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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;overflow:hidden}
    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;z-index:10}
    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;z-index:10}
    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;-webkit-overflow-scrolling:touch}
    20. 

  20. 	#tabChat,#tabDrugs{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
    21. 

  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. 

  22. .msg.user{align-self:flex-end;background:var(--bk);color:#fff;border-radius:var(--radius) var(--radius) 4px var(--radius)}
    23. 

  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. 

  24. .msg.ai .tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;margin-bottom:6px;font-weight:600}
    25. 

  25. .tag-drug{background:var(--bk-l);color:var(--bk)}
    26. 

  26. .tag-usage{background:var(--rd-l);color:var(--rd)}
    27. 

  27. .tag-symptom{background:#fff3e0;color:#e65100}
    28. 

  28. .tag-regulation{background:#f3e5f5;color:#6a1b9a}
    29. 

  29. .tag-exam{background:#e0f2f1;color:#00695c}
    30. 

  30. .content p{margin:0 0 12px 0;line-height:1.8;word-break:break-word}
    31. 

  31. .content p:last-child{margin-bottom:0}
    32. 

  32. .content strong{color:#111}
    33. 

  33. .content ul,.content ol{margin:8px 0;padding-left:18px;line-height:1.8}
    34. 

  34. .content li{margin:4px 0}
    35. 

  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. 

  36. .content h3{font-size:15px;margin:16px 0 8px;color:var(--bk);font-weight:700}
    37. 

  37. .content h3.src-section{font-size:14px;color:#555;font-weight:600;margin:12px 0 6px}
    38. 

  38. .content .warn{color:var(--rd);font-weight:600}
    39. 

  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. 

  40. @keyframes thinkPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
    41. 

  41. .thinking{color:var(--sub);font-size:13px;padding:4px 0}
    42. 

  42. .cursor{animation:blink .8s infinite;color:var(--bk);font-weight:700}
    43. 

  43. @keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
    44. 

  44. @keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
    45. 

  45. .source{margin-top:10px;padding-top:8px;border-top:1px solid #eee;font-size:11px;color:#aaa;line-height:1.6}
    46. 

  46. .source span{color:#888;font-weight:500}
    47. 

  47. .source-sep{display:block;margin:16px 0 8px;padding-top:12px;border-top:1px dashed #ddd;color:#999;font-size:12px}
    48. 

  48. .source-tags{margin-top:12px;padding-top:10px;border-top:1px dashed #ddd}
    49. 

  49. .source-tags .src-title{font-size:12px;color:#999;margin-bottom:6px}
    50. 

  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. 

  51. .source-tag:hover{background:#002FA7;color:#fff;border-color:#002FA7}
    52. 

  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. 

  53. .source-tag.open .src-excerpt{display:block}
    54. 

  54. .source-tag.open{background:#002FA7;color:#fff}
    55. 

  55. .source-tag .src-excerpt strong{color:#002FA7;font-size:12px}
    56. 

  56. .ext-link{color:#002FA7;text-decoration:underline;word-break:break-all}
    57. 

  57. .ext-link:hover{color:#C41E3A}
    58. 

  58. .ext-link:visited{color:#6a1b9a}
    59. 

  59. .input-area{display:flex;padding:10px 14px;background:#fff;border-top:1px solid #e0e0e0;gap:8px;flex-shrink:0;z-index:10}
    60. 

  60. 	#previewArea{flex-shrink:0}
    61. 

  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. 

  62. .input-area input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    63. 

  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. 

  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. 

  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. 

  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. 

  67. .btn:disabled{opacity:.4;cursor:default}
    68. 

  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. 

  69. .media-btn:hover{background:linear-gradient(135deg,#002FA7,#1a3fbf);color:#fff;border-color:#002FA7;transform:scale(1.05)}
    70. 

  70. .media-btn:active{transform:scale(.95)}
    71. 

  71. .media-label{font-size:10px;font-weight:600;color:#002FA7;white-space:nowrap;margin-top:-2px}
    72. 

  72. .media-btn:hover .media-label{color:#fff}
    73. 

  73. .tags{display:flex;gap:6px;padding:6px 14px 10px;flex-wrap:wrap;flex-shrink:0}
    74. 

  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. 

  75. .tag-btn:active{background:rgba(0,47,167,.15)}
    76. 

  76. .welcome{text-align:center;color:var(--sub);padding:40px 20px}
    77. 

  77. .welcome .icon{font-size:48px;margin-bottom:12px}
    78. 

  78. .drug-list{flex:1;overflow-y:auto;padding:12px 14px;min-height:0}
    79. 

  79. .drug-pager{flex-shrink:0;padding:8px 14px;background:#fff;border-top:1px solid #e0e0e0}
    80. 

  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. 

  81. .drug-card h3{font-size:15px;color:var(--bk);margin-bottom:4px}
    82. 

  82. .drug-card .meta{font-size:12px;color:var(--sub)}
    83. 

  83. .drug-detail{padding:16px 14px;flex:1;overflow-y:auto}
    84. 

  84. .drug-detail h2{font-size:20px;color:var(--bk);margin-bottom:8px}
    85. 

  85. .drug-detail h3{font-size:15px;color:var(--bk);margin:16px 0 8px}
    86. 

  86. .drug-detail .info-row{font-size:13px;color:var(--sub);margin:4px 0}
    87. 

  87. .drug-detail .section{background:var(--card);border-radius:8px;padding:12px;margin:8px 0;font-size:14px;line-height:1.8}
    88. 

  88. .search-box{padding:10px 14px;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}
    89. 

  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. 

  90. .search-box input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    91. 

  91. .status-bar{font-size:11px;padding:4px 14px;text-align:center;flex-shrink:0}
    92. 

  92. .hidden{display:none!important}
    93. 

  93. .pager{display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}
    94. 

  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. 

  95. .pager button:hover:not(:disabled){background:#E8EDF8;border-color:#002FA7;color:#002FA7}
    96. 

  96. .pager button.active{background:#002FA7;color:#fff;border-color:#002FA7;font-weight:600}
    97. 

  97. .pager button:disabled{opacity:.35;cursor:default}
    98. 

  98. .pager .page-info{font-size:12px;color:#888;margin:0 4px;white-space:nowrap}
    99. 

  99. .pager select{padding:6px 8px;appearance:auto}
    100. 

  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. 

  101. .clear-chat-btn:hover{background:rgba(255,255,255,.25)}
    102. 

  102. </style>
    103. 

  103. </head>
    104. 

  104. <body>
    105. 

  105. <div class="header">
    106. 

  106.   <h1>AI 药典助手</h1>
    107. 

  107.   <button class="clear-chat-btn" onclick="clearChat()" title="清除本地对话记录">🗑 清空对话</button>
    108. 

  108.   <div class="sub">基于《中华人民共和国药典》& 通义千问</div>
    109. 

  109. </div>
    110. 

  110. <div class="nav">
    111. 

  111.   <button class="nav-btn active" data-tab="chat" onclick="switchTab('chat')">AI 对话</button>
    112. 

  112.   <button class="nav-btn" data-tab="drugs" onclick="switchTab('drugs')">药品库</button>
    113. 

  113. </div>
    114. 

  114. <div id="tabChat">
    115. 

  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. 

  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. 

  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. 

  118.     <span id="previewLabel" style="font-size:13px;color:#666;font-weight:500"></span>
    119. 

  119.     <img id="previewThumb" style="max-width:80px;max-height:60px;border-radius:6px;display:none;border:1px solid #ddd">
    120. 

  120.     <video id="previewVid" style="max-width:150px;max-height:84px;border-radius:6px;display:none;border:1px solid #ddd" muted></video>
    121. 

  121.     <button class="btn btn-secondary" style="font-size:12px;padding:4px 12px;min-height:auto" onclick="clearMedia()">✕ 移除附件</button>
    122. 

  122.   </div>
    123. 

  123.   <div class="input-area">
    124. 

  124.     <button class="media-btn" onclick="document.getElementById('imageInput').click()" title="上传图片">📷<span class="media-label">图片</span></button>
    125. 

  125.     <button class="media-btn" onclick="document.getElementById('videoInput').click()" title="上传视频">🎬<span class="media-label">视频</span></button>
    126. 

  126.     <input type="file" id="imageInput" accept="image/*" onchange="onFilePicked('image')" style="display:none">
    127. 

  127.     <input type="file" id="videoInput" accept="video/*" onchange="onFilePicked('video')" style="display:none">
    128. 

  128.     <input id="userInput" placeholder="输入药品问题，或上传图片/视频...">
    129. 

  129.     <button class="btn btn-danger" id="sendBtn" onclick="send()">发送</button>
    130. 

  130.     <button class="btn btn-secondary" id="stopBtn" onclick="stopCurrent()" style="display:none">停止</button>
    131. 

  131.   </div>
    132. 

  132. </div>
    133. 

  133. <div id="tabDrugs" class="hidden">
    134. 

  134.   <div class="search-box"><input id="drugSearchInput" placeholder="搜索药品名称..." oninput="searchDrugs()"></div>
    135. 

  135.   <div class="drug-list" id="drugList"></div>
    136. 

  136.   <div class="drug-pager" id="drugPager"></div>
    137. 

  137. </div>
    138. 

  138. <script>
    139. 

  139. // ============================================================
    140. 

  140. // API 配置 —— 自动检测同主机 9000 端口
    141. 

  141. // ============================================================
    142. 

  142. // 走 nginx 反向代理，无需暴露 9000 端口
    143. 

  143. var API_BASE = '';
    144. 

  144. // 从外部系统读取 token（优先 URL 参数 → localStorage → cookie）
    145. 

  145. var TOKEN = (function(){
    146. 

  146.   var p = new URLSearchParams(window.location.search);
    147. 

  147.   var t = p.get('token') || localStorage.getItem('pharma_token') || '';
    148. 

  148.   if (t) localStorage.setItem('pharma_token', t);
    149. 

  149.   return t;
    150. 

  150. })();
    151. 

  151. 

  152. function authHeaders(){
    153. 

  153.   var h = {'Content-Type':'application/json'};
    154. 

  154.   if (TOKEN) h['Authorization'] = 'Bearer ' + TOKEN;
    155. 

  155.   return h;
    156. 

  156. }
    157. 

  157. 

  158. function classifyIntent(q){
    159. 

  159.   var t = q.trim();
    160. 

  160.   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';
    161. 

  161.   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';
    162. 

  162.   if (/凡例|通则/.test(t)) return 'regulation';
    163. 

  163.   if (/药师|考点|真题/.test(t)) return 'exam_tutor';
    164. 

  164.   return 'drug_query';
    165. 

  165. }
    166. 

  166. function intentLabel(i){
    167. 

  167.   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'};
    168. 

  168.   return m[i]||'综合查询';
    169. 

  169. }
    170. 

  170. function tagClass(i){
    171. 

  171.   var m = {drug_query:'tag-drug',usage_guide:'tag-usage',symptom_advice:'tag-symptom',regulation:'tag-regulation',exam_tutor:'tag-exam'};
    172. 

  172.   return m[i]||'tag-fallback';
    173. 

  173. }
    174. 

  174. 

  175. function esc(s){if(!s)return'';return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')}
    176. 

  176. function escAttr(s){if(!s)return'';return s.replace(/"/g,'&quot;').replace(/'/g,'&#39;')}
    177. 

  177. function md2html(h){
    178. 

  178.   if(!h)return'';h=esc(h);
    179. 

  179. // 保留图片标签不转义
    180. 

  180. h=h.replace(/&lt;img\s+src="(.+?)"\s*\/?&gt;/g,'<img src="$1" style="max-width:100%">');
    181. 

  181.   h=h.replace(/\*\*(.+?)\*\*/g,'<strong>$1</strong>');
    182. 

  182.   h=h.replace(/⚠️?\s*([^\n<]+)/g,'<span class="warn">$1</span>');
    183. 

  183.   h=h.replace(/\[([^\]]+)\]\((https?:\/\/[^\s<>)]+)\)/g,'<a href="$2" target="_blank" rel="noopener" class="ext-link">$1</a>');
    184. 

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

  185.   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)';
    186. 

  186.   h=h.replace(new RegExp('(?<![【])】\\s*('+s+')','g'),'【$1】');
    187. 

  187.   h=h.replace(new RegExp('(?<![【])('+s+')】','g'),'【$1】');
    188. 

  188.   h=h.replace(/(?<![<br>\n])【(.+?)】/g,'<br>【$1】');
    189. 

  189.   h=h.replace(/\n\n+/g,'</p><p>');h=h.replace(/\n/g,'<br>');
    190. 

  190.   // LLM prompts 产生的栏目标题（大标题样式）
    191. 

  191. 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';
    192. 

  192. var psRe=new RegExp('【('+PROMPT_SECTIONS+')】','g');
    193. 

  193. h=h.replace(/【(.+?)】/g,function(m,p1){
    194. 

  194.   if(psRe.test(m))return'<h3>【'+p1+'】</h3>';
    195. 

  195.   return'<h3 class="src-section">【'+p1+'】</h3>';
    196. 

  196. });
    197. 

  197. psRe.lastIndex=0;
    198. 

  198.   h=h.replace(/<br><h3>/g,'<h3>');h=h.replace(/<\/h3><br>/g,'</h3>');
    199. 

  199.   h=h.replace(/(?:<br>|^)[-*]\s+(.+?)(?=<br>|$)/g,'<li>$1</li>');
    200. 

  200.   h=h.replace(/((?:<li>.*?<\/li>)+)/g,'<ul>$1</ul>');
    201. 

  201.   h=h.replace(/(?:<br>|^)(\d+)\.\s+(.+?)(?=<br>|$)/g,'<li>$2</li>');
    202. 

  202.   h=h.replace(/((?:<li>.*?<\/li>)+)/g,function(m){return m.indexOf('<ul>')>=0?m:'<ol>'+m+'</ol>'});
    203. 

  203.   h='<p>'+h+'</p>';h=h.replace(/<p>(<br>)*<\/p>/g,'');h=h.replace(/<p><\/p>/g,'');
    204. 

  204.   h=h.replace(/(?<!href=")(?<!href=')(?<!">)(?<!'>)(https?:\/\/[^\s<>]+)/g,'<a href="$1" target="_blank" rel="noopener" class="ext-link">$1</a>');
    205. 

  205.   h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
    206. 

  206.   return h;
    207. 

  207. }
    208. 

  208. 

  209. var STREAMING=false,streamAbort=null,currentIntent='';
    210. 

  210. var pendingMedia=null;
    211. 

  211. 

  212. // ============================================================
    213. 

  213. // 本地对话持久化 (IndexedDB, 上限 256MB)
    214. 

  214. // ============================================================
    215. 

  215. var chatDB=null,chatDBTotalSize=0,chatDBMaxSize=256*1024*1024;
    216. 

  216. function openChatDB(){
    217. 

  217.   return new Promise(function(resolve,reject){
    218. 

  218.     var req=indexedDB.open('PharmaChat',1);
    219. 

  219.     req.onupgradeneeded=function(e){
    220. 

  220.       var db=e.target.result;
    221. 

  221.       if(!db.objectStoreNames.contains('messages')){db.createObjectStore('messages',{keyPath:'id',autoIncrement:true})}
    222. 

  222.     };
    223. 

  223.     req.onsuccess=function(e){chatDB=e.target.result;resolve()};
    224. 

  224.     req.onerror=function(e){reject(e.target.error)};
    225. 

  225.   });
    226. 

  226. }
    227. 

  227. function saveMsgToDB(msg){
    228. 

  228.   if(!chatDB)return;
    229. 

  229.   var tx=chatDB.transaction('messages','readwrite');
    230. 

  230.   var store=tx.objectStore('messages');
    231. 

  231.   store.add(msg);
    232. 

  232.   chatDBTotalSize+=new Blob([JSON.stringify(msg)]).size;
    233. 

  233.   pruneIfNeeded();
    234. 

  234. }
    235. 

  235. function pruneIfNeeded(){
    236. 

  236.   if(chatDBTotalSize<=chatDBMaxSize)return;
    237. 

  237.   var tx=chatDB.transaction('messages','readwrite');
    238. 

  238.   var store=tx.objectStore('messages');
    239. 

  239.   var req=store.openCursor();
    240. 

  240.   req.onsuccess=function(e){
    241. 

  241.     var cursor=e.target.result;
    242. 

  242.     if(cursor&&chatDBTotalSize>chatDBMaxSize*0.8){
    243. 

  243.       chatDBTotalSize-=new Blob([JSON.stringify(cursor.value)]).size;
    244. 

  244.       cursor.delete();
    245. 

  245.       cursor.continue();
    246. 

  246.     }
    247. 

  247.   };
    248. 

  248. }
    249. 

  249. function loadChatFromDB(){
    250. 

  250.   return new Promise(function(resolve){
    251. 

  251.     if(!chatDB){resolve([]);return}
    252. 

  252.     var tx=chatDB.transaction('messages','readonly');
    253. 

  253.     var store=tx.objectStore('messages');
    254. 

  254.     var req=store.getAll();
    255. 

  255.     req.onsuccess=function(){
    256. 

  256.       var msgs=req.result||[];
    257. 

  257.       chatDBTotalSize=0;
    258. 

  258.       for(var i=0;i<msgs.length;i++){chatDBTotalSize+=new Blob([JSON.stringify(msgs[i])]).size}
    259. 

  259.       resolve(msgs);
    260. 

  260.     };
    261. 

  261.     req.onerror=function(){resolve([])};
    262. 

  262.   });
    263. 

  263. }
    264. 

  264. window.clearChat=function(){
    265. 

  265.   if(!chatDB)return;
    266. 

  266.   if(!confirm('确定要清空所有本地对话记录吗？此操作不可撤销。'))return;
    267. 

  267.   var tx=chatDB.transaction('messages','readwrite');
    268. 

  268.   tx.objectStore('messages').clear();
    269. 

  269.   chatDBTotalSize=0;
    270. 

  270.   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>';
    271. 

  271. };
    272. 

  272. async function restoreChat(){
    273. 

  273.   var msgs=await loadChatFromDB();
    274. 

  274.   if(!msgs.length)return;
    275. 

  275.   var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
    276. 

  276.   for(var i=0;i<msgs.length;i++){
    277. 

  277.     var m=msgs[i],div=document.createElement('div');
    278. 

  278.     div.className='msg '+m.role;
    279. 

  279.     if(m.role==='user'){div.textContent=m.content}
    280. 

  280.     else{
    281. 

  281.       var tag=m.intent||'';
    282. 

  282.       var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
    283. 

  283.       div.innerHTML=tagHtml+'<div class="content">'+md2html(m.content)+'</div>';
    284. 

  284.     }
    285. 

  285.     document.getElementById('chat').appendChild(div);
    286. 

  286.   }
    287. 

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

  288. }
    289. 

  289. 

  290. function onFilePicked(type){
    291. 

  291.   var input=document.getElementById(type==='video'?'videoInput':'imageInput');
    292. 

  292.   var file=input.files[0];if(!file)return;
    293. 

  293.   if(type==='video'&&file.size>50*1024*1024){alert('视频不能超过50MB');input.value='';return}
    294. 

  294.   if(type==='image'&&file.size>7*1024*1024){alert('图片不能超过7MB');input.value='';return}
    295. 

  295.   var reader=new FileReader();
    296. 

  296.   reader.onload=function(e){
    297. 

  297.     var b64=e.target.result.split(',')[1];
    298. 

  298.     pendingMedia={type:type,base64:b64,mime:file.type||(type==='video'?'video/mp4':'image/jpeg'),name:file.name};
    299. 

  299.     var preview=document.getElementById('previewArea');preview.style.display='flex';
    300. 

  300.     document.getElementById('previewLabel').textContent=(type==='video'?'🎬 ':'📷 ')+file.name;
    301. 

  301.     if(type==='image'){
    302. 

  302.       document.getElementById('previewThumb').src=e.target.result;document.getElementById('previewThumb').style.display='block';
    303. 

  303.       document.getElementById('previewVid').style.display='none';
    304. 

  304.     }else{
    305. 

  305.       document.getElementById('previewVid').src=e.target.result;document.getElementById('previewVid').style.display='block';
    306. 

  306.       document.getElementById('previewThumb').style.display='none';
    307. 

  307.     }
    308. 

  308.     var inp=document.getElementById('userInput');
    309. 

  309.     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...';
    310. 

  310.   };
    311. 

  311.   reader.readAsDataURL(file);
    312. 

  312. }
    313. 

  313. function clearMedia(){
    314. 

  314.   pendingMedia=null;
    315. 

  315.   document.getElementById('previewArea').style.display='none';
    316. 

  316.   document.getElementById('imageInput').value='';
    317. 

  317.   document.getElementById('videoInput').value='';
    318. 

  318.   document.getElementById('previewThumb').style.display='none';
    319. 

  319.   document.getElementById('previewVid').style.display='none';
    320. 

  320.   document.getElementById('userInput').placeholder='输入药品问题...';
    321. 

  321. }
    322. 

  322. 

  323. function addMsg(role,text,streaming,intent){
    324. 

  324.   var chat=document.getElementById('chat'),div=document.createElement('div');
    325. 

  325.   div.className='msg '+role+(streaming?' streaming':'');
    326. 

  326.   if(role==='user'){div.textContent=text}else{
    327. 

  327.     var tag=intent||currentIntent||'';
    328. 

  328.     var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
    329. 

  329.     div.innerHTML=tagHtml+'<div class="content">'+(text?md2html(text):'')+(streaming?'<span class="cursor">|</span>':'')+'</div>';
    330. 

  330.   }
    331. 

  331.   chat.appendChild(div);chat.scrollTop=chat.scrollHeight;return div;
    332. 

  332. }
    333. 

  333. 

  334. async function streamAsk(query,media,aiDiv,contentDiv){
    335. 

  335.   var endpoint,body;
    336. 

  336.   if(media&&media.type==='image'){
    337. 

  337.     endpoint=API_BASE+'/api/v1/chat/stream-image';
    338. 

  338.     body=JSON.stringify({imageBase64:media.base64,mimeType:media.mime,message:query});
    339. 

  339.   }else if(media&&media.type==='video'){
    340. 

  340.     endpoint=API_BASE+'/api/v1/chat/stream-multimodal';
    341. 

  341.     body=JSON.stringify({mediaType:'video',mediaBase64:media.base64,mediaMime:media.mime,message:query});
    342. 

  342.   }else{
    343. 

  343.     endpoint=API_BASE+'/api/v1/chat/stream';
    344. 

  344.     body=JSON.stringify({message:query});
    345. 

  345.   }
    346. 

  346.   try{
    347. 

  347.     var ctrl=streamAbort?streamAbort:new AbortController();
    348. 

  348.     var r=await fetch(endpoint,{method:'POST',headers:authHeaders(),body:body,signal:ctrl.signal});
    349. 

  349.     if(!r.ok){contentDiv.innerHTML=md2html('请求失败: HTTP '+r.status);aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();return}
    350. 

  350.     sourcesData=[];
    351. 

  351.     var reader=r.body.getReader(),decoder=new TextDecoder(),buffer='',fullText='',eventType='';
    352. 

  352.     while(true){
    353. 

  353.       var{ done, value }=await reader.read();
    354. 

  354.       if(done)break;
    355. 

  355.       buffer+=decoder.decode(value,{stream:true});
    356. 

  356.       var lines=buffer.split('\n');buffer=lines.pop()||'';
    357. 

  357.       for(var i=0;i<lines.length;i++){
    358. 

  358.         var line=lines[i].trim();
    359. 

  359.         if(!line){eventType='';continue}
    360. 

  360.         if(line.startsWith('event:')){eventType=line.substring(6).trim();continue}
    361. 

  361.         if(line.startsWith('data:')){
    362. 

  362.           var data=line.substring(5).trim();
    363. 

  363.           if(data==='[DONE]')continue;
    364. 

  364.           if(eventType==='status'){
    365. 

  365.             contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> '+esc(data)+'</div>';
    366. 

  366.             document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    367. 

  367.             continue;
    368. 

  368.           }
    369. 

  369.           if(eventType==='intent'){currentIntent=data;var tagEl=aiDiv.querySelector('.tag');if(tagEl){tagEl.textContent=intentLabel(data);tagEl.className='tag '+tagClass(data)}continue}
    370. 

  370.           if(eventType==='meta'){
    371. 

  371.             try{var meta=JSON.parse(data);if(meta.sources&&meta.sources.length>0)sourcesData=meta.sources}catch(e){}
    372. 

  372.             continue;
    373. 

  373.           }
    374. 

  374.           fullText+=data;
    375. 

  375.           contentDiv.innerHTML=md2html(fullText)+'<span class="cursor">|</span>';
    376. 

  376.           document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    377. 

  377.           eventType='';
    378. 

  378.         }
    379. 

  379.       }
    380. 

  380.     }
    381. 

  381.     contentDiv.innerHTML=md2html(fullText)+buildSourceTags();var c=contentDiv.querySelector('.cursor');if(c)c.remove();
    382. 

  382.   }catch(e){
    383. 

  383.     if(e.name==='AbortError'){contentDiv.innerHTML=md2html(fullText+' <span style="color:var(--rd)">已停止</span>')+buildSourceTags();}
    384. 

  384.     else{contentDiv.innerHTML=md2html('连接失败: '+esc(e.message));}
    385. 

  385.   }
    386. 

  386.   aiDiv.classList.remove('streaming');STREAMING=false;streamAbort=null;resetSendBtn();
    387. 

  387.   document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    388. 

  388. }
    389. 

  389. 

  390. window.quickAsk=function(t){document.getElementById('userInput').value=t;send()};
    391. 

  391. function resetSendBtn(){document.getElementById('sendBtn').disabled=false;document.getElementById('stopBtn').style.display='none'}
    392. 

  392. window.stopCurrent=function(){STREAMING=false;if(streamAbort){streamAbort.abort();streamAbort=null}resetSendBtn()};
    393. 

  393. 

  394. window.send=function(){
    395. 

  395.   var input=document.getElementById('userInput'),text=input.value.trim();
    396. 

  396.   var hasMedia=!!pendingMedia;
    397. 

  397.   if(!text&&!hasMedia)return;input.value='';if(STREAMING)return;
    398. 

  398.   doSend(text,hasMedia?pendingMedia:null);
    399. 

  399. };
    400. 

  400. function doSend(text,media){
    401. 

  401.   STREAMING=true;streamAbort=new AbortController();
    402. 

  402.   document.getElementById('sendBtn').disabled=true;document.getElementById('stopBtn').style.display='inline-block';
    403. 

  403.   var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
    404. 

  404.   var userDisplay=text;
    405. 

  405.   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')))}
    406. 

  406.   addMsg('user',userDisplay);
    407. 

  407.   var query=text;
    408. 

  408.   if(media&&!text){query='请分析此'+(media.type==='video'?'视频':'图片')+'中的药品信息'}
    409. 

  409.   if(!query){query='请介绍一下自己'}
    410. 

  410.   if(media)pendingMedia=null;if(media)clearMedia();
    411. 

  411.   currentIntent=classifyIntent(query);
    412. 

  412.   var aiDiv=addMsg('ai','',true,currentIntent),contentDiv=aiDiv.querySelector('.content');
    413. 

  413.   contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> 检索中...</div>';
    414. 

  414.   streamAsk(query,media,aiDiv,contentDiv);
    415. 

  415. }
    416. 

  416. 

  417. function buildSourceTags(){
    418. 

  418.   if(!sourcesData||!sourcesData.length)return'';
    419. 

  419.   // 按药名分组
    420. 

  420.   var groups={},order=[];
    421. 

  421.   for(var i=0;i<sourcesData.length;i++){
    422. 

  422.     var s=sourcesData[i];
    423. 

  423.     if(!s.section||s.section==='正文')continue;
    424. 

  424.     var name=s.name||'未知';
    425. 

  425.     var ver=s.source||s.category||'';
    426. 

  426.     var gkey=name+'|'+ver;
    427. 

  427.     if(!groups[gkey]){groups[gkey]={sections:[],seen:new Set(),name:name,source:ver,drugId:s.drug_id||''};order.push(gkey);}
    428. 

  428.     var key=s.section;
    429. 

  429.     if(!groups[gkey].seen.has(key)){
    430. 

  430.       groups[gkey].seen.add(key);
    431. 

  431.       var excerpt=(s.excerpt||'').replace(/【.+?】/g,'').replace(/来源：.*$/gm,'').trim();
    432. 

  432.       var showExcerpt=excerpt.length>400?excerpt.substring(0,400)+'...':excerpt;
    433. 

  433.       groups[gkey].sections.push({section:key,excerpt:showExcerpt});
    434. 

  434.     }
    435. 

  435.   }
    436. 

  436.   if(!order.length)return'';
    437. 

  437.   var h='<div class="source-tags">';
    438. 

  438.   for(var g=0;g<order.length;g++){
    439. 

  439.     var dn=order[g],grp=groups[dn],cnt=grp.sections.length;
    440. 

  440.     h+='<div style="margin-bottom:10px">';
    441. 

  441.     h+='<div class="src-title">📖 '+esc(dn)+' · '+esc(grp.source)+' （'+cnt+'个栏目）';
    442. 

  442.     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>';
    443. 

  443.     for(var s=0;s<grp.sections.length;s++){
    444. 

  444.       var sec=grp.sections[s];
    445. 

  445.       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>';
    446. 

  446.     }
    447. 

  447.     h+='</div>';
    448. 

  448.   }
    449. 

  449.   h+='</div>';
    450. 

  450.   return h;
    451. 

  451. }
    452. 

  452. 

  453. window.loadDrugDetailBySrc=async function(drugName){
    454. 

  454.   try{
    455. 

  455.     var r=await fetch(API_BASE+'/api/v1/drug/search?keyword='+encodeURIComponent(drugName)+'&page_size=10',{headers:authHeaders()});
    456. 

  456.     var d=await r.json();var items=d.items||d.data||[];
    457. 

  457.     // 2025年版优先，再精确匹配
    458. 

  458.     items.sort(function(a,b){
    459. 

  459.       var va=a.source_version||'', vb=b.source_version||'';
    460. 

  460.       if(va==='2025年版' && vb!=='2025年版') return -1;
    461. 

  461.       if(vb==='2025年版' && va!=='2025年版') return 1;
    462. 

  462.       return (a.name===drugName?-1:0) - (b.name===drugName?-1:0);
    463. 

  463.     });
    464. 

  464.     if(items.length>0){loadDrugDetail(items[0].drug_id)}
    465. 

  465.     else{alert('未找到药品: '+drugName)}
    466. 

  466.   }catch(e){}
    467. 

  467. };
    468. 

  468. 

  469. // 药品库
    470. 

  470. var ALL_DRUGS=[],drugPage=1,drugTotalPages=1,drugPageSize=20,drugKeyword='';
    471. 

  471. async function loadDrugList(page){
    472. 

  472.   page=page||1;drugPage=page;
    473. 

  473.   var url=API_BASE+'/api/v1/drug/search?page='+page+'&page_size='+drugPageSize;
    474. 

  474.   if(drugKeyword) url+='&keyword='+encodeURIComponent(drugKeyword);
    475. 

  475.   try{var r=await fetch(url,{headers:authHeaders()});var d=await r.json();
    476. 

  476.     ALL_DRUGS=d.items||d.data||[];drugTotalPages=d.total_pages||1;
    477. 

  477.     renderDrugCards(ALL_DRUGS);
    478. 

  478.   }catch(e){ALL_DRUGS=[];renderDrugCards([])}
    479. 

  479. }
    480. 

  480. window.searchDrugs=function(){
    481. 

  481.   drugKeyword=(document.getElementById('drugSearchInput').value||'').trim();
    482. 

  482.   loadDrugList(1);
    483. 

  483.   return false;
    484. 

  484. };
    485. 

  485. function renderDrugCards(items){
    486. 

  486.   var h='';
    487. 

  487.   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}
    488. 

  488.   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>'}
    489. 

  489.   document.getElementById('drugList').innerHTML=h;
    490. 

  490.   renderPager();
    491. 

  491. }
    492. 

  492. function renderPager(){
    493. 

  493.   var h='<div class="pager">';
    494. 

  494.   h+='<button onclick="loadDrugList(1)" '+(drugPage<=1?'disabled':'')+'>首页</button>';
    495. 

  495.   h+='<button onclick="loadDrugList('+(drugPage-1)+')" '+(drugPage<=1?'disabled':'')+'>‹</button>';
    496. 

  496.   var start=Math.max(1,drugPage-2),end=Math.min(drugTotalPages,drugPage+2);
    497. 

  497.   for(var p=start;p<=end;p++){
    498. 

  498.     h+='<button class="'+(p===drugPage?'active':'')+'" onclick="loadDrugList('+p+')">'+p+'</button>';
    499. 

  499.   }
    500. 

  500.   h+='<button onclick="loadDrugList('+(drugPage+1)+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>›</button>';
    501. 

  501.   h+='<button onclick="loadDrugList('+drugTotalPages+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>末页</button>';
    502. 

  502.   h+='<span class="page-info">共 '+drugTotalPages+' 页</span>';
    503. 

  503.   h+='<span class="page-info">跳至</span>';
    504. 

  504.   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">';
    505. 

  505.   h+='<span class="page-info">页</span>';
    506. 

  506.   h+='<select onchange="drugPageSize=parseInt(this.value);loadDrugList(1)">';
    507. 

  507.   [10,20,50,100].forEach(function(s){h+='<option value="'+s+'"'+(drugPageSize===s?' selected':'')+'>'+s+' 条/页</option>'});
    508. 

  508.   h+='</select>';
    509. 

  509.   h+='</div>';
    510. 

  510.   document.getElementById('drugPager').innerHTML=h;
    511. 

  511. }
    512. 

  512. window.loadDrugDetail=async function(drugId){
    513. 

  513.   try{
    514. 

  514.     var r=await fetch(API_BASE+'/api/v1/drug/'+encodeURIComponent(drugId),{headers:authHeaders()});
    515. 

  515.     var d=await r.json();var drug=d.data||d;
    516. 

  516.     var dd=document.getElementById('tabDrugs');
    517. 

  517.     var topBar='<div style="display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e0e0e0">';
    518. 

  518.     topBar+='<button onclick="showDrugList()" class="btn btn-secondary" style="padding:4px 12px;min-height:auto;font-size:12px">← 返回列表</button>';
    519. 

  519.     topBar+='<span style="font-size:13px;color:var(--sub)">药品详情</span></div>';
    520. 

  520.     var h='<div class="drug-detail">'+topBar;
    521. 

  521.     h+='<h2>'+esc(drug.name||'')+'</h2>';
    522. 

  522.     h+='<div class="info-row">'+(drug.pinyin||'')+' '+(drug.name_en||'')+'</div>';
    523. 

  523.     h+='<div class="info-row">分类: '+(drug.category||'')+(drug.subcategory?' · '+drug.subcategory:'')+'</div>';
    524. 

  524.     h+='<div class="info-row">来源: '+(drug.source_version||'')+' '+(drug.source_volume||'')+(drug.source_page?' P'+drug.source_page:'')+'</div>';
    525. 

  525.     if(drug.sections&&typeof drug.sections==='object'){var keys=Object.keys(drug.sections);
    526. 

  526.       // 快速导航
    527. 

  527.       h+='<div style="margin:14px 0;padding:10px 12px;background:#f8f9fc;border-radius:8px;font-size:12px;line-height:2">';
    528. 

  528.       h+='<span style="color:var(--sub);font-weight:600">快速跳转：</span>';
    529. 

  529.       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>'}
    530. 

  530.       h+='</div>';
    531. 

  531.       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>'}}
    532. 

  532.     var bottomBar='<div style="display:flex;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid #e0e0e0">';
    533. 

  533.     bottomBar+='<button class="btn btn-secondary" onclick="showDrugList()" style="flex:1">← 返回列表</button>';
    534. 

  534.     bottomBar+='<button class="btn btn-secondary" onclick="switchTab(\'chat\')" style="flex:1">💬 返回对话</button>';
    535. 

  535.     bottomBar+='<button class="btn btn-primary" onclick="switchTab(\'chat\');quickAsk(\''+escAttr(drug.name)+'\')" style="flex:1">💊 询问此药</button>';
    536. 

  536.     bottomBar+='</div>';
    537. 

  537.     h+=bottomBar+'</div>';
    538. 

  538.     dd.innerHTML=h;
    539. 

  539.   }catch(e){document.getElementById('tabDrugs').innerHTML='<div class="welcome"><p>加载失败</p></div>'}
    540. 

  540. };
    541. 

  541. window.showDrugList=function(){
    542. 

  542.   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>';
    543. 

  543.   renderDrugCards(ALL_DRUGS);
    544. 

  544. };
    545. 

  545. window.switchTab=function(tab){
    546. 

  546.   document.querySelectorAll('.nav-btn').forEach(function(b){b.classList.toggle('active',b.dataset.tab===tab)});
    547. 

  547.   document.getElementById('tabChat').classList.toggle('hidden',tab!=='chat');
    548. 

  548.   document.getElementById('tabDrugs').classList.toggle('hidden',tab!=='drugs');
    549. 

  549.   if(tab==='drugs'){drugKeyword='';drugPage=1;document.getElementById('drugList').innerHTML='<div class="welcome"><div class="icon">⏳</div><p>加载中...</p></div>';document.getElementById('drugPager').innerHTML='';loadDrugList(1)}
    550. 

  550. };
    551. 

  551. loadDrugList();
    552. 

  552. </script>
    553. 

  553. </body>
    554. 

  554. </html>
    555.