div><div class="drug-pager" id="drugPager"></div>';
  556. renderDrugCards(ALL_DRUGS);
  557. };
  558. window.switchTab=function(tab){
  559. document.querySelectorAll('.nav-btn').forEach(function(b){b.classList.toggle('active',b.dataset.tab===tab)});
  560. document.getElementById('tabChat').classList.toggle('hidden',tab!=='chat');
  561. document.getElementById('tabDrugs').classList.toggle('hidden',tab!=='drugs');
  562. if(tab==='drugs'){
  563. drugKeyword='';drugPage=1;
  564. showDrugList();
  565. document.getElementById('drugList').innerHTML='<div class="welcome"><div class="icon">⏳</div><p>加载中...</p></div>';
  566. document.getElementById('drugPager').innerHTML='';
  567. loadDrugList(1);
  568. }
  569. };
  570. // 初始化:获取 token → 打开本地数据库 → 恢复对话 → 预加载药品列表
  571. (async function init(){
  572. await ensureToken();
  573. await openChatDB();
  574. await restoreChat();
  575. loadDrugList();
  576. })();
  577. </script>
  578. </body>
  579. </html>