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AIyaodianzhushou
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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{--app-height:100vh;--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.     html{width:100%;height:100%;overflow:hidden}
    11. 

  11.     body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);width:100%;height:var(--app-height);min-height:100%;display:flex;flex-direction:column;overflow:hidden}
    12. 

  12.     .header{background:linear-gradient(135deg,var(--bk),#1a3fbf);color:#fff;padding:8px 14px;display:flex;align-items:center;gap:12px;flex-shrink:0;position:relative;z-index:10}
    13. 

  13.     
    14. 

  14.     .header .header-title{font-size:16px;font-weight:800;white-space:nowrap;flex-shrink:0}.header .header-desc{font-size:10px;opacity:.85;line-height:1.5;text-align:left}
    15. 

  15.     .nav{display:flex;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;z-index:10}
    16. 

  16.     .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}
    17. 

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

  18.     .chat{flex:1;min-height:0;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:12px;-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior-y:contain}
    19. 

  19.         #tabChat,#tabDrugs{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
    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.     .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}
    35. 

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

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

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

  38.     .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}
    39. 

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

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

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

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

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

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

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

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

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

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

  49.     .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}
    50. 

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

  51.     .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)}
    52. 

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

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

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

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

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

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

  58.     .brand-recs{margin-top:12px;padding-top:10px;border-top:1px dashed #e0c080}
    59. 

  59.     .brand-recs-title{font-size:12px;color:#b8860b;margin-bottom:8px;font-weight:600}
    60. 

  60.     .brand-card{display:block;background:linear-gradient(135deg,#fffdf5,#fff8e1);border:1px solid #f0d060;border-radius:10px;padding:12px 14px;margin-bottom:8px;text-decoration:none;transition:all .2s;cursor:pointer}
    61. 

  61.     .brand-card:hover{background:linear-gradient(135deg,#fff8e1,#fff3c4);border-color:#d4a017;box-shadow:0 2px 8px rgba(180,130,20,.12);transform:translateY(-1px)}
    62. 

  62.     .brand-card-name{font-size:14px;font-weight:700;color:#8b6914;margin-bottom:4px}
    63. 

  63.     .brand-card-desc{font-size:12px;color:#999074;line-height:1.5}
    64. 

  64.     .brand-card-arrow{float:right;font-size:13px;color:#c4a035;margin-left:8px}
    65. 

  65.     .brand-more-btn{display:block;width:100%;padding:8px;margin-top:6px;background:#fffdf5;border:1px dashed #e0c080;border-radius:8px;font-size:12px;color:#b8860b;cursor:pointer;text-align:center;transition:all .15s}
    66. 

  66.     .brand-more-btn:hover{background:#fff8e1;border-color:#d4a017}
    67. 

  67.     .brand-detail-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}
    68. 

  68.     .brand-detail-box{background:#fff;border-radius:14px;max-width:420px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.18)}
    69. 

  69.     .brand-detail-header{position:sticky;top:0;background:#fff;padding:16px 18px 10px;border-bottom:1px solid #eee;z-index:1}
    70. 

  70.     .brand-detail-header h2{font-size:17px;color:var(--bk);margin:0 0 4px}
    71. 

  71.     .brand-detail-header .bd-close{float:right;font-size:22px;color:#aaa;cursor:pointer;line-height:1;padding:0 4px;background:none;border:none}
    72. 

  72.     .brand-detail-body{padding:14px 18px 20px}
    73. 

  73.     .brand-detail-body .bd-field{margin-bottom:14px}
    74. 

  74.     .brand-detail-body .bd-label{font-size:12px;color:var(--sub);margin-bottom:4px;font-weight:600}
    75. 

  75.     .brand-detail-body .bd-value{font-size:14px;color:var(--text);line-height:1.7;word-break:break-word}
    76. 

  76.     .brand-detail-body .bd-link{font-size:13px;color:var(--bk);text-decoration:underline;cursor:pointer}
    77. 

  77.     .brand-detail-body .bd-link:hover{color:var(--rd)}
    78. 

  78.     .input-area{display:flex;padding:10px 14px;background:#fff;border-top:1px solid #e0e0e0;gap:8px;flex-shrink:0;z-index:10}
    79. 

  79.         #previewArea{flex-shrink:0}
    80. 

  80.     .input-area input{flex:1;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
    81. 

  81.     .input-area input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    82. 

  82.     .btn{padding:8px 18px;border:none;border-radius:24px;font-size:14px;font-weight:700;cursor:pointer;min-height:44px;white-space:nowrap}
    83. 

  83.     .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)}
    84. 

  84.     .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)}
    85. 

  85.     .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)}
    86. 

  86.     .btn:disabled{opacity:.4;cursor:default}
    87. 

  87.     .media-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bk-l);color:var(--bk);border:2px solid var(--bk);border-radius:50%;font-size:28px;font-weight:700;cursor:pointer;flex-shrink:0;-webkit-user-select:none;user-select:none;transition:all .15s;line-height:1}
    88. 

  88.     .media-btn:hover{background:var(--bk);color:#fff;transform:scale(1.05)}
    89. 

  89.     .media-btn:active{transform:scale(.96)}
    90. 

  90.     
    91. 

  91.     
    92. 

  92.     .tags{display:flex;gap:6px;padding:6px 14px 10px;flex-wrap:wrap;flex-shrink:0}
    93. 

  93.     .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}
    94. 

  94.     .tag-btn:active{background:rgba(0,47,167,.15)}
    95. 

  95.     .welcome{text-align:center;color:var(--sub);padding:40px 20px}
    96. 

  96.     .welcome .icon{font-size:48px;margin-bottom:12px}
    97. 

  97.     .drug-list{flex:1;overflow-y:auto;padding:12px 14px;min-height:0;-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior-y:contain}
    98. 

  98.     .drug-pager{flex-shrink:0;padding:8px 14px;background:#fff;border-top:1px solid #e0e0e0}
    99. 

  99.     .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}
    100. 

  100.     .drug-card h3{font-size:15px;color:var(--bk);margin-bottom:4px}
    101. 

  101.     .drug-card .meta{font-size:12px;color:var(--sub)}
    102. 

  102.     .drug-detail{padding:16px 14px;flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior-y:contain}
    103. 

  103.     .drug-detail h2{font-size:20px;color:var(--bk);margin-bottom:8px}
    104. 

  104.     .drug-detail h3{font-size:15px;color:var(--bk);margin:16px 0 8px}
    105. 

  105.     .drug-detail .info-row{font-size:13px;color:var(--sub);margin:4px 0}
    106. 

  106.     .drug-detail .section{background:var(--card);border-radius:8px;padding:12px;margin:8px 0;font-size:14px;line-height:1.8}
    107. 

  107.     .search-box{padding:10px 14px;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}
    108. 

  108.     .search-box input{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:24px;font-size:14px;outline:none;min-height:44px}
    109. 

  109.     .search-box input:focus{border-color:var(--bk);box-shadow:0 0 0 2px rgba(0,47,167,.12)}
    110. 

  110.     .status-bar{font-size:11px;padding:4px 14px;text-align:center;flex-shrink:0}
    111. 

  111.     .hidden{display:none!important}
    112. 

  112.     .pager{display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}
    113. 

  113.     .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}
    114. 

  114.     .pager button:hover:not(:disabled){background:#E8EDF8;border-color:#002FA7;color:#002FA7}
    115. 

  115.     .pager button.active{background:#002FA7;color:#fff;border-color:#002FA7;font-weight:600}
    116. 

  116.     .pager button:disabled{opacity:.35;cursor:default}
    117. 

  117.     .pager .page-info{font-size:12px;color:#888;margin:0 4px;white-space:nowrap}
    118. 

  118.     .pager select{padding:6px 8px;appearance:auto}
    119. 

  119.     .login-modal-mask{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(0,0,0,.5);z-index:100}
    120. 

  120.     .login-modal{width:min(320px,100%);overflow:hidden;border-radius:12px;background:#fff;box-shadow:0 12px 36px rgba(0,0,0,.2);text-align:center}
    121. 

  121.     .login-modal-title{padding:24px 24px 8px;color:var(--text);font-size:17px;font-weight:700}
    122. 

  122.     .login-modal-desc{padding:0 24px 24px;color:var(--sub);font-size:14px;line-height:1.6}
    123. 

  123.     .login-modal-actions{display:flex;border-top:1px solid #eee}
    124. 

  124.     .login-modal-btn{flex:1;min-height:50px;border:0;background:#fff;color:var(--text);font-size:16px;cursor:pointer}
    125. 

  125.     .login-modal-btn+.login-modal-btn{border-left:1px solid #eee}
    126. 

  126.     .login-modal-btn:focus-visible{outline:2px solid var(--bk);outline-offset:-3px}
    127. 

  127.     .login-modal-btn-primary{color:var(--bk);font-weight:600}
    128. 

  128. @media(max-width:400px){.input-area{padding:8px 6px;gap:4px}.input-area input{padding:8px 10px;font-size:13px;min-height:40px}.btn{padding:6px 10px;font-size:12px;min-height:40px}.media-btn{width:36px;height:36px;font-size:24px}.tags{padding:6px 8px 8px;gap:4px}.tag-btn{font-size:11px;padding:4px 10px}.chat{padding:10px 8px}.msg{max-width:90%}.header h1{font-size:15px}.header .header-title{font-weight:700}.header .sub{font-size:10px}.drug-list{padding:10px 8px}.drug-detail{padding:14px 10px}.search-box{padding:8px 10px}.drug-pager{padding:6px 8px}.pager button,.pager select{padding:4px 6px;font-size:11px}}
    129. 

  129.   </style>
    130. 

  130. </head>
    131. 

  131. <body>
    132. 

  132. <div class="header">
    133. 

  133.   <div class="header-title">AI药典温馨提示</div>
    134. 

  134.   <div class="header-desc">内容基于最新版《中华药典》& 通义千问生成<br>仅供学习参考，不构成处方和用药建议</div>
    135. 

  135. </div>
    136. 

  136. <div class="nav">
    137. 

  137.   <button class="nav-btn active" data-tab="chat" onclick="switchTab('chat')">AI 对话</button>
    138. 

  138.   <button class="nav-btn" data-tab="drugs" onclick="switchTab('drugs')">2025中华药典</button>
    139. 

  139. </div>
    140. 

  140. <div id="tabChat">
    141. 

  141.   <div class="chat" id="chat"><div class="welcome"><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">支持图片上传识别</small></p></div></div>
    142. 

  142.   <div class="tags" id="quickTags"></div>
    143. 

  143.   <div id="previewArea" style="display:none;padding:8px 14px;background:#fffef5;border-top:1px solid #f0e68c;align-items:center;gap:10px;flex-wrap:wrap">
    144. 

  144.     <span id="previewLabel" style="font-size:13px;color:#666;font-weight:500"></span>
    145. 

  145.     <img id="previewThumb" style="max-width:80px;max-height:60px;border-radius:6px;display:none;border:1px solid #ddd">
    146. 

  146.     
    147. 

  147.     <button class="btn btn-secondary" style="font-size:12px;padding:4px 12px;min-height:auto" onclick="clearMedia()">✕ 移除附件</button>
    148. 

  148.   </div>
    149. 

  149.   <div class="input-area">
    150. 

  150.     <input type="file" id="imageInput" accept="image/*" onchange="onFilePicked('image')" style="display:none">
    151. 

  151.     <input id="userInput" placeholder="输入药品问题，或上传图片...">
    152. 

  152.     <button class="btn btn-danger" id="sendBtn" onclick="send()">发送</button>
    153. 

  153.     <span style="display:flex;flex-direction:column;align-items:center;gap:2px;flex-shrink:0;cursor:pointer" onclick="document.getElementById('imageInput').click()"><button class="media-btn" type="button">+</button></span>
    154. 

  154.     <button class="btn btn-secondary" id="stopBtn" onclick="stopCurrent()" style="display:none">停止</button>
    155. 

  155.   </div>
    156. 

  156. </div>
    157. 

  157. <div id="tabDrugs" class="hidden">
    158. 

  158.   <div class="search-box"><input id="drugSearchInput" placeholder="搜索药品名称..." oninput="searchDrugs()"></div>
    159. 

  159.   <div class="drug-list" id="drugList"></div>
    160. 

  160.   <div class="drug-pager" id="drugPager"></div>
    161. 

  161. </div>
    162. 

  162. <div id="loginModal" class="login-modal-mask hidden" role="dialog" aria-modal="true" aria-labelledby="loginModalTitle" aria-describedby="loginModalDesc" onclick="if(event.target===this)closeLoginModal()">
    163. 

  163.   <div class="login-modal">
    164. 

  164.     <div class="login-modal-title" id="loginModalTitle">温馨提示</div>
    165. 

  165.     <div class="login-modal-desc" id="loginModalDesc">发送消息前请先登录</div>
    166. 

  166.     <div class="login-modal-actions">
    167. 

  167.       <button class="login-modal-btn" type="button" onclick="closeLoginModal()">取消</button>
    168. 

  168.       <button class="login-modal-btn login-modal-btn-primary" id="loginConfirmBtn" type="button" onclick="goToLogin()">去登录</button>
    169. 

  169.     </div>
    170. 

  170.   </div>
    171. 

  171. </div>
    172. 

  172. <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
    173. 

  173. <script>
    174. 

  174.   // ============================================================
    175. 

  175.   // API 配置 —— 自动检测同主机 9000 端口
    176. 

  176.   // ============================================================
    177. 

  177.   // 走 nginx 反向代理，无需暴露 9000 端口
    178. 

  178.   var API_BASE = '';
    179. 

  179.   // Token 仅从外部系统通过 URL 参数 ?token=xxx 传入，不持久化存储
    180. 

  180.   // 退出页面即失效，重新进入必须再次通过 URL 传入
    181. 

  181.   var TOKEN = (function(){
    182. 

  182.     var p = new URLSearchParams(window.location.search);
    183. 

  183.     var t = p.get('token') || '';
    184. 

  184.     // 兼容外部系统可能传入额外前缀或引号的情况
    185. 

  185.     t = t.replace(/^["']+/, '').replace(/["']+$/, ''); // 去掉首尾引号
    186. 

  186.     if (t.startsWith('Bearer ')) t = t.substring(7);     // 去掉多余 Bearer 前缀
    187. 

  187.     return t;
    188. 

  188.   })();
    189. 

  189. 

  190.   function syncAppHeight(){
    191. 

  191.     var layoutHeight=window.innerHeight||0;
    192. 

  192.     var visualHeight=window.visualViewport&&window.visualViewport.height
    193. 

  193.       ? window.visualViewport.height
    194. 

  194.       : 0;
    195. 

  195.     var viewportHeight=layoutHeight&&visualHeight
    196. 

  196.       ? Math.min(layoutHeight,visualHeight)
    197. 

  197.       : (layoutHeight||visualHeight);
    198. 

  198.     if(viewportHeight){
    199. 

  199.       document.documentElement.style.setProperty('--app-height',Math.round(viewportHeight)+'px');
    200. 

  200.     }
    201. 

  201.   }
    202. 

  202.   syncAppHeight();
    203. 

  203.   window.addEventListener('resize',syncAppHeight);
    204. 

  204.   window.addEventListener('orientationchange',syncAppHeight);
    205. 

  205.   if(window.visualViewport){
    206. 

  206.     window.visualViewport.addEventListener('resize',syncAppHeight);
    207. 

  207.   }
    208. 

  208. 

  209.   // ============================================================
    210. 

  210.   // 用户行为埋点（fire-and-forget，不影响主流程）
    211. 

  211.   // ============================================================
    212. 

  212.   function track(type, data){
    213. 

  213.     var merged = data || {};
    214. 

  214.     merged.source = 'ai_pharmacopoeia';
    215. 

  215.     var payload = {event_type: type, event_data: merged, page_url: window.location.href};
    216. 

  216.     var h = {'Content-Type': 'application/json'};
    217. 

  217.     if (TOKEN) h['Authorization'] = 'Bearer ' + TOKEN;
    218. 

  218.     try {
    219. 

  219.       fetch(API_BASE + '/api/v1/analytics/events', {
    220. 

  220.         method: 'POST', headers: h, body: JSON.stringify(payload), keepalive: true
    221. 

  221.       }).then(function(r){
    222. 

  222.       }).catch(function(e){ console.error('[track] error', e); });
    223. 

  223.     } catch(e) { console.error('[track] exception', e); }
    224. 

  224.   }
    225. 

  225. 

  226.   // 自动埋点所有 fetch 调用
    227. 

  227.   (function(){
    228. 

  228.     var _fetch = window.fetch;
    229. 

  229.     window.fetch = function(url, opts){
    230. 

  230.       var t0 = Date.now();
    231. 

  231.       var isTracked = (typeof url === 'string') && url.indexOf(API_BASE + '/api/v1/') === 0
    232. 

  232.                    && url.indexOf('/analytics/events') === -1;
    233. 

  233.       var trackUrl = typeof url === 'string' ? url.replace(API_BASE, '') : '';
    234. 

  234.       var method = (opts && opts.method) || 'GET';
    235. 

  235.       return _fetch.apply(this, arguments).then(function(r){
    236. 

  236.         if (isTracked) {
    237. 

  237.           track('api_call', {
    238. 

  238.             url: trackUrl,
    239. 

  239.             method: method,
    240. 

  240.             status: r.status,
    241. 

  241.             elapsed_ms: Date.now() - t0
    242. 

  242.           });
    243. 

  243.         }
    244. 

  244.         return r;
    245. 

  245.       }).catch(function(e){
    246. 

  246.         if (isTracked) {
    247. 

  247.           track('api_call', {
    248. 

  248.             url: trackUrl,
    249. 

  249.             method: method,
    250. 

  250.             status: 0,
    251. 

  251.             elapsed_ms: Date.now() - t0,
    252. 

  252.             error: e.message || 'network_error'
    253. 

  253.           });
    254. 

  254.         }
    255. 

  255.         throw e;
    256. 

  256.       });
    257. 

  257.     };
    258. 

  258.   })();
    259. 

  259. 

  260.   function authHeaders(){
    261. 

  261.     var h = {'Content-Type':'application/json'};
    262. 

  262.     if (TOKEN) h['Authorization'] = 'Bearer ' + TOKEN;
    263. 

  263.     return h;
    264. 

  264.   }
    265. 

  265. 

  266.   function classifyIntent(q){
    267. 

  267.     var t = q.trim();
    268. 

  268.     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';
    269. 

  269.     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';
    270. 

  270.     if (/凡例|通则/.test(t)) return 'regulation';
    271. 

  271.     if (/药师|考点|真题/.test(t)) return 'exam_tutor';
    272. 

  272.     return 'drug_query';
    273. 

  273.   }
    274. 

  274.   function intentLabel(i){
    275. 

  275.     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'};
    276. 

  276.     return m[i]||'综合查询';
    277. 

  277.   }
    278. 

  278.   function tagClass(i){
    279. 

  279.     var m = {drug_query:'tag-drug',usage_guide:'tag-usage',symptom_advice:'tag-symptom',regulation:'tag-regulation',exam_tutor:'tag-exam'};
    280. 

  280.     return m[i]||'tag-fallback';
    281. 

  281.   }
    282. 

  282. 

  283.   function esc(s){if(!s)return'';return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')}
    284. 

  284.   function escAttr(s){if(!s)return'';return s.replace(/"/g,'&quot;').replace(/'/g,'&#39;')}
    285. 

  285.   function md2html(h){
    286. 

  286.     if(!h)return'';h=esc(h);
    287. 

  287.   // 保留图片标签不转义
    288. 

  288.   h=h.replace(/&lt;img\s+src="(.+?)"[^>]*\/?&gt;/g,'<img src="$1" style="max-width:100%">');
    289. 

  289.     h=h.replace(/\*\*(.+?)\*\*/g,'<strong>$1</strong>');
    290. 

  290.     h=h.replace(/⚠️?\s*([^\n<]+)/g,'<span class="warn">$1</span>');
    291. 

  291.     h=h.replace(/\[([^\]]+)\]\((https?:\/\/[^\s<>)]+)\)/g,'<a href="$2" target="_blank" rel="noopener" class="ext-link">$1</a>');
    292. 

  292.     h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
    293. 

  293.     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)';
    294. 

  294.     h=h.replace(new RegExp('(?<![【])】\\s*('+s+')','g'),'【$1】');
    295. 

  295.     h=h.replace(new RegExp('(?<![【])('+s+')】','g'),'【$1】');
    296. 

  296.     h=h.replace(/(?<![<br>\n])【(.+?)】/g,'<br>【$1】');
    297. 

  297.     h=h.replace(/\n\n+/g,'</p><p>');h=h.replace(/\n/g,'<br>');
    298. 

  298.     // LLM prompts 产生的栏目标题（大标题样式）
    299. 

  299.   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';
    300. 

  300.   var psRe=new RegExp('【('+PROMPT_SECTIONS+')】','g');
    301. 

  301.   h=h.replace(/【(.+?)】/g,function(m,p1){
    302. 

  302.     if(psRe.test(m))return'<h3>【'+p1+'】</h3>';
    303. 

  303.     return'<h3 class="src-section">【'+p1+'】</h3>';
    304. 

  304.   });
    305. 

  305.   psRe.lastIndex=0;
    306. 

  306.     h=h.replace(/<br><h3>/g,'<h3>');h=h.replace(/<\/h3><br>/g,'</h3>');
    307. 

  307.     h=h.replace(/(?:<br>|^)[-*]\s+(.+?)(?=<br>|$)/g,'<li>$1</li>');
    308. 

  308.     h=h.replace(/((?:<li>.*?<\/li>)+)/g,'<ul>$1</ul>');
    309. 

  309.     h=h.replace(/(?:<br>|^)(\d+)\.\s+(.+?)(?=<br>|$)/g,'<li>$2</li>');
    310. 

  310.     h=h.replace(/((?:<li>.*?<\/li>)+)/g,function(m){return m.indexOf('<ul>')>=0?m:'<ol>'+m+'</ol>'});
    311. 

  311.     h='<p>'+h+'</p>';h=h.replace(/<p>(<br>)*<\/p>/g,'');h=h.replace(/<p><\/p>/g,'');
    312. 

  312.     h=h.replace(/(?<!href=")(?<!href=')(?<!">)(?<!'>)(https?:\/\/[^\s<>]+)/g,'<a href="$1" target="_blank" rel="noopener" class="ext-link">$1</a>');
    313. 

  313.     h=h.replace(/——— 原文参考 ———/g,"<h3>📖 原文参考</h3>");
    314. 

  314.     return h;
    315. 

  315.   }
    316. 

  316. 

  317.   var STREAMING=false,streamAbort=null,currentIntent='';
    318. 

  318.   var sourcesData=[],brandRecsData=[];
    319. 

  319.   var pendingMedia=null;
    320. 

  320. 

  321.   // ============================================================
    322. 

  322.   // 本地对话持久化 (IndexedDB, 上限 256MB)
    323. 

  323.   // ============================================================
    324. 

  324.   var chatDB=null,chatDBTotalSize=0,chatDBMaxSize=128*1024*1024,chatDBMaxCount=500;
    325. 

  325.   function openChatDB(){
    326. 

  326.     return new Promise(function(resolve,reject){
    327. 

  327.       var req=indexedDB.open('PharmaChat',1);
    328. 

  328.       req.onupgradeneeded=function(e){
    329. 

  329.         var db=e.target.result;
    330. 

  330.         if(!db.objectStoreNames.contains('messages')){db.createObjectStore('messages',{keyPath:'id',autoIncrement:true})}
    331. 

  331.       };
    332. 

  332.       req.onsuccess=function(e){chatDB=e.target.result;resolve()};
    333. 

  333.       req.onerror=function(e){reject(e.target.error)};
    334. 

  334.     });
    335. 

  335.   }
    336. 

  336.   function saveMsgToDB(msg){
    337. 

  337.     if(!chatDB)return;
    338. 

  338.     var tx=chatDB.transaction('messages','readwrite');
    339. 

  339.     var store=tx.objectStore('messages');
    340. 

  340.     store.add(msg);
    341. 

  341.     chatDBTotalSize+=new Blob([JSON.stringify(msg)]).size;
    342. 

  342.     pruneIfNeeded();
    343. 

  343.     pruneByCount();
    344. 

  344.   }
    345. 

  345.   function pruneIfNeeded(){
    346. 

  346.     if(chatDBTotalSize<=chatDBMaxSize)return;
    347. 

  347.     // 淘汰最早的消息，直到低于 80% 上限
    348. 

  348.     var tx=chatDB.transaction('messages','readwrite');
    349. 

  349.     var store=tx.objectStore('messages');
    350. 

  350.     var req=store.openCursor();
    351. 

  351.     req.onsuccess=function(e){
    352. 

  352.       var cursor=e.target.result;
    353. 

  353.       if(cursor&&chatDBTotalSize>chatDBMaxSize*0.8){
    354. 

  354.         chatDBTotalSize-=new Blob([JSON.stringify(cursor.value)]).size;
    355. 

  355.         cursor.delete();
    356. 

  356.         cursor.continue();
    357. 

  357.       }
    358. 

  358.     };
    359. 

  359.   }
    360. 

  360.   function pruneByCount(){
    361. 

  361.     if(!chatDB)return;
    362. 

  362.     var tx=chatDB.transaction('messages','readwrite');
    363. 

  363.     var store=tx.objectStore('messages');
    364. 

  364.     var countReq=store.count();
    365. 

  365.     countReq.onsuccess=function(){
    366. 

  366.       if(countReq.result<=chatDBMaxCount)return;
    367. 

  367.       var excess=countReq.result-chatDBMaxCount;
    368. 

  368.       var cursorReq=store.openCursor();
    369. 

  369.       cursorReq.onsuccess=function(e){
    370. 

  370.         var cursor=e.target.result;
    371. 

  371.         if(cursor&&excess>0){
    372. 

  372.           cursor.delete();
    373. 

  373.           excess--;
    374. 

  374.           cursor.continue();
    375. 

  375.         }
    376. 

  376.       };
    377. 

  377.     };
    378. 

  378.   }
    379. 

  379.   function loadChatFromDB(){
    380. 

  380.     return new Promise(function(resolve){
    381. 

  381.       if(!chatDB){resolve([]);return}
    382. 

  382.       var tx=chatDB.transaction('messages','readonly');
    383. 

  383.       var store=tx.objectStore('messages');
    384. 

  384.       var req=store.getAll();
    385. 

  385.       req.onsuccess=function(){
    386. 

  386.         var msgs=req.result||[];
    387. 

  387.         chatDBTotalSize=0;
    388. 

  388.         for(var i=0;i<msgs.length;i++){chatDBTotalSize+=new Blob([JSON.stringify(msgs[i])]).size}
    389. 

  389.         resolve(msgs);
    390. 

  390.       };
    391. 

  391.       req.onerror=function(){resolve([])};
    392. 

  392.     });
    393. 

  393.   }
    394. 

  394.   ;
    395. 

  395.   async function restoreChat(){
    396. 

  396.     var msgs=await loadChatFromDB();
    397. 

  397.     // IndexedDB 为空时（微信 WebView 等场景），从后端恢复
    398. 

  398.     if(!msgs.length){
    399. 

  399.       try{
    400. 

  400.         var r=await fetch(API_BASE+'/api/v1/chat/recent-messages?limit=50',{headers:authHeaders()});
    401. 

  401.         if(r.ok){ var d=await r.json(); msgs=d.messages||[]; }
    402. 

  402.       }catch(e){}
    403. 

  403.     }
    404. 

  404.     if(!msgs.length)return;
    405. 

  405.     renderMessages(msgs);
    406. 

  406.   }
    407. 

  407.   function renderMessages(msgs){
    408. 

  408.     var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
    409. 

  409.     for(var i=0;i<msgs.length;i++){
    410. 

  410.       var m=msgs[i],div=document.createElement('div');
    411. 

  411.       div.className='msg '+m.role;
    412. 

  412.       if(m.role==='user'){div.textContent=m.content}
    413. 

  413.       else{
    414. 

  414.         var tag=m.intent||'';
    415. 

  415.         var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
    416. 

  416.         div.innerHTML=tagHtml+'<div class="content">'+md2html(m.content)+'</div>';
    417. 

  417.         // 恢复历史记录中的来源引用和品牌推荐
    418. 

  418.         if (m.sources && m.sources.length) {
    419. 

  419.           sourcesData = m.sources;
    420. 

  420.           div.innerHTML += buildSourceTags();
    421. 

  421.           sourcesData = [];
    422. 

  422.         }
    423. 

  423.         if (m.brand_recommendations && m.brand_recommendations.length) {
    424. 

  424.           brandRecsData = m.brand_recommendations;
    425. 

  425.           div.innerHTML += buildBrandRecs();
    426. 

  426.           brandRecsData = [];
    427. 

  427.         }
    428. 

  428.       }
    429. 

  429.       document.getElementById('chat').appendChild(div);
    430. 

  430.     }
    431. 

  431.     document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    432. 

  432.   }
    433. 

  433. 

  434.   function onFilePicked(type){
    435. 

  435.     var input=document.getElementById('imageInput');
    436. 

  436.     var file=input.files[0];if(!file)return;
    437. 

  437.     if(file.size>7*1024*1024){alert('图片不能超过7MB');input.value='';return}
    438. 

  438.     var reader=new FileReader();
    439. 

  439.     reader.onload=function(e){
    440. 

  440.       var b64=e.target.result.split(',')[1];
    441. 

  441.       pendingMedia={type:'image',base64:b64,mime:file.type||'image/jpeg',name:file.name};
    442. 

  442.       var preview=document.getElementById('previewArea');preview.style.display='flex';
    443. 

  443.       document.getElementById('previewLabel').textContent='📷 '+file.name;
    444. 

  444.       document.getElementById('previewThumb').src=e.target.result;document.getElementById('previewThumb').style.display='block';
    445. 

  445.       var inp=document.getElementById('userInput');
    446. 

  446.       if(!inp.value.trim())inp.placeholder='图片已就绪，可输入补充问题...';
    447. 

  447.     };
    448. 

  448.     reader.readAsDataURL(file);
    449. 

  449.   }
    450. 

  450.   function clearMedia(){
    451. 

  451.     pendingMedia=null;
    452. 

  452.     document.getElementById('previewArea').style.display='none';
    453. 

  453.     document.getElementById('imageInput').value='';
    454. 

  454.     document.getElementById('previewThumb').style.display='none';
    455. 

  455.     document.getElementById('userInput').placeholder='输入药品问题...';
    456. 

  456.   }
    457. 

  457. 

  458.   function addMsg(role,text,streaming,intent){
    459. 

  459.     var chat=document.getElementById('chat'),div=document.createElement('div');
    460. 

  460.     div.className='msg '+role+(streaming?' streaming':'');
    461. 

  461.     if(role==='user'){div.textContent=text}else{
    462. 

  462.       var tag=intent||currentIntent||'';
    463. 

  463.       var tagHtml=tag?'<div class="tag '+tagClass(tag)+'">'+intentLabel(tag)+'</div>':'<div class="tag tag-fallback">AI 药典助手</div>';
    464. 

  464.       div.innerHTML=tagHtml+'<div class="content">'+(text?md2html(text):'')+(streaming?'<span class="cursor">|</span>':'')+'</div>';
    465. 

  465.     }
    466. 

  466.     chat.appendChild(div);chat.scrollTop=chat.scrollHeight;return div;
    467. 

  467.   }
    468. 

  468. 

  469.   async function streamAsk(query,media,aiDiv,contentDiv){
    470. 

  470.     var endpoint,body;
    471. 

  471.     if(media&&media.type==='image'){
    472. 

  472.       endpoint=API_BASE+'/api/v1/chat/stream-image';
    473. 

  473.       body=JSON.stringify({imageBase64:media.base64,mimeType:media.mime,message:query});
    474. 

  474.     }else{
    475. 

  475.       endpoint=API_BASE+'/api/v1/chat/stream';
    476. 

  476.       body=JSON.stringify({message:query});
    477. 

  477.     }
    478. 

  478.     try{
    479. 

  479.       var ctrl=streamAbort?streamAbort:new AbortController();
    480. 

  480.       var r=await fetch(endpoint,{method:'POST',headers:authHeaders(),body:body,signal:ctrl.signal});
    481. 

  481.       if(r.status===401){console.warn('需要登录');aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();contentDiv.innerHTML=md2html('请先登录后再提问');return}
    482. 

  482.       if(r.status===429){
    483. 

  483.         var detail='请求过于频繁，请稍后再试';
    484. 

  484.         try{var b=await r.json();detail=b.detail||b.message||b.error||detail}catch(e){}
    485. 

  485.         contentDiv.innerHTML=md2html(detail);aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();return
    486. 

  486.       }
    487. 

  487.       if(!r.ok){contentDiv.innerHTML=md2html('请求失败: HTTP '+r.status);aiDiv.classList.remove('streaming');STREAMING=false;resetSendBtn();return}
    488. 

  488.       sourcesData=[];
    489. 

  489.       brandRecsData=[];
    490. 

  490.       var reader=r.body.getReader(),decoder=new TextDecoder(),buffer='',fullText='',eventType='';
    491. 

  491.       while(true){
    492. 

  492.         var{ done, value }=await reader.read();
    493. 

  493.         if(done)break;
    494. 

  494.         buffer+=decoder.decode(value,{stream:true});
    495. 

  495.         var lines=buffer.split('\n');buffer=lines.pop()||'';
    496. 

  496.         for(var i=0;i<lines.length;i++){
    497. 

  497.           var line=lines[i].trim();
    498. 

  498.           if(!line){eventType='';continue}
    499. 

  499.           if(line.startsWith('event:')){eventType=line.substring(6).trim();continue}
    500. 

  500.           if(line.startsWith('data:')){
    501. 

  501.             var data=line.substring(5).trim();
    502. 

  502.             if(data==='[DONE]')continue;
    503. 

  503.             if(eventType==='status'){
    504. 

  504.               contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> '+esc(data)+'</div>';
    505. 

  505.               document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    506. 

  506.               continue;
    507. 

  507.             }
    508. 

  508.             if(eventType==='intent'){currentIntent=data;var tagEl=aiDiv.querySelector('.tag');if(tagEl){tagEl.textContent=intentLabel(data);tagEl.className='tag '+tagClass(data)}continue}
    509. 

  509.             if(eventType==='meta'){
    510. 

  510.               try{var meta=JSON.parse(data);if(meta.sources&&meta.sources.length>0)sourcesData=meta.sources}catch(e){}
    511. 

  511.               continue;
    512. 

  512.             }
    513. 

  513.             if(eventType==='brand_recommend'){
    514. 

  514.               try{var br=JSON.parse(data);brandRecsData=br.recommendations||[];}catch(e){brandRecsData=[]}
    515. 

  515.               continue;
    516. 

  516.             }
    517. 

  517.             fullText+=data;
    518. 

  518.             contentDiv.innerHTML=md2html(fullText)+'<span class="cursor">|</span>';
    519. 

  519.             document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    520. 

  520.             eventType='';
    521. 

  521.           }
    522. 

  522.         }
    523. 

  523.       }
    524. 

  524.       contentDiv.innerHTML=md2html(fullText)+buildBrandRecs()+buildSourceTags();var c=contentDiv.querySelector('.cursor');if(c)c.remove();
    525. 

  525.     }catch(e){
    526. 

  526.       if(e.name==='AbortError'){contentDiv.innerHTML=md2html(fullText+' <span style="color:var(--rd)">已停止</span>')+buildBrandRecs()+buildSourceTags();}
    527. 

  527.       else{contentDiv.innerHTML=md2html('连接失败: '+esc(e.message));}
    528. 

  528.     }
    529. 

  529.     aiDiv.classList.remove('streaming');STREAMING=false;streamAbort=null;resetSendBtn();
    530. 

  530.     document.getElementById('chat').scrollTop=document.getElementById('chat').scrollHeight;
    531. 

  531.   }
    532. 

  532. 

  533.   window.quickAsk=function(t){document.getElementById('userInput').value=t;track('click', {label: t});send()};
    534. 

  534.   function resetSendBtn(){document.getElementById('sendBtn').disabled=false;document.getElementById('stopBtn').style.display='none'}
    535. 

  535.   window.stopCurrent=function(){STREAMING=false;if(streamAbort){streamAbort.abort();streamAbort=null}resetSendBtn()};
    536. 

  536. 

  537.   var loginModalReturnFocus=null;
    538. 

  538.   window.showLoginModal=function(){
    539. 

  539.     var modal=document.getElementById('loginModal');
    540. 

  540.     if(!modal||!modal.classList.contains('hidden'))return;
    541. 

  541.     loginModalReturnFocus=document.activeElement;
    542. 

  542.     modal.classList.remove('hidden');
    543. 

  543.     setTimeout(function(){document.getElementById('loginConfirmBtn').focus()},0);
    544. 

  544.   };
    545. 

  545.   window.closeLoginModal=function(){
    546. 

  546.     var modal=document.getElementById('loginModal');
    547. 

  547.     if(!modal)return;
    548. 

  548.     modal.classList.add('hidden');
    549. 

  549.     if(loginModalReturnFocus&&typeof loginModalReturnFocus.focus==='function')loginModalReturnFocus.focus();
    550. 

  550.     loginModalReturnFocus=null;
    551. 

  551.   };
    552. 

  552.   window.goToLogin=function(){
    553. 

  553.     var redirectPath='/pages/pharmacopoeia/index';
    554. 

  554.     var loginPath='/pages/login/index?redirect='+encodeURIComponent(redirectPath);
    555. 

  555.     var pageParams=new URLSearchParams(window.location.search);
    556. 

  556.     var fromMiniProgram=pageParams.get('source')==='mini_program';
    557. 

  557.     if(fromMiniProgram&&window.wx&&window.wx.miniProgram&&typeof window.wx.miniProgram.redirectTo==='function'){
    558. 

  558.       window.wx.miniProgram.redirectTo({
    559. 

  559.         url:loginPath,
    560. 

  560.         fail:function(){alert('跳转登录页失败，请稍后重试')}
    561. 

  561.       });
    562. 

  562.       return;
    563. 

  563.     }
    564. 

  564. 

  565.     var loginUrl=pageParams.get('login_url')||'';
    566. 

  566.     if(loginUrl){
    567. 

  567.       try{
    568. 

  568.         var parsedLoginUrl=new URL(loginUrl);
    569. 

  569.         var allowedHosts=['h5.kailin.com.cn','h5.findit.ltd','findit.ltd','openwork.dfwy.tech','localhost','127.0.0.1'];
    570. 

  570.         var allowedHost=allowedHosts.indexOf(parsedLoginUrl.hostname)>=0||parsedLoginUrl.hostname.endsWith('.zanliang.com.cn');
    571. 

  571.         if(allowedHost&&(parsedLoginUrl.protocol==='https:'||['localhost','127.0.0.1'].indexOf(parsedLoginUrl.hostname)>=0)){
    572. 

  572.           window.location.href=parsedLoginUrl.href;
    573. 

  573.           return;
    574. 

  574.         }
    575. 

  575.       }catch(e){}
    576. 

  576.     }
    577. 

  577.     alert('请在开邻药惠购小程序内完成登录');
    578. 

  578.   };
    579. 

  579.   document.addEventListener('keydown',function(e){
    580. 

  580.     if(e.key==='Escape')closeLoginModal();
    581. 

  581.   });
    582. 

  582. 

  583.   window.send=async function(){
    584. 

  584.     var input=document.getElementById('userInput'),text=input.value.trim();
    585. 

  585.     var hasMedia=!!pendingMedia;
    586. 

  586.     if(!text&&!hasMedia)return;input.value='';if(STREAMING)return;
    587. 

  587.     track('chat', {query: text, has_media: hasMedia});
    588. 

  588.     doSend(text,hasMedia?pendingMedia:null);
    589. 

  589.   };
    590. 

  590.   function doSend(text,media){
    591. 

  591.     STREAMING=true;streamAbort=new AbortController();
    592. 

  592.     document.getElementById('sendBtn').disabled=true;document.getElementById('stopBtn').style.display='inline-block';
    593. 

  593.     var w=document.getElementById('chat').querySelector('.welcome');if(w)w.remove();
    594. 

  594.     var userDisplay=text;
    595. 

  595.     if(media){userDisplay='📷 [图片] '+(text||'请分析此图片')}
    596. 

  596.     addMsg('user',userDisplay);
    597. 

  597.     var query=text;
    598. 

  598.     if(media&&!text){query='请分析此图片中的药品信息'}
    599. 

  599.     if(!query){query='请介绍一下自己'}
    600. 

  600.     if(media)pendingMedia=null;if(media)clearMedia();
    601. 

  601.     currentIntent=classifyIntent(query);
    602. 

  602.     var aiDiv=addMsg('ai','',true,currentIntent),contentDiv=aiDiv.querySelector('.content');
    603. 

  603.     contentDiv.innerHTML='<div class="thinking"><span class="think-dot"></span> 检索中...</div>';
    604. 

  604.     streamAsk(query,media,aiDiv,contentDiv);
    605. 

  605.   }
    606. 

  606. 

  607.   function buildBrandRecs(){
    608. 

  608.     if(!brandRecsData||!brandRecsData.length)return'';
    609. 

  609.     var SHOW_MAX=3;
    610. 

  610.     var showRecs=brandRecsData.slice(0,SHOW_MAX);
    611. 

  611.     var extraRecs=brandRecsData.slice(SHOW_MAX);
    612. 

  612.     var h='<div class="brand-recs">';
    613. 

  613.     h+='<div class="brand-recs-title">💊 品牌药品推荐</div>';
    614. 

  614.     for(var i=0;i<showRecs.length;i++){
    615. 

  615.       var r=showRecs[i];
    616. 

  616.       var name=r.brand_name||'';
    617. 

  617.       var desc=r.description||(r.function||'');
    618. 

  618.       if(desc.length>120)desc=desc.substring(0,120)+'...';
    619. 

  619.       var url=r.jump_url||'';
    620. 

  620.       // 有跳转链接直接跳转，无链接点击查看详情
    621. 

  621.       if(url){
    622. 

  622.         h+='<a class="brand-card" href="'+escAttr(url)+'" target="_blank" rel="noopener">';
    623. 

  623.         h+='<span class="brand-card-arrow">→ 跳转</span>';
    624. 

  624.       } else {
    625. 

  625.         h+='<div class="brand-card" onclick="showBrandDetail('+JSON.stringify(r)+')" style="cursor:pointer">';
    626. 

  626.         h+='<span class="brand-card-arrow" style="font-size:11px">查看详情 →</span>';
    627. 

  627.       }
    628. 

  628.       h+='<div class="brand-card-name">'+esc(name)+'</div>';
    629. 

  629.       h+='<div class="brand-card-desc">'+esc(desc)+'</div>';
    630. 

  630.       if(url){
    631. 

  631.         h+='</a>';
    632. 

  632.       } else {
    633. 

  633.         h+='</div>';
    634. 

  634.       }
    635. 

  635.     }
    636. 

  636.     if(extraRecs.length>0){
    637. 

  637.       var moreId='brandMore'+Date.now();
    638. 

  638.       h+='<div id="'+moreId+'" style="display:none">';
    639. 

  639.       for(var j=0;j<extraRecs.length;j++){
    640. 

  640.         var er=extraRecs[j];
    641. 

  641.         var ename=er.brand_name||'';
    642. 

  642.         var edesc=er.description||(er.function||'');
    643. 

  643.         if(edesc.length>120)edesc=edesc.substring(0,120)+'...';
    644. 

  644.         var eurl=er.jump_url||'';
    645. 

  645.         if(eurl){
    646. 

  646.           h+='<a class="brand-card" href="'+escAttr(eurl)+'" target="_blank" rel="noopener">';
    647. 

  647.           h+='<span class="brand-card-arrow">→ 跳转</span>';
    648. 

  648.         } else {
    649. 

  649.           h+='<div class="brand-card" onclick="showBrandDetail('+JSON.stringify(er)+')" style="cursor:pointer">';
    650. 

  650.           h+='<span class="brand-card-arrow" style="font-size:11px">查看详情 →</span>';
    651. 

  651.         }
    652. 

  652.         h+='<div class="brand-card-name">'+esc(ename)+'</div>';
    653. 

  653.         h+='<div class="brand-card-desc">'+esc(edesc)+'</div>';
    654. 

  654.         if(eurl){
    655. 

  655.           h+='</a>';
    656. 

  656.         } else {
    657. 

  657.           h+='</div>';
    658. 

  658.         }
    659. 

  659.       }
    660. 

  660.       h+='<button class="brand-more-btn" onclick="var d=document.getElementById(\''+moreId+'\');var t=this;if(d.style.display===\'none\'){d.style.display=\'block\';t.textContent=\'▲ 收起 '+extraRecs.length+' 条推荐\'}else{d.style.display=\'none\';t.textContent=\'▼ 展开 '+extraRecs.length+' 条推荐\'}">▼ 展开 '+extraRecs.length+' 条推荐</button>';
    661. 

  661.     }
    662. 

  662.     h+='</div>';
    663. 

  663.     return h;
    664. 

  664.   }
    665. 

  665. 

  666.   window.showBrandDetail=async function(brand){
    667. 

  667.     var bid=brand.brand_id||0;
    668. 

  668.     var data=brand;
    669. 

  669.     // 优先从后端查询最新数据
    670. 

  670.     if(bid){
    671. 

  671.       try{
    672. 

  672.         var r=await fetch(API_BASE+'/api/v1/admin/knowledge/brands/'+bid,{headers:authHeaders()});
    673. 

  673.         if(r.ok){var j=await r.json();if(j.name)data=j}
    674. 

  674.       }catch(e){}
    675. 

  675.     }
    676. 

  676.     // 有跳转链接直接跳转
    677. 

  677.     var jumpUrl=data.jump_url||brand.jump_url||'';
    678. 

  678.     if(jumpUrl){
    679. 

  679.       window.open(jumpUrl,'_blank','noopener');
    680. 

  680.       return;
    681. 

  681.     }
    682. 

  682.     // 否则弹窗展示详情
    683. 

  683.     var fields=[
    684. 

  684.       {label:'功能主治',key:'function'},
    685. 

  685.       {label:'用法用量',key:'usage_dosage'},
    686. 

  686.       {label:'禁忌',key:'contraindication'},
    687. 

  687.       {label:'成份',key:'ingredients'},
    688. 

  688.       {label:'性状',key:'properties'},
    689. 

  689.       {label:'规格',key:'specification'},
    690. 

  690.       {label:'不良反应',key:'adverse_reactions'},
    691. 

  691.       {label:'注意事项',key:'precautions'},
    692. 

  692.       {label:'执行标准',key:'execution_standard'},
    693. 

  693.       {label:'贮藏',key:'storage'}
    694. 

  694.     ];
    695. 

  695.     var body='';
    696. 

  696.     for(var i=0;i<fields.length;i++){
    697. 

  697.       var val=data[fields[i].key]||'';
    698. 

  698.       if(val){
    699. 

  699.         body+='<div class="bd-field"><div class="bd-label">'+fields[i].label+'</div><div class="bd-value">'+esc(val)+'</div></div>';
    700. 

  700.       }
    701. 

  701.     }
    702. 

  702.     if(!body)body='<div style="padding:20px;text-align:center;color:#aaa">暂无详细信息</div>';
    703. 

  703.     var overlay=document.createElement('div');
    704. 

  704.     overlay.className='brand-detail-overlay';
    705. 

  705.     overlay.onclick=function(e){if(e.target===this)this.remove()};
    706. 

  706.     overlay.innerHTML='<div class="brand-detail-box">'+
    707. 

  707.       '<div class="brand-detail-header">'+
    708. 

  708.         '<button class="bd-close" onclick="this.closest(\'.brand-detail-overlay\').remove()">×</button>'+
    709. 

  709.         '<h2>💊 '+esc(data.brand_name||brand.brand_name||'')+'</h2>'+
    710. 

  710.       '</div>'+
    711. 

  711.       '<div class="brand-detail-body">'+body+'</div>'+
    712. 

  712.     '</div>';
    713. 

  713.     document.body.appendChild(overlay);
    714. 

  714.   };
    715. 

  715. 

  716.   function buildSourceTags(){
    717. 

  717.     if(!sourcesData||!sourcesData.length)return'';
    718. 

  718.     // 按药名分组
    719. 

  719.     var groups={},order=[];
    720. 

  720.     for(var i=0;i<sourcesData.length;i++){
    721. 

  721.       var s=sourcesData[i];
    722. 

  722.       if(!s.section||s.section==='正文')continue;
    723. 

  723.       var name=s.name||'未知';
    724. 

  724.       var ver=s.source||s.category||'';
    725. 

  725.       var gkey=name+'|'+ver;
    726. 

  726.       if(!groups[gkey]){groups[gkey]={sections:[],seen:new Set(),name:name,source:ver,drugId:s.drug_id||''};order.push(gkey);}
    727. 

  727.       var key=s.section;
    728. 

  728.       if(!groups[gkey].seen.has(key)){
    729. 

  729.         groups[gkey].seen.add(key);
    730. 

  730.         var excerpt=(s.excerpt||'').replace(/【.+?】/g,'').replace(/来源：.*$/gm,'').trim();
    731. 

  731.         var showExcerpt=excerpt.length>400?excerpt.substring(0,400)+'...':excerpt;
    732. 

  732.         groups[gkey].sections.push({section:key,excerpt:showExcerpt});
    733. 

  733.       }
    734. 

  734.     }
    735. 

  735.     if(!order.length)return'';
    736. 

  736.     var h='<div class="source-tags">';
    737. 

  737.     for(var g=0;g<order.length;g++){
    738. 

  738.       var dn=order[g],grp=groups[dn],cnt=grp.sections.length;
    739. 

  739.       h+='<div style="margin-bottom:10px">';
    740. 

  740.       h+='<div class="src-title">📖 '+esc(dn)+' · '+esc(grp.source)+' （'+cnt+'个栏目）';
    741. 

  741.       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>';
    742. 

  742.       for(var s=0;s<grp.sections.length;s++){
    743. 

  743.         var sec=grp.sections[s];
    744. 

  744.         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>';
    745. 

  745.       }
    746. 

  746.       h+='</div>';
    747. 

  747.     }
    748. 

  748.     h+='</div>';
    749. 

  749.     return h;
    750. 

  750.   }
    751. 

  751. 

  752.   window.loadDrugDetailBySrc=async function(drugName){
    753. 

  753.     try{
    754. 

  754.       var r=await fetch(API_BASE+'/api/v1/drug/search?keyword='+encodeURIComponent(drugName)+'&pageSize=10',{headers:authHeaders()});
    755. 

  755.       if(r.status===401){console.warn('需要登录');return}
    756. 

  756.       var d=await r.json();var items=d.items||d.data||[];
    757. 

  757.       // 2025年版优先，再精确匹配
    758. 

  758.       items.sort(function(a,b){
    759. 

  759.         var va=a.source_version||'', vb=b.source_version||'';
    760. 

  760.         if(va==='2025年版' && vb!=='2025年版') return -1;
    761. 

  761.         if(vb==='2025年版' && va!=='2025年版') return 1;
    762. 

  762.         return (a.name===drugName?-1:0) - (b.name===drugName?-1:0);
    763. 

  763.       });
    764. 

  764.       if(items.length>0){loadDrugDetail(items[0].drug_id)}
    765. 

  765.       else{alert('未找到药品: '+drugName)}
    766. 

  766.     }catch(e){}
    767. 

  767.   };
    768. 

  768. 

  769.   // 药品库
    770. 

  770.   var ALL_DRUGS=[],drugPage=1,drugTotalPages=1,drugPageSize=20,drugKeyword='';
    771. 

  771.   async function loadDrugList(page){
    772. 

  772.     page=page||1;drugPage=page;
    773. 

  773.     var url=API_BASE+'/api/v1/drug/search?page='+page+'&pageSize='+drugPageSize;
    774. 

  774.     if(drugKeyword) url+='&keyword='+encodeURIComponent(drugKeyword);
    775. 

  775.     try{var r=await fetch(url,{headers:authHeaders()});
    776. 

  776.       if(r.status===401){console.warn('需要登录');return}
    777. 

  777.       var d=await r.json();
    778. 

  778.       ALL_DRUGS=d.items||d.data||[];drugTotalPages=d.total_pages||1;
    779. 

  779.       renderDrugCards(ALL_DRUGS);
    780. 

  780.     }catch(e){ALL_DRUGS=[];renderDrugCards([])}
    781. 

  781.   }
    782. 

  782.   window.searchDrugs=function(){
    783. 

  783.     drugKeyword=(document.getElementById('drugSearchInput').value||'').trim();
    784. 

  784.     if (drugKeyword) track('search', {keyword: drugKeyword});
    785. 

  785.     loadDrugList(1);
    786. 

  786.     return false;
    787. 

  787.   };
    788. 

  788.   function renderDrugCards(items){
    789. 

  789.     var h='';
    790. 

  790.     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}
    791. 

  791.     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>'}
    792. 

  792.     document.getElementById('drugList').innerHTML=h;
    793. 

  793.     renderPager();
    794. 

  794.   }
    795. 

  795.   function renderPager(){
    796. 

  796.     var h='<div class="pager">';
    797. 

  797.     h+='<button onclick="loadDrugList(1)" '+(drugPage<=1?'disabled':'')+'>首页</button>';
    798. 

  798.     h+='<button onclick="loadDrugList('+(drugPage-1)+')" '+(drugPage<=1?'disabled':'')+'>‹</button>';
    799. 

  799.     var start=Math.max(1,drugPage-2),end=Math.min(drugTotalPages,drugPage+2);
    800. 

  800.     for(var p=start;p<=end;p++){
    801. 

  801.       h+='<button class="'+(p===drugPage?'active':'')+'" onclick="loadDrugList('+p+')">'+p+'</button>';
    802. 

  802.     }
    803. 

  803.     h+='<button onclick="loadDrugList('+(drugPage+1)+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>›</button>';
    804. 

  804.     h+='<button onclick="loadDrugList('+drugTotalPages+')" '+(drugPage>=drugTotalPages?'disabled':'')+'>末页</button>';
    805. 

  805.     h+='<span class="page-info">共 '+drugTotalPages+' 页</span>';
    806. 

  806.     h+='<span class="page-info">跳至</span>';
    807. 

  807.     h+='<input id="jumpPageInput" type="text" value="'+drugPage+'" onblur="handleJumpPage()" style="width:48px;padding:6px 4px;border:1px solid #d0d5dd;border-radius:6px;font-size:12px;text-align:center">';
    808. 

  808.     h+='<span class="page-info">页</span>';
    809. 

  809.     h+='<select onchange="drugPageSize=parseInt(this.value);loadDrugList(1)">';
    810. 

  810.     [10,20,50,100].forEach(function(s){h+='<option value="'+s+'"'+(drugPageSize===s?' selected':'')+'>'+s+' 条/页</option>'});
    811. 

  811.     h+='</select>';
    812. 

  812.     h+='</div>';
    813. 

  813.     document.getElementById('drugPager').innerHTML=h;
    814. 

  814.   }
    815. 

  815.   window.loadDrugDetail=async function(drugId){
    816. 

  816.     try{
    817. 

  817.       var r=await fetch(API_BASE+'/api/v1/drug/'+encodeURIComponent(drugId),{headers:authHeaders()});
    818. 

  818.       if(r.status===401){console.warn('需要登录');return}
    819. 

  819.       var d=await r.json();var drug=d.data||d;
    820. 

  820.       track('drug_detail', {drug_id: drugId, drug_name: drug.name || ''});
    821. 

  821.       var dd=document.getElementById('tabDrugs');
    822. 

  822.       var topBar='<div style="display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e0e0e0">';
    823. 

  823.       topBar+='<button onclick="showDrugList()" class="btn btn-secondary" style="padding:4px 12px;min-height:auto;font-size:12px">← 返回列表</button>';
    824. 

  824.       topBar+='<span style="font-size:13px;color:var(--sub)">药品详情</span></div>';
    825. 

  825.       var h='<div class="drug-detail">'+topBar;
    826. 

  826.       h+='<h2>'+esc(drug.name||'')+'</h2>';
    827. 

  827.       h+='<div class="info-row">'+(drug.pinyin||'')+' '+(drug.name_en||'')+'</div>';
    828. 

  828.       h+='<div class="info-row">分类: '+(drug.category||'')+(drug.subcategory?' · '+drug.subcategory:'')+'</div>';
    829. 

  829.       h+='<div class="info-row">来源: '+(drug.source_version||'')+' '+(drug.source_volume||'')+(drug.source_page?' P'+drug.source_page:'')+'</div>';
    830. 

  830.       if(drug.sections&&typeof drug.sections==='object'){var keys=Object.keys(drug.sections);
    831. 

  831.         // 快速导航
    832. 

  832.         h+='<div style="margin:14px 0;padding:10px 12px;background:#f8f9fc;border-radius:8px;font-size:12px;line-height:2">';
    833. 

  833.         h+='<span style="color:var(--sub);font-weight:600">快速跳转：</span>';
    834. 

  834.         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>'}
    835. 

  835.         h+='</div>';
    836. 

  836.         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>'}}
    837. 

  837.       var bottomBar='<div style="display:flex;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid #e0e0e0">';
    838. 

  838.       bottomBar+='<button class="btn btn-secondary" onclick="showDrugList()" style="flex:1">← 返回列表</button>';
    839. 

  839.       bottomBar+='<button class="btn btn-secondary" onclick="switchTab(\'chat\')" style="flex:1">💬 返回对话</button>';
    840. 

  840.       bottomBar+='<button class="btn btn-primary" onclick="switchTab(\'chat\');quickAsk(\''+escAttr(drug.name)+'\')" style="flex:1">💊 询问此药</button>';
    841. 

  841.       bottomBar+='</div>';
    842. 

  842.       h+=bottomBar+'</div>';
    843. 

  843.       dd.innerHTML=h;
    844. 

  844.     }catch(e){document.getElementById('tabDrugs').innerHTML='<div class="welcome"><p>加载失败</p></div>'}
    845. 

  845.   };
    846. 

  846.   window.showDrugList=function(){
    847. 

  847.     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>';
    848. 

  848.     renderDrugCards(ALL_DRUGS);
    849. 

  849.   };
    850. 

  850.   window.handleJumpPage=function(){
    851. 

  851.     var inp=document.getElementById('jumpPageInput');
    852. 

  852.     if(!inp)return;
    853. 

  853.     var v=parseInt(inp.value);
    854. 

  854.     if(isNaN(v)||v<1){v=1}
    855. 

  855.     if(v>drugTotalPages){v=drugTotalPages}
    856. 

  856.     if(v!==drugPage){loadDrugList(v)}
    857. 

  857.     else{inp.value=v}
    858. 

  858.   };
    859. 

  859.   window.switchTab=function(tab){
    860. 

  860.     track('switch_tab', {tab: tab});
    861. 

  861.     document.querySelectorAll('.nav-btn').forEach(function(b){b.classList.toggle('active',b.dataset.tab===tab)});
    862. 

  862.     document.getElementById('tabChat').classList.toggle('hidden',tab!=='chat');
    863. 

  863.     document.getElementById('tabDrugs').classList.toggle('hidden',tab!=='drugs');
    864. 

  864.     if(tab==='drugs'){
    865. 

  865.     drugKeyword='';drugPage=1;
    866. 

  866.     showDrugList();
    867. 

  867.     document.getElementById('drugList').innerHTML='<div class="welcome"><div class="icon">⏳</div><p>加载中...</p></div>';
    868. 

  868.     document.getElementById('drugPager').innerHTML='';
    869. 

  869.     loadDrugList(1);
    870. 

  870.   }
    871. 

  871.   };
    872. 

  872.   // 初始化：打开本地数据库 → 恢复对话 → 预加载药品列表 → 加载快捷提问标签
    873. 

  873.       (async function init(){
    874. 

  874.         track('page_view');
    875. 

  875.         await openChatDB();
    876. 

  876.         await restoreChat();
    877. 

  877.         loadQuickAsks();
    878. 

  878.       })();
    879. 

  879. 

  880.   async function loadQuickAsks(){
    881. 

  881.     try {
    882. 

  882.       var r = await fetch(API_BASE + '/api/v1/yaodian/quick-asks');
    883. 

  883.       if (!r.ok) return;
    884. 

  884.       var data = await r.json();
    885. 

  885.       // 兼容统一返回格式 {code, data, message} 和原始数组格式
    886. 

  886.       var items = Array.isArray(data) ? data : (data.data || []);
    887. 

  887.       var container = document.getElementById('quickTags');
    888. 

  888.       if (!items || !items.length) { container.style.display='none'; return; }
    889. 

  889.       var html = '';
    890. 

  890.       for (var i = 0; i < items.length; i++) {
    891. 

  891.         var q = escAttr(items[i].question);
    892. 

  892.         var lbl = esc(items[i].label);
    893. 

  893.         html += '<span class="tag-btn" onclick="quickAsk(\'' + q + '\')">' + lbl + '</span>';
    894. 

  894.       }
    895. 

  895.       container.innerHTML = html;
    896. 

  896.     } catch(e) {}
    897. 

  897.   }
    898. 

  898. </script>
    899. 

  899. </body>
    900. 

  900. </html>
    901.