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  1. <!DOCTYPE html>
    2. 

  2. <html lang="zh-CN">
    3. 

  3. <head>
    4. 

  4. <meta charset="UTF-8">
    5. 

  5. <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    6. 

  6. <title>AI 药典助手</title>
    7. 

  7. <style>
    8. 

  8. :root{--bk:#002FA7;--bk-l:#E8EDF8;--rd:#C41E3A;--rd-l:#FDEAEE;--bg:#F5F6FA;--card:#fff;--text:#1a1a2e;--sub:#888;--radius:12px}
    9. 

  9. *{margin:0;padding:0;box-sizing:border-box}
    10. 

  10. body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);height:100dvh;display:flex;flex-direction:column}
    11. 

  11. .header{background:linear-gradient(135deg,var(--bk),#1a3fbf);color:#fff;padding:12px 14px;text-align:center;flex-shrink:0;position:relative;overflow:hidden}
    12. 

  12. .header::after{content:'';position:absolute;top:-40px;right:-30px;width:120px;height:120px;background:var(--rd);border-radius:50%;opacity:.15}
    13. 

  13. .header h1{font-size:17px;font-weight:700;position:relative;z-index:1}
    14. 

  14. .header .sub{font-size:11px;opacity:.85;margin-top:2px;position:relative;z-index:1}
    15. 

  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. 

  16. .nav{display:flex;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}
    17. 

  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. 

  18. .nav-btn.active{color:var(--bk);border-bottom-color:var(--bk);font-weight:600}
    19. 

  19. .chat{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:12px}
    20. 

  20. .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}
    21. 

  21. .msg.user{align-self:flex-end;background:var(--bk);color:#fff;border-radius:var(--radius) var(--radius) 4px var(--radius)}
    22. 

  22. .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)}
    23. 

  23. .msg.ai .tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;margin-bottom:6px;font-weight:600}
    24. 

  24. .tag-drug{background:var(--bk-l);color:var(--bk)}
    25. 

  25. .tag-usage{background:var(--rd-l);color:var(--rd)}
    26. 

  26. .tag-symptom{background:#fff3e0;color:#e65100}
    27. 

  27. .tag-regulation{background:#f3e5f5;color:#6a1b9a}
    28. 

  28. .tag-exam{background:#e0f2f1;color:#00695c}
    29. 

  29. .content p{margin:0 0 12px 0;line-height:1.8;word-break:break-word}
    30. 

  30. .content p:last-child{margin-bottom:0}
    31. 

  31. .content strong{color:#111}
    32. 

  32. .content ul,.content ol{margin:8px 0;padding-left:18px;line-height:1.8}
    33. 

  33. .content li{margin:4px 0}
    34. 

  34. .content h3{font-size:15px;margin:16px 0 8px;color:var(--bk)}
    35. 

  35. .content .warn{color:var(--rd);font-weight:600}
    36. 

  36. .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}
    37. 

  37. @keyframes thinkPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
    38. 

  38. .thinking{color:var(--sub);font-size:13px;padding:4px 0}
    39. 

  39. .cursor{animation:blink .8s infinite;color:var(--bk);font-weight:700}
    40. 

  40. @keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
    41. 

  41. @keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
    42. 

  42. .source{margin-top:10px;padding-top:8px;border-top:1px solid #eee;font-size:11px;color:#aaa;line-height:1.6}
    43. 

  43. .source span{color:#888;font-weight:500}
    44. 

  44. .source-sep{display:block;margin:16px 0 8px;padding-top:12px;border-top:1px dashed #ddd;color:#999;font-size:12px}
    45. 

  45. .ext-link{color:#002FA7;text-decoration:underline;word-break:break-all}
    46. 

  46. .ext-link:hover{color:#C41E3A}
    47. 

  47. .ext-link:visited{color:#6a1b9a}
    48. 

  48. .input-area{display:flex;padding:10px 14px;background:#fff;border-top:1px solid #e0e0e0;gap:8px;flex-shrink:0}
    49. 

  49. .input-area input{flex:1;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
    50. 

  50. .input-area input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    51. 

  51. .btn{padding:8px 18px;border:none;border-radius:24px;font-size:14px;font-weight:700;cursor:pointer;min-height:44px;white-space:nowrap}
    52. 

  52. .btn-primary{background:var(--bk);color:#fff}
    53. 

  53. .btn-danger{background:var(--rd);color:#fff}
    54. 

  54. .btn-secondary{background:#999;color:#fff}
    55. 

  55. .btn:disabled{opacity:.4;cursor:default}
    56. 

  56. .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}
    57. 

  57. .media-btn:hover{background:linear-gradient(135deg,#002FA7,#1a3fbf);color:#fff;border-color:#002FA7;transform:scale(1.05)}
    58. 

  58. .media-btn:active{transform:scale(.95)}
    59. 

  59. .media-label{font-size:10px;font-weight:600;color:#002FA7;white-space:nowrap;margin-top:-2px}
    60. 

  60. .media-btn:hover .media-label{color:#fff}
    61. 

  61. .tags{display:flex;gap:6px;padding:6px 14px 10px;flex-wrap:wrap;flex-shrink:0}
    62. 

  62. .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}
    63. 

  63. .tag-btn:active{background:rgba(0,47,167,.15)}
    64. 

  64. .welcome{text-align:center;color:var(--sub);padding:40px 20px}
    65. 

  65. .welcome .icon{font-size:48px;margin-bottom:12px}
    66. 

  66. .drug-list{flex:1;overflow-y:auto;padding:12px 14px}
    67. 

  67. .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}
    68. 

  68. .drug-card h3{font-size:15px;color:var(--bk);margin-bottom:4px}
    69. 

  69. .drug-card .meta{font-size:12px;color:var(--sub)}
    70. 

  70. .drug-detail{padding:16px 14px;flex:1;overflow-y:auto}
    71. 

  71. .drug-detail h2{font-size:20px;color:var(--bk);margin-bottom:8px}
    72. 

  72. .drug-detail h3{font-size:15px;color:var(--bk);margin:16px 0 8px}
    73. 

  73. .drug-detail .info-row{font-size:13px;color:var(--sub);margin:4px 0}
    74. 

  74. .drug-detail .section{background:var(--card);border-radius:8px;padding:12px;margin:8px 0;font-size:14px;line-height:1.8}
    75. 

  75. .search-box{padding:10px 14px;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}
    76. 

  76. .search-box input{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
    77. 

  77. .search-box input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    78. 

  78. .status-bar{font-size:11px;padding:4px 14px;text-align:center;flex-shrink:0}
    79. 

  79. .hidden{display:none!important}
    80. 

  80. .pager{display:flex;justify-content:center;align-items:center;gap:4px;padding:16px 4px;flex-wrap:wrap}
    81. 

  81. .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}
    82. 

  82. .pager button:hover:not(:disabled){background:#E8EDF8;border-color:#002FA7;color:#002FA7}
    83. 

  83. .pager button.active{background:#002FA7;color:#fff;border-color:#002FA7;font-weight:600}
    84. 

  84. .pager button:disabled{opacity:.35;cursor:default}
    85. 

  85. .pager .page-info{font-size:12px;color:#888;margin:0 4px;white-space:nowrap}
    86. 

  86. .pager select{padding:6px 8px;appearance:auto}
    87. 

  87. </style>
    88. 

  88. </head>
    89. 

  89. <body>
    90. 

  90. <div class="header">
    91. 

  91.   <h1>AI 药典助手</h1>
    92. 

  92.   <div class="sub">基于《中华人民共和国药典》& 通义千问</div>
    93. 

  93.   <div class="badge">连接知识库</div>
    94. 

  94. </div>
    95. 

  95. <div class="nav">
    96. 

  96.   <button class="nav-btn active" data-tab="chat" onclick="switchTab('chat')">AI 对话</button>
    97. 

  97.   <button class="nav-btn" data-tab="drugs" onclick="switchTab('drugs')">药品库</button>
    98. 

  98. </div>
    99. 

  99. <div class="status-bar" style="color:#1976d2">API 模式 — 连接后端知识库</div>
    100. 

  100. <div id="tabChat">
    101. 

  101.   <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版药典为主 · 2020版补充</small></p></div></div>
    102. 

  102.   <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>
    103. 

  103.   <div id="previewArea" style="display:none;padding:8px 14px;background:#fffef5;border-top:1px solid #f0e68c;align-items:center;gap:10px;flex-wrap:wrap">
    104. 

  104.     <span id="previewLabel" style="font-size:13px;color:#666;font-weight:500"></span>
    105. 

  105.     <img id="previewThumb" style="max-width:80px;max-height:60px;border-radius:6px;display:none;border:1px solid #ddd">
    106. 

  106.     <video id="previewVid" style="max-width:150px;max-height:84px;border-radius:6px;display:none;border:1px solid #ddd" muted></video>
    107. 

  107.     <button class="btn btn-secondary" style="font-size:12px;padding:4px 12px;min-height:auto" onclick="clearMedia()">✕ 移除附件</button>
    108. 

  108.   </div>
    109. 

  109.   <div class="input-area">
    110. 

  110.     <button class="media-btn" onclick="document.getElementById('imageInput').click()" title="上传图片">📷<span class="media-label">图片</span></button>
    111. 

  111.     <button class="media-btn" onclick="document.getElementById('videoInput').click()" title="上传视频">🎬<span class="media-label">视频</span></button>
    112. 

  112.     <input type="file" id="imageInput" accept="image/*" onchange="onFilePicked('image')" style="display:none">
    113. 

  113.     <input type="file" id="videoInput" accept="video/*" onchange="onFilePicked('video')" style="display:none">
    114. 

  114.     <input id="userInput" placeholder="输入药品问题，或上传图片/视频...">
    115. 

  115.     <button class="btn btn-danger" id="sendBtn" onclick="send()">发送</button>
    116. 

  116.     <button class="btn btn-secondary" id="stopBtn" onclick="stopCurrent()" style="display:none">停止</button>
    117. 

  117.   </div>
    118. 

  118. </div>
    119. 

  119. <div id="tabDrugs" class="hidden">
    120. 

  120.   <div class="search-box"><input id="drugSearchInput" placeholder="搜索药品名称..." oninput="searchDrugs()"></div>
    121. 

  121.   <div class="drug-list" id="drugList"></div>
    122. 

  122. </div>
    123. 

  123. <script>
    124. 

  124. // ============================================================
    125. 

  125. // API 配置 —— 自动检测同主机 9000 端口
    126. 

  126. // ============================================================
    127. 

  127. // 走 nginx 反向代理，无需暴露 9000 端口
    128. 

  128. var API_BASE = '';
    129. 

  129. var TOKEN = null;
    130. 

  130. 

  131. async function getToken(){
    132. 

  132.   try {
    133. 

  133.     var r = await fetch(API_BASE + '/api/v1/auth/guest', {method:'POST',headers:{'Content-Type':'application/json'}});
    134. 

  134.     var d = await r.json();
    135. 

  135.     TOKEN = d.access_token;
    136. 

  136.     return TOKEN;
    137. 

  137.   } catch(e) { return null; }
    138. 

  138. }
    139. 

  139. getToken();
    140. 

  140. 

  141. function authHeaders(){
    142. 

  142.   var h = {'Content-Type':'application/json'};
    143. 

  143.   if (TOKEN) h['Authorization'] = 'Bearer ' + TOKEN;
    144. 

  144.   return h;
    145. 

  145. }
    146. 

  146. 

  147. function classifyIntent(q){
    148. 

  148.   var t = q.trim();
    149. 

  149.   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';
    150. 

  150.   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';
    151. 

  151.   if (/凡例|通则/.test(t)) return 'regulation';
    152. 

  152.   if (/药师|考点|真题/.test(t)) return 'exam_tutor';
    153. 

  153.   return 'drug_query';
    154. 

  154. }
    155. 

  155. function intentLabel(i){
    156. 

  156.   var m = {drug_query:'药品查询',usage_guide:'用法用量',symptom_advice:'用药建议',regulation:'法规条款',exam_tutor:'考试辅导'};
    157. 

  157.   return m[i]||'综合查询';
    158. 

  158. }
    159. 

  159. function tagClass(i){
    160. 

  160.   var m = {drug_query:'tag-drug',usage_guide:'tag-usage',symptom_advice:'tag-symptom',regulation:'tag-regulation',exam_tutor:'tag-exam'};
    161. 

  161.   return m[i]||'tag-fallback';
    162. 

  162. }
    163. 

  163. 

  164. function esc(s){if(!s)return'';return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')}
    165. 

  165. function escAttr(s){if(!s)return'';return s.replace(/"/g,'&quot;').replace(/'/g,'&#39;')}
    166. 

  166. function md2html(h){
    167. 

  167.   if(!h)return'';h=esc(h);
    168. 

  168.   h=h.replace(/\*\*(.+?)\*\*/g,'<strong>$1</strong>');
    169. 

  169.   h=h.replace(/⚠️?\s*([^\n<]+)/g,'<span class="warn">$1</span>');
    170. 

  170.   h=h.replace(/\[([^\]]+)\]\((https?:\/\/[^\s<>)]+)\)/g,'<a href="$2" target="_blank" rel="noopener" class="ext-link">$1</a>');
    171. 

  171.   h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
    172. 

  172.   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)';
    173. 

  173.   h=h.replace(new RegExp('(?<![【])】\\s*('+s+')','g'),'【$1】');
    174. 

  174.   h=h.replace(new RegExp('(?<![【])('+s+')】','g'),'【$1】');
    175. 

  175.   h=h.replace(/(?<![<br>\n])【(.+?)】/g,'<br>【$1】');
    176. 

  176.   h=h.replace(/\n\n+/g,'</p><p>');h=h.replace(/\n/g,'<br>');
    177. 

  177.   h=h.replace(/【(.+?)】/g,'<h3>【$1】</h3>');
    178. 

  178.   h=h.replace(/<br><h3>/g,'<h3>');h=h.replace(/<\/h3><br>/g,'</h3>');
    179. 

  179.   h=h.replace(/(?:<br>|^)[-*]\s+(.+?)(?=<br>|$)/g,'<li>$1</li>');
    180. 

  180.   h=h.replace(/((?:<li>.*?<\/li>)+)/g,'<ul>$1</ul>');
    181. 

  181.   h=h.replace(/(?:<br>|^)(\d+)\.\s+(.+?)(?=<br>|$)/g,'<li>$2</li>');
    182. 

  182.   h=h.replace(/((?:<li>.*?<\/li>)+)/g,function(m){return m.indexOf('<ul>')>=0?m:'<ol>'+m+'</ol>'});
    183. 

  183.   h='<p>'+h+'</p>';h=h.replace(/<p>(<br>)*<\/p>/g,'');h=h.replace(/<p><\/p>/g,'');
    184. 

  184.   h=h.replace(/(?<!href=")(?<!href=')(?<!">)(?<!'>)(https?:\/\/[^\s<>]+)/g,'<a href="$1" target="_blank" rel="noopener" class="ext-link">$1</a>');
    185. 

  185.   h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
    186. 

  186.   return h;
    187. 

  187. }
    188. 

  188. 

  189. var STREAMING=false,streamAbort=null,currentIntent='';
    190. 

  190. var pendingMedia=null;
    191. 

  191. 

  192. function onFilePicked(type){
    193. 

  193.   var input=document.getElementById(type==='video'?'videoInput':'imageInput');
    194. 

  194.   var file=input.files[0];if(!file)return;
    195. 

  195.   if(type==='video'&&file.size>50*1024*1024){alert('视频不能超过50MB');input.value='';return}
    196. 

  196.   if(type==='image'&&file.size>10*1024*1024){alert('图片不能超过10MB');input.value='';return}
    197. 

  197.   var reader=new FileReader();
    198. 

  198.   reader.onload=function(e){
    199. 

  199.     var b64=e.target.result.split(',')[1];
    200. 

  200.     pendingMedia={type:type,base64:b64,mime:file.type||(type==='video'?'video/mp4':'image/jpeg'),name:file.name};
    201. 

  201.     var preview=document.getElementById('previewArea');preview.style.display='flex';
    202. 

  202.     document.getElementById('previewLabel').textContent=(type==='video'?'🎬 ':'📷 ')+file.name;
    203. 

  203.     if(type==='image'){
    204. 

  204.       document.getElementById('previewThumb').src=e.target.result;document.getElementById('previewThumb').style.display='block';
    205. 

  205.       document.getElementById('previewVid').style.display='none';
    206. 

  206.     }else{
    207. 

  207.       document.getElementById('previewVid').src=e.target.result;document.getElementById('previewVid').style.display='block';
    208. 

  208.       document.getElementById('previewThumb').style.display='none';
    209. 

  209.     }
    210. 

  210.     var inp=document.getElementById('userInput');
    211. 

  211.     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...';
    212. 

  212.   };
    213. 

  213.   reader.readAsDataURL(file);
    214. 

  214. }
    215. 

  215. function clearMedia(){
    216. 

  216.   pendingMedia=null;
    217. 

  217.   document.getElementById('previewArea').style.display='none';
    218. 

  218.   document.getElementById('imageInput').value='';
    219. 

  219.   document.getElementById('videoInput').value='';
    220. 

  220.   document.getElementById('previewThumb').style.display='none';
    221. 

  221.   document.getElementById('previewVid').style.display='none';
    222. 

  222.   document.getElementById('userInput').placeholder='输入药品问题...';
    223. 

  223. }
    224. 

  224. 

  225. function addMsg(role,text,streaming,intent){
    226. 

  226.   var chat=document.getElementById('chat'),div=document.createElement('div');
    227. 

  227.   div.className='msg '+role+(streaming?' streaming':'');
    228. 

  228.   if(role==='user'){div.textContent=text}else{
    229. 

  229.     var tag=intent||currentIntent||'';
    230. 

  230.     var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
    231. 

  231.     div.innerHTML=tagHtml+'<div class="content">'+(text?md2html(text):'')+(streaming?'<span class="cursor">|</span>':'')+'</div>';
    232. 

  232.   }
    233. 

  233.   chat.appendChild(div);chat.scrollTop=chat.scrollHeight;return div;
    234. 

  234. }
    235. 

  235. 

  236. async function streamAsk(query,media,aiDiv,contentDiv){
    237. 

  237.   var endpoint,body;
    238. 

  238.   if(media&&media.type==='image'){
    239. 

  239.     endpoint=API_BASE+'/api/v1/chat/stream-image';
    240. 

  240.     body=JSON.stringify({image_base64:media.base64,mime_type:media.mime,message:query});
    241. 

  241.   }else if(media&&media.type==='video'){
    242. 

  242.     endpoint=API_BASE+'/api/v1/chat/stream-multimodal';
    243. 

  243.     body=JSON.stringify({media_type:'video',media_base64:media.base64,media_mime:media.mime,message:query});
    244. 

  244.   }else{
    245. 

  245.     endpoint=API_BASE+'/api/v1/chat/stream';
    246. 

  246.     body=JSON.stringify({message:query});
    247. 

  247.   }
    248. 

  248.   try{
    249. 

  249.     var ctrl=streamAbort?streamAbort:new AbortController();
    250. 

  250.     var r=await fetch(endpoint,{method:'POST',headers:authHeaders(),body:body,signal:ctrl.signal});
    251. 

  251.     if(!r.ok){contentDiv.innerHTML=md2html('请求失败: HTTP '+r.status);aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();return}
    252. 

  252.     var reader=r.body.getReader(),decoder=new TextDecoder(),buffer='',fullText='',eventType='',sourcesHtml='';
    253. 

  253.     while(true){
    254. 

  254.       var{ done, value }=await reader.read();
    255. 

  255.       if(done)break;
    256. 

  256.       buffer+=decoder.decode(value,{stream:true});
    257. 

  257.       var lines=buffer.split('\n');buffer=lines.pop()||'';
    258. 

  258.       for(var i=0;i<lines.length;i++){
    259. 

  259.         var line=lines[i].trim();
    260. 

  260.         if(!line){eventType='';continue}
    261. 

  261.         if(line.startsWith('event:')){eventType=line.substring(6).trim();continue}
    262. 

  262.         if(line.startsWith('data:')){
    263. 

  263.           var data=line.substring(5).trim();
    264. 

  264.           if(data==='[DONE]')continue;
    265. 

  265.           if(eventType==='status'){
    266. 

  266.             contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> '+esc(data)+'</div>';
    267. 

  267.             document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    268. 

  268.             continue;
    269. 

  269.           }
    270. 

  270.           if(eventType==='intent'){currentIntent=data;var tagEl=aiDiv.querySelector('.tag');if(tagEl){tagEl.textContent=intentLabel(data);tagEl.className='tag '+tagClass(data)}continue}
    271. 

  271.           if(eventType==='meta'){
    272. 

  272.             try{var meta=JSON.parse(data);}catch(e){}
    273. 

  273.             continue;
    274. 

  274.           }
    275. 

  275.           fullText+=data;
    276. 

  276.           contentDiv.innerHTML=md2html(fullText)+'<span class="cursor">|</span>';
    277. 

  277.           document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    278. 

  278.           eventType='';
    279. 

  279.         }
    280. 

  280.       }
    281. 

  281.     }
    282. 

  282.     contentDiv.innerHTML=md2html(fullText)+(sourcesHtml||'');var c=contentDiv.querySelector('.cursor');if(c)c.remove();
    283. 

  283.   }catch(e){
    284. 

  284.     if(e.name==='AbortError'){contentDiv.innerHTML=md2html(fullText+' <span style="color:var(--rd)">已停止</span>')+(sourcesHtml||'');}
    285. 

  285.     else{contentDiv.innerHTML=md2html('连接失败: '+esc(e.message));}
    286. 

  286.   }
    287. 

  287.   aiDiv.classList.remove('streaming');STREAMING=false;streamAbort=null;resetSendBtn();
    288. 

  288.   document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    289. 

  289. }
    290. 

  290. 

  291. window.quickAsk=function(t){document.getElementById('userInput').value=t;send()};
    292. 

  292. function resetSendBtn(){document.getElementById('sendBtn').disabled=false;document.getElementById('stopBtn').style.display='none'}
    293. 

  293. window.stopCurrent=function(){STREAMING=false;if(streamAbort){streamAbort.abort();streamAbort=null}resetSendBtn()};
    294. 

  294. 

  295. window.send=function(){
    296. 

  296.   var input=document.getElementById('userInput'),text=input.value.trim();
    297. 

  297.   var hasMedia=!!pendingMedia;
    298. 

  298.   if(!text&&!hasMedia)return;input.value='';if(STREAMING)return;
    299. 

  299.   if(!TOKEN){getToken().then(function(){doSend(text,hasMedia?pendingMedia:null)});}else{doSend(text,hasMedia?pendingMedia:null)}
    300. 

  300. };
    301. 

  301. function doSend(text,media){
    302. 

  302.   STREAMING=true;streamAbort=new AbortController();
    303. 

  303.   document.getElementById('sendBtn').disabled=true;document.getElementById('stopBtn').style.display='inline-block';
    304. 

  304.   var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
    305. 

  305.   var userDisplay=text;
    306. 

  306.   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')))}
    307. 

  307.   addMsg('user',userDisplay);
    308. 

  308.   var query=text;
    309. 

  309.   if(media&&!text){query='请分析此'+(media.type==='video'?'视频':'图片')+'中的药品信息'}
    310. 

  310.   if(!query){query='请介绍一下自己'}
    311. 

  311.   if(media)pendingMedia=null;if(media)clearMedia();
    312. 

  312.   currentIntent=classifyIntent(query);
    313. 

  313.   var aiDiv=addMsg('ai','',true,currentIntent),contentDiv=aiDiv.querySelector('.content');
    314. 

  314.   contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> 检索中...</div>';
    315. 

  315.   streamAsk(query,media,aiDiv,contentDiv);
    316. 

  316. }
    317. 

  317. 

  318. // 药品库
    319. 

  319. var ALL_DRUGS=[],drugPage=1,drugTotalPages=1,drugPageSize=20,drugKeyword='';
    320. 

  320. async function loadDrugList(page){
    321. 

  321.   if(!TOKEN) await getToken();
    322. 

  322.   page=page||1;drugPage=page;
    323. 

  323.   var url=API_BASE+'/api/v1/drug/search?page='+page+'&page_size='+drugPageSize;
    324. 

  324.   if(drugKeyword) url+='&keyword='+encodeURIComponent(drugKeyword);
    325. 

  325.   try{var r=await fetch(url,{headers:authHeaders()});var d=await r.json();
    326. 

  326.     ALL_DRUGS=d.items||d.data||[];drugTotalPages=d.total_pages||1;
    327. 

  327.     renderDrugCards(ALL_DRUGS);
    328. 

  328.   }catch(e){ALL_DRUGS=[];renderDrugCards([])}
    329. 

  329. }
    330. 

  330. window.searchDrugs=function(){
    331. 

  331.   drugKeyword=(document.getElementById('drugSearchInput').value||'').trim();
    332. 

  332.   loadDrugList(1);
    333. 

  333.   return false;
    334. 

  334. };
    335. 

  335. function renderDrugCards(items){
    336. 

  336.   var h='';
    337. 

  337.   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>';return}
    338. 

  338.   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>'}
    339. 

  339.   // 分页控制
    340. 

  340.   h+='<div class="pager">';
    341. 

  341.   h+='<button onclick="loadDrugList(1)" '+(drugPage<=1?'disabled':'')+'>首页</button>';
    342. 

  342.   h+='<button onclick="loadDrugList('+(drugPage-1)+')" '+(drugPage<=1?'disabled':'')+'>‹</button>';
    343. 

  343.   var start=Math.max(1,drugPage-2),end=Math.min(drugTotalPages,drugPage+2);
    344. 

  344.   for(var p=start;p<=end;p++){
    345. 

  345.     h+='<button class="'+(p===drugPage?'active':'')+'" onclick="loadDrugList('+p+')">'+p+'</button>';
    346. 

  346.   }
    347. 

  347.   h+='<button onclick="loadDrugList('+(drugPage+1)+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>›</button>';
    348. 

  348.   h+='<button onclick="loadDrugList('+drugTotalPages+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>末页</button>';
    349. 

  349.   h+='<span class="page-info">共 '+drugTotalPages+' 页</span>';
    350. 

  350.   h+='<span class="page-info">跳至</span>';
    351. 

  351.   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">';
    352. 

  352.   h+='<span class="page-info">页</span>';
    353. 

  353.   h+='<select onchange="drugPageSize=parseInt(this.value);loadDrugList(1)">';
    354. 

  354.   [10,20,50,100].forEach(function(s){h+='<option value="'+s+'"'+(drugPageSize===s?' selected':'')+'>'+s+' 条/页</option>'});
    355. 

  355.   h+='</select>';
    356. 

  356.   h+='</div>';
    357. 

  357.   document.getElementById('drugList').innerHTML=h;
    358. 

  358. }
    359. 

  359. window.loadDrugDetail=async function(drugId){
    360. 

  360.   try{
    361. 

  361.     var r=await fetch(API_BASE+'/api/v1/drug/'+encodeURIComponent(drugId),{headers:authHeaders()});
    362. 

  362.     var d=await r.json();var drug=d.data||d;
    363. 

  363.     var dd=document.getElementById('tabDrugs');
    364. 

  364.     var h='<div class="drug-detail"><button class="btn btn-secondary" style="margin-bottom:12px" onclick="showDrugList()">← 返回药品列表</button>';
    365. 

  365.     h+='<h2>'+esc(drug.name||'')+'</h2>';
    366. 

  366.     h+='<div class="info-row">分类: '+(drug.category||'')+' · '+(drug.subcategory||'')+'</div>';
    367. 

  367.     h+='<div class="info-row">来源: '+(drug.source_version||'')+' '+(drug.source_volume||'')+'</div>';
    368. 

  368.     if(drug.sections&&typeof drug.sections==='object'){var keys=Object.keys(drug.sections);for(var k=0;k<keys.length;k++){h+='<h3>【'+esc(keys[k])+'】</h3><div class="section">'+md2html(drug.sections[keys[k]])+'</div>'}}
    369. 

  369.     h+='<br><button class="btn btn-primary" onclick="switchTab(\'chat\');quickAsk(\''+escAttr(drug.name)+'\')">💬 询问此药</button></div>';
    370. 

  370.     dd.innerHTML=h;
    371. 

  371.   }catch(e){document.getElementById('tabDrugs').innerHTML='<div class="welcome"><p>加载失败</p></div>'}
    372. 

  372. };
    373. 

  373. window.showDrugList=function(){
    374. 

  374.   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>';
    375. 

  375.   renderDrugCards(ALL_DRUGS);
    376. 

  376. };
    377. 

  377. window.switchTab=function(tab){
    378. 

  378.   document.querySelectorAll('.nav-btn').forEach(function(b){b.classList.toggle('active',b.dataset.tab===tab)});
    379. 

  379.   document.getElementById('tabChat').classList.toggle('hidden',tab!=='chat');
    380. 

  380.   document.getElementById('tabDrugs').classList.toggle('hidden',tab!=='drugs');
    381. 

  381.   if(tab==='drugs'){drugKeyword='';drugPage=1;document.getElementById('drugList').innerHTML='<div class="welcome"><div class="icon">⏳</div><p>加载中...</p></div>';loadDrugList(1)}
    382. 

  382. };
    383. 

  383. loadDrugList();
    384. 

  384. </script>
    385. 

  385. </body>
    386. 

  386. </html>
    387.