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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">
    6. 

  6. <title>恒达视觉智能监控平台</title>
    7. 

  7. <link rel="icon" href="/logo.ico" type="image/x-icon">
    8. 

  8. <link rel="icon" href="/logo.png" type="image/png">
    9. 

  9. <style>
    10. 

  10. *{margin:0;padding:0;box-sizing:border-box;border-radius:0 !important}
    11. 

  11. body{font-family:system-ui,sans-serif;background:#12192e;color:#eee;overflow:hidden}
    12. 

  12. .app{display:flex;height:100vh}
    13. 

  13. 

  14. /* ---------- 侧边栏 ---------- */
    15. 

  15. .sidebar{width:200px;background:#0e1426;border-right:1px solid #0f3460;display:flex;flex-direction:column;flex-shrink:0;transition:width .15s}
    16. 

  16. body.rail .sidebar{width:60px}
    17. 

  17. .logo{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid #0f3460;overflow:hidden}
    18. 

  18. .logo img{height:28px;flex-shrink:0}
    19. 

  19. .logo .t{font-size:14px;color:#e94560;font-weight:bold;white-space:nowrap}
    20. 

  20. body.rail .logo .t,body.rail .nav-label,body.rail .side-foot .nav-label{display:none}
    21. 

  21. .nav{padding-top:8px;flex:1}
    22. 

  22. .nav-item{display:flex;align-items:center;gap:12px;padding:13px 18px;color:#8892a8;cursor:pointer;font-size:14px;border-left:3px solid transparent;white-space:nowrap;user-select:none}
    23. 

  23. .nav-item:hover{background:#182242;color:#ccc}
    24. 

  24. .nav-item.active{color:#e94560;border-left-color:#e94560;background:#182242;font-weight:bold}
    25. 

  25. .nav-item .ico{width:20px;text-align:center;flex-shrink:0;font-weight:bold}
    26. 

  26. .side-foot{border-top:1px solid #0f3460;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
    27. 

  27. .badge-wrap{display:flex;align-items:center;gap:8px}
    28. 

  28. .status-badge{padding:3px 10px;font-size:12px;font-weight:bold}
    29. 

  29. .status-on{background:#27ae60;color:#fff}
    30. 

  30. .status-off{background:#e74c3c;color:#fff}
    31. 

  31. .collapse-btn{background:none;border:1px solid #0f3460;color:#8892a8;padding:5px;cursor:pointer;font-size:12px;width:100%}
    32. 

  32. .collapse-btn:hover{color:#e94560;border-color:#e94560}
    33. 

  33. 

  34. /* ---------- 内容区 ---------- */
    35. 

  35. .content{flex:1;overflow:auto;position:relative;background:#12192e}
    36. 

  36. .page{display:none;height:100%;overflow:auto}
    37. 

  37. .page.active{display:block}
    38. 

  38. .pad{padding:16px}
    39. 

  39. .card{background:#141d36;border:1px solid #0f3460;padding:16px;margin-bottom:16px}
    40. 

  40. .card h3{color:#e94560;margin-bottom:12px;font-size:15px}
    41. 

  41. h3.sec{color:#e94560;font-size:15px;margin:4px 0 12px}
    42. 

  42. 

  43. /* ---------- 表单 ---------- */
    44. 

  44. .form-group{margin-bottom:12px}
    45. 

  45. .form-group label{display:block;font-size:13px;color:#aaa;margin-bottom:4px}
    46. 

  46. .form-group input,.form-group select{width:100%;padding:8px;border:1px solid #0f3460;background:#0e1426;color:#eee;font-size:13px}
    47. 

  47. .form-group input[type=checkbox]{width:15px;height:15px;cursor:pointer;vertical-align:-2px}
    48. 

  48. .btn{padding:8px 16px;border:none;cursor:pointer;font-size:13px;font-weight:bold}
    49. 

  49. .btn-primary{background:#e94560;color:#fff}
    50. 

  50. .btn-primary:hover{background:#c0392b}
    51. 

  51. .btn-success{background:#27ae60;color:#fff}
    52. 

  52. .btn-danger{background:#e74c3c;color:#fff}
    53. 

  53. .btn-outline{background:transparent;border:1px solid #555;color:#aaa}
    54. 

  54. .btn-outline:hover{border-color:#e94560;color:#e94560}
    55. 

  55. .btn-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
    56. 

  56. 

  57. /* ---------- 监控页 ---------- */
    58. 

  58. #videoStage{position:absolute;inset:0;background:#000}
    59. 

  59. .vcell{position:relative;background:#000;overflow:hidden}
    60. 

  60. .vcell .stream{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
    61. 

  61. .vcell .tag{position:absolute;top:8px;left:8px;background:rgba(14,20,38,.85);border:1px solid #0f3460;color:#ddd;font-size:12px;padding:2px 10px;z-index:3}
    62. 

  62. .vcell.offline::after{content:"信号离线";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#e74c3c;font-size:16px;background:rgba(0,0,0,.55);z-index:2}
    63. 

  63. .model-chip{position:absolute;top:10px;right:10px;z-index:6;background:rgba(14,20,38,.85);border:1px solid #0f3460;color:#aaa;font-size:12px;padding:4px 12px}
    64. 

  64. .info-bar{position:absolute;bottom:10px;left:10px;background:rgba(14,20,38,.9);border:1px solid #0f3460;padding:6px 14px;font-size:12px;z-index:6;color:#aaa}
    65. 

  65. .info-bar .val{color:#3498db}
    66. 

  66. .empty-tip{height:100%;display:flex;align-items:center;justify-content:center;color:#666;font-size:15px}
    67. 

  67. 

  68. /* ---------- 围栏页 ---------- */
    69. 

  69. .fence-layout{display:flex;height:100%}
    70. 

  70. .fence-video{flex:1;position:relative;background:#000;min-width:0}
    71. 

  71. .fence-tools{position:absolute;top:10px;left:10px;z-index:8;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
    72. 

  72. .fence-panel{width:320px;flex-shrink:0;background:#141d36;border-left:1px solid #0f3460;padding:14px;overflow-y:auto}
    73. 

  73. .ch-tabs{display:flex;gap:4px;flex-wrap:wrap}
    74. 

  74. .ch-tab{padding:5px 14px;background:#0e1426;border:1px solid #0f3460;cursor:pointer;font-size:12px;color:#aaa}
    75. 

  75. .ch-tab.active{border-color:#e94560;color:#e94560}
    76. 

  76. .ch-tab.offline{color:#e74c3c;border-color:#e74c3c}
    77. 

  77. .fence-list{margin-top:12px}
    78. 

  78. .fence-item{background:#0e1426;border:1px solid #0f3460;border-left:3px solid #3498db;padding:10px;margin-bottom:8px;position:relative}
    79. 

  79. .fence-item .name{font-weight:bold;color:#3498db}
    80. 

  80. .fence-item .pts{font-size:11px;color:#888;margin-top:4px}
    81. 

  81. .fence-item .actions{margin-top:8px;display:flex;gap:4px;flex-wrap:wrap}
    82. 

  82. .fence-item .actions button{padding:2px 8px;font-size:11px}
    83. 

  83. 

  84. /* ---------- 报警页 ---------- */
    85. 

  85. .alarm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
    86. 

  86. .filter-bar{display:flex;gap:14px;align-items:end;margin-bottom:14px;flex-wrap:wrap}
    87. 

  87. .fitem label{display:block;font-size:11px;color:#888;margin-bottom:4px}
    88. 

  88. .fitem select,.fitem input{padding:6px 8px;background:#0e1426;border:1px solid #0f3460;color:#eee;font-size:13px}
    89. 

  89. .alist-row{display:flex;gap:12px;align-items:center;background:#0e1426;border:1px solid #0f3460;
    90. 

  90. border-left:3px solid #e94560;padding:8px 10px;margin-bottom:8px;cursor:pointer}
    91. 

  91. .alist-row:hover{border-color:#e94560;background:#182242}
    92. 

  92. .alist-row img{width:96px;height:54px;object-fit:cover;display:block;flex-shrink:0}
    93. 

  93. .alist-row .col-t{width:150px;font-size:12px;color:#888;flex-shrink:0}
    94. 

  94. .alist-row .col-ch{width:130px;font-size:13px;flex-shrink:0}
    95. 

  95. .alist-row .col-ch .nm{color:#3498db;font-size:11px}
    96. 

  96. .alist-row .col-f{flex:1;font-size:13px;color:#27ae60;min-width:0}
    97. 

  97. .alist-row .col-c{font-size:13px;color:#e94560;width:80px;text-align:right;flex-shrink:0}
    98. 

  98. .alist-row .col-conf{width:50px;text-align:right;font-size:12px;color:#27ae60;flex-shrink:0}
    99. 

  99. 

  100. /* ---------- 继电器页 ---------- */
    101. 

  101. .relay-cols{display:grid;grid-template-columns:minmax(340px,460px) minmax(380px,1fr);gap:16px;align-items:start;padding:16px}
    102. 

  102. @media(max-width:1100px){.relay-cols{grid-template-columns:1fr}}
    103. 

  103. .rly-tbl{width:100%;border-collapse:collapse;font-size:13px}
    104. 

  104. .rly-tbl td,.rly-tbl th{padding:5px 3px;border-bottom:1px solid #0f3460;text-align:center}
    105. 

  105. .rly-tbl th{font-size:12px;color:#888;font-weight:normal}
    106. 

  106. .rly-tbl select,.rly-tbl input[type=number]{padding:3px;background:#0e1426;color:#eee;border:1px solid #0f3460;font-size:13px;width:80px}
    107. 

  107. .led{display:inline-block;width:12px;height:12px;background:#555;vertical-align:middle}
    108. 

  108. .led.on{background:#27ae60}
    109. 

  109. .hint{font-size:11px;color:#888;margin-bottom:6px}
    110. 

  110. 

  111. /* ---------- 通道页 ---------- */
    112. 

  112. .ch-card{display:flex;justify-content:space-between;align-items:center;background:#0e1426;border:1px solid #0f3460;padding:12px 14px;margin-bottom:10px;gap:12px;flex-wrap:wrap}
    113. 

  113. .ch-card .info{min-width:0}
    114. 

  114. .ch-card .nm{font-weight:bold;color:#3498db;font-size:14px}
    115. 

  115. .ch-card .url{font-size:12px;color:#888;word-break:break-all;margin-top:3px}
    116. 

  116. .ch-card .ops{display:flex;gap:6px;flex-shrink:0}
    117. 

  117. .ch-card .ops button{padding:4px 12px;font-size:12px}
    118. 

  118. .pill{padding:2px 10px;font-size:11px;font-weight:bold;margin-left:8px}
    119. 

  119. .pill-on{background:#27ae60;color:#fff}
    120. 

  120. .pill-off{background:#e74c3c;color:#fff}
    121. 

  121. 

  122. /* ---------- 系统页 ---------- */
    123. 

  123. .sys-wrap{max-width:640px;margin:0 auto;padding:24px}
    124. 

  124. 

  125. /* ---------- PiP ---------- */
    126. 

  126. #pip{display:none;position:fixed;right:16px;bottom:16px;width:260px;background:#0e1426;border:1px solid #0f3460;z-index:50}
    127. 

  127. #pip img{width:100%;height:146px;object-fit:contain;display:block;background:#000}
    128. 

  128. #pip .pip-bar{display:flex;justify-content:space-between;align-items:center;padding:4px 8px;font-size:11px;color:#aaa;border-top:1px solid #0f3460}
    129. 

  129. #pip .pip-bar button{background:none;border:none;color:#e94560;cursor:pointer;font-size:13px;padding:0 4px}
    130. 

  130. 

  131. /* ---------- 弹窗 ---------- */
    132. 

  132. .modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:100;justify-content:center;align-items:center}
    133. 

  133. .modal-overlay.show{display:flex}
    134. 

  134. .modal{background:#141d36;border:1px solid #0f3460;padding:24px;width:520px;max-height:90vh;overflow-y:auto}
    135. 

  135. .modal h3{margin-bottom:16px;color:#e94560}
    136. 

  136. .modal img{width:100%;margin-bottom:12px}
    137. 

  137. .modal .meta{font-size:12px;color:#aaa;line-height:1.8}
    138. 

  138. </style>
    139. 

  139. </head>
    140. 

  140. <body>
    141. 

  141. <div class="app">
    142. 

  142. 

  143.   <aside class="sidebar" id="sidebar">
    144. 

  144.     <div class="logo"><img src="/logo.png" alt=""><span class="t">恒达视觉监控平台</span></div>
    145. 

  145.     <nav class="nav">
    146. 

  146.       <div class="nav-item active" data-page="monitor" onclick="switchPage('monitor')"><span class="ico">监</span><span class="nav-label">实时监控</span></div>
    147. 

  147.       <div class="nav-item" data-page="fence" onclick="switchPage('fence')"><span class="ico">围</span><span class="nav-label">电子围栏</span></div>
    148. 

  148.       <div class="nav-item" data-page="alarm" onclick="switchPage('alarm')"><span class="ico">警</span><span class="nav-label">报警历史</span></div>
    149. 

  149.       <div class="nav-item" data-page="action" onclick="switchPage('action')"><span class="ico">动</span><span class="nav-label">动作记录</span></div>
    150. 

  150.       <div class="nav-item" data-page="relay" onclick="switchPage('relay')"><span class="ico">继</span><span class="nav-label">继电器控制</span></div>
    151. 

  151.       <div class="nav-item" data-page="channel" onclick="switchPage('channel')"><span class="ico">通</span><span class="nav-label">通道管理</span></div>
    152. 

  152.       <div class="nav-item" data-page="system" onclick="switchPage('system')"><span class="ico">系</span><span class="nav-label">系统设置</span></div>
    153. 

  153.       <div style="border-top:1px solid #0f3460;margin:8px 12px"></div>
    154. 

  154.       <a class="nav-item" href="/preview.html" style="text-decoration:none"><span class="ico">工</span><span class="nav-label">工位预览</span></a>
    155. 

  155.       <a class="nav-item" href="/config.html" style="text-decoration:none"><span class="ico">设</span><span class="nav-label">工位配置</span></a>
    156. 

  156.     </nav>
    157. 

  157.     <div class="side-foot">
    158. 

  158.       <div class="badge-wrap">
    159. 

  159.         <span id="statusBadge" class="status-badge status-on">在线</span>
    160. 

  160.         <span style="font-size:11px;color:#666" class="nav-label" id="footInfo"></span>
    161. 

  161.       </div>
    162. 

  162.       <button class="collapse-btn" onclick="logout()" style="color:#e94560;border-color:#5a2a35">
    163. 

  163.         退出 (<span id="curUser">-</span>)
    164. 

  164.       </button>
    165. 

  165.       <button class="collapse-btn" onclick="document.body.classList.toggle('rail')">« 收起菜单</button>
    166. 

  166.     </div>
    167. 

  167.   </aside>
    168. 

  168. 

  169.   <main class="content">
    170. 

  170. 

  171.     <section id="page-monitor" class="page active">
    172. 

  172.       <div id="monitorSlot" style="position:absolute;inset:0"></div>
    173. 

  173.       <div class="model-chip" id="modelChip">RKNN | NPU</div>
    174. 

  174.     </section>
    175. 

  175. 

  176.     <section id="page-fence" class="page">
    177. 

  177.       <div class="fence-layout">
    178. 

  178.         <div class="fence-video" id="fenceSlot">
    179. 

  179.           <div class="fence-tools">
    180. 

  180.             <button class="btn btn-primary" onclick="startDraw()">+ 新建围栏</button>
    181. 

  181.             <button class="btn btn-outline" onclick="cancelDraw()">取消绘制</button>
    182. 

  182.             <div class="ch-tabs" id="fenceChTabs"></div>
    183. 

  183.           </div>
    184. 

  184.         </div>
    185. 

  185.         <div class="fence-panel">
    186. 

  186.           <h3 class="sec">当前通道: <span id="curChLabel">-</span></h3>
    187. 

  187.           <div class="hint">点击画面添加顶点, 双击或右键闭合, ESC取消</div>
    188. 

  188.           <div class="fence-list" id="fenceList"></div>
    189. 

  189.         </div>
    190. 

  190.       </div>
    191. 

  191.     </section>
    192. 

  192. 

  193.     <section id="page-alarm" class="page pad">
    194. 

  194.       <div class="card">
    195. 

  195.         <div class="alarm-head">
    196. 

  196.           <h3>报警记录 <span id="alarmCount" style="font-size:12px;color:#888"></span></h3>
    197. 

  197.           <button class="btn btn-danger" style="padding:5px 14px" onclick="clearAlarms()">清空全部</button>
    198. 

  198.         </div>
    199. 

  199.         <div class="filter-bar">
    200. 

  200.           <div class="fitem"><label>摄像头</label>
    201. 

  201.             <select id="fltCh" onchange="loadAlarms()"><option value="">全部</option></select></div>
    202. 

  202.           <div class="fitem"><label>开始时间</label>
    203. 

  203.             <input type="datetime-local" id="fltStart"></div>
    204. 

  204.           <div class="fitem"><label>结束时间</label>
    205. 

  205.             <input type="datetime-local" id="fltEnd"></div>
    206. 

  206.           <div class="fitem"><label>&nbsp;</label>
    207. 

  207.             <button class="btn btn-primary" onclick="loadAlarms()">查询</button></div>
    208. 

  208.           <div class="fitem"><label>&nbsp;</label>
    209. 

  209.             <button class="btn btn-outline" onclick="resetAlarmFilters()">重置</button></div>
    210. 

  210.         </div>
    211. 

  211.         <div id="alarmList"></div>
    212. 

  212.         <div id="alarmEmpty" class="empty-tip" style="height:200px;display:none">暂无符合条件的报警记录</div>
    213. 

  213.       </div>
    214. 

  214.     </section>
    215. 

  215. 

  216.     <section id="page-action" class="page pad">
    217. 

  217.       <div class="card">
    218. 

  218.         <div class="alarm-head">
    219. 

  219.           <h3>继电器动作记录 <span id="actionCount" style="font-size:12px;color:#888"></span></h3>
    220. 

  220.           <button class="btn btn-danger" style="padding:5px 14px" onclick="clearActionHistory()">清空记录</button>
    221. 

  221.         </div>
    222. 

  222.         <div class="hint">与报警历史共享保留周期(检测参数中的"报警保留天数"), 到期自动清理</div>
    223. 

  223.         <table class="rly-tbl" id="actionTbl"></table>
    224. 

  224.         <div id="actionEmpty" class="empty-tip" style="height:180px;display:none">暂无动作记录</div>
    225. 

  225.       </div>
    226. 

  226.     </section>
    227. 

  227. 

  228.     <section id="page-relay" class="page">
    229. 

  229.       <div class="relay-cols">
    230. 

  230.         <div>
    231. 

  231.           <div class="card">
    232. 

  232.             <h3>连接配置</h3>
    233. 

  233.             <div class="form-group">
    234. 

  234.               <label>设备IP</label>
    235. 

  235.               <input type="text" id="rlyHost" value="192.168.1.253">
    236. 

  236.             </div>
    237. 

  237.             <div style="display:flex;gap:10px">
    238. 

  238.               <div class="form-group" style="flex:1"><label>端口</label><input type="number" id="rlyPort" min="1" max="65535" value="1030" style="width:100%"></div>
    239. 

  239.               <div class="form-group" style="flex:1"><label>设备地址</label><input type="number" id="rlyAddr" min="0" max="254" value="1" style="width:100%"></div>
    240. 

  240.             </div>
    241. 

  241.             <div id="relayOnline" style="font-size:13px;margin-bottom:10px">设备状态: <span style="color:#e74c3c">离线</span></div>
    242. 

  242.           </div>
    243. 

  243.           <div class="card">
    244. 

  244.             <h3>报警策略</h3>
    245. 

  245.             <div style="display:flex;gap:10px">
    246. 

  246.               <div class="form-group" style="flex:1"><label>脉冲时长(秒)</label><input type="number" id="rlyPulse" min="1" max="3600" value="3" style="width:100%"></div>
    247. 

  247.               <div class="form-group" style="flex:1"><label>回合上限(秒,0不限)</label><input type="number" id="rlyMaxSec" min="0" max="3600" value="30" style="width:100%"></div>
    248. 

  248.               <div class="form-group" style="flex:1"><label>重新武装(秒)</label><input type="number" id="rlyRearm" min="1" max="600" value="10" style="width:100%"></div>
    249. 

  249.             </div>
    250. 

  250.             <div class="hint">报警出现立即输出一个脉冲; 状态持续则每脉冲时长重复, 单回合累计达上限后静默;
    251. 

  251.             目标消除/DI复位持续重新武装秒数后恢复判断. 围栏与输入联动共用.</div>
    252. 

  252.             <div class="btn-row" style="margin-top:0">
    253. 

  253.               <button class="btn btn-primary" onclick="saveRelayConfig()">保存配置</button>
    254. 

  254.             </div>
    255. 

  255.           </div>
    256. 

  256.         </div>
    257. 

  257.         <div>
    258. 

  258.           <div class="card">
    259. 

  259.             <h3>输出控制 Y1-Y8</h3>
    260. 

  260.             <div class="hint">状态列点击手动开关(周期模式通道会自动切回正常); 周期交替按间隔反复开闭; 测试=以该行参数运行周期交替6秒</div>
    261. 

  261.             <table class="rly-tbl" id="ymodeTbl"></table>
    262. 

  262.             <div class="btn-row"><button class="btn btn-primary" onclick="saveYModes()">保存输出模式</button></div>
    263. 

  263.           </div>
    264. 

  264.           <div class="card">
    265. 

  265.             <h3>输入联动矩阵</h3>
    266. 

  266.             <div class="hint">左侧灯=X实时信号(亮=有信号); 勾选Y=该输入触发哪些输出</div>
    267. 

  267.             <table class="rly-tbl" id="bindTbl"></table>
    268. 

  268.             <div class="btn-row"><button class="btn btn-primary" onclick="saveBindings()">保存联动绑定</button></div>
    269. 

  269.           </div>
    270. 

  270.           <div class="card">
    271. 

  271.             <h3>通道别名</h3>
    272. 

  272.             <div class="hint">用于各处显示与动作记录, 留空显示默认编号; 修改后点保存</div>
    273. 

  273.             <table class="rly-tbl" id="aliasTbl"></table>
    274. 

  274.             <div class="btn-row"><button class="btn btn-primary" onclick="saveAliases()">保存别名</button></div>
    275. 

  275.           </div>
    276. 

  276.         </div>
    277. 

  277.       </div>
    278. 

  278.     </section>
    279. 

  279. 

  280.     <section id="page-channel" class="page pad">
    281. 

  281.       <div class="card">
    282. 

  282.         <h3>视频通道 <span id="chCount" style="font-size:12px;color:#888"></span></h3>
    283. 

  283.         <div id="channelList"></div>
    284. 

  284.         <div class="btn-row" style="margin-top:14px">
    285. 

  285.           <button class="btn btn-primary" onclick="openChForm(-1)">+ 添加通道</button>
    286. 

  286.         </div>
    287. 

  287.       </div>
    288. 

  288.       <div class="card" id="chFormCard" style="display:none">
    289. 

  289.         <h3 id="chFormTitle">添加通道</h3>
    290. 

  290.         <div class="form-group"><label>名称</label><input type="text" id="chName" placeholder="例: 大门北侧"></div>
    291. 

  291.         <div class="form-group"><label>RTSP地址</label><input type="text" id="chUrl" placeholder="rtsp://user:pass@ip:554/stream"></div>
    292. 

  292.         <div id="chTestResult" style="font-size:12px;color:#888;margin-bottom:8px"></div>
    293. 

  293.         <div class="btn-row" style="margin-top:0">
    294. 

  294.           <button class="btn btn-outline" onclick="testChUrl()">测试连接</button>
    295. 

  295.           <button class="btn btn-primary" onclick="saveChForm()">保存</button>
    296. 

  296.           <button class="btn btn-outline" onclick="closeChForm()">取消</button>
    297. 

  297.         </div>
    298. 

  298.       </div>
    299. 

  299.     </section>
    300. 

  300. 

  301.     <section id="page-system" class="page">
    302. 

  302.       <div class="sys-wrap">
    303. 

  303.         <div class="card">
    304. 

  304.           <h3>检测参数</h3>
    305. 

  305.           <div style="display:flex;gap:10px">
    306. 

  306.             <div class="form-group" style="flex:1"><label>跳帧数(N帧推理一次)</label><input type="number" id="cfgSkip" min="0" max="30" value="3"></div>
    307. 

  307.             <div class="form-group" style="flex:1"><label>置信度阈值</label><input type="number" id="cfgConf" min="0.1" max="1" step="0.05" value="0.35"></div>
    308. 

  308.             <div class="form-group" style="flex:1"><label>报警保留天数</label><input type="number" id="cfgRetention" min="1" max="3650" value="30"></div>
    309. 

  309.           </div>
    310. 

  310.           <div class="form-group">
    311. 

  311.             <label>入侵目标 (勾选后进入围栏才报警)</label>
    312. 

  312.             <div id="targetList" style="display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px"></div>
    313. 

  313.           </div>
    314. 

  314.           <div class="btn-row" style="margin-top:0">
    315. 

  315.             <button class="btn btn-primary" onclick="saveConfig()">保存参数</button>
    316. 

  316.           </div>
    317. 

  317.         </div>
    318. 

  318.         <div class="card">
    319. 

  319.           <h3>系统配置</h3>
    320. 

  320.           <div style="display:flex;gap:10px;flex-wrap:wrap">
    321. 

  321.             <div class="form-group" style="flex:1;min-width:180px"><label><input type="checkbox" id="sysTargetEnabled"> 是否启用目标识别</label></div>
    322. 

  322.             <div class="form-group" style="flex:1;min-width:180px"><label><input type="checkbox" id="sysPoseEnabled"> 是否启用姿态识别</label></div>
    323. 

  323.           </div>
    324. 

  324.           <div style="display:flex;gap:10px;flex-wrap:wrap">
    325. 

  325.             <div class="form-group" style="flex:1;min-width:180px"><label>输出通道网格到显示器</label><select id="sysGridOutput"><option value="true">启用</option><option value="false">禁用</option></select></div>
    326. 

  326.             <div class="form-group" style="flex:1;min-width:180px"><label>输出钢包位到显示器</label><select id="sysSteelOutput"><option value="true">启用</option><option value="false">禁用</option></select></div>
    327. 

  327.             <div class="form-group" style="flex:1;min-width:180px"><label>Web视频推流(MJPEG)</label><select id="sysMjpegEnabled" onchange="toggleSystemMjpeg()"><option value="true">启用</option><option value="false">临时关闭(省CPU)</option></select></div>
    328. 

  328.           </div>
    329. 

  329.           <div class="btn-row" style="margin-top:0"><button class="btn btn-primary" onclick="saveSystemOptions()">保存系统配置</button></div>
    330. 

  330.         </div>
    331. 

  331.         <div class="card">
    332. 

  332.           <h3>自动重启</h3>
    333. 

  333.           <div class="form-group" style="display:flex;align-items:center;gap:8px;margin-bottom:8px">
    334. 

  334.             <input type="checkbox" id="sysRebootEn">
    335. 

  335.             <label for="sysRebootEn" style="margin:0;font-weight:bold;color:#eee;cursor:pointer">启用自动重启</label>
    336. 

  336.           </div>
    337. 

  337.           <div style="display:flex;gap:10px">
    338. 

  338.             <div class="form-group" style="flex:1"><label>重启周期(每N天)</label><input type="number" id="sysRebootCycle" min="1" max="365" value="1"></div>
    339. 

  339.             <div class="form-group" style="flex:1"><label>重启时间</label><input type="time" id="sysRebootTime" value="03:30"></div>
    340. 

  340.           </div>
    341. 

  341.           <div class="btn-row" style="margin-top:0">
    342. 

  342.             <button class="btn btn-primary" onclick="saveSystemConfig()">保存自动重启</button>
    343. 

  343.           </div>
    344. 

  344.         </div>
    345. 

  345.         <div class="card">
    346. 

  346.           <h3>密码管理</h3>
    347. 

  347.           <div class="form-group">
    348. 

  348.             <label>原密码</label>
    349. 

  349.             <input type="password" id="pwdOld" autocomplete="current-password">
    350. 

  350.           </div>
    351. 

  351.           <div style="display:flex;gap:10px">
    352. 

  352.             <div class="form-group" style="flex:1"><label>新用户名(不改请留空)</label><input type="text" id="pwdNewUser" placeholder="留空保持不变"></div>
    353. 

  353.             <div class="form-group" style="flex:1"><label>新密码</label><input type="password" id="pwdNew1" autocomplete="new-password"></div>
    354. 

  354.             <div class="form-group" style="flex:1"><label>确认新密码</label><input type="password" id="pwdNew2" autocomplete="new-password"></div>
    355. 

  355.           </div>
    356. 

  356.           <div class="btn-row" style="margin-top:0">
    357. 

  357.             <button class="btn btn-primary" onclick="changePassword()">修改凭据</button>
    358. 

  358.           </div>
    359. 

  359.         </div>
    360. 

  360.         <div class="card">
    361. 

  361.           <h3>设备操作</h3>
    362. 

  362.           <div class="hint">重启期间视频流将中断约1-2分钟</div>
    363. 

  363.           <div class="btn-row" style="margin-top:0">
    364. 

  364.             <button class="btn btn-danger" onclick="rebootNow()">立即重启设备</button>
    365. 

  365.           </div>
    366. 

  366.         </div>
    367. 

  367.       </div>
    368. 

  368.     </section>
    369. 

  369. 

  370.     <div id="pip">
    371. 

  371.       <img id="pipImg" alt="">
    372. 

  372.       <div class="pip-bar">
    373. 

  373.         <span>预览 <b id="pipLabel">-</b></span>
    374. 

  374.         <span><button onclick="pipPrev()">‹</button><button onclick="pipNext()">›</button><button onclick="pipRefresh()">↻</button></span>
    375. 

  375.       </div>
    376. 

  376.     </div>
    377. 

  377.   </main>
    378. 

  378. </div>
    379. 

  379. 

  380. <div id="videoStage" data-mode="grid" style="display:none">
    381. 

  381.   <div id="gridWrap" style="position:absolute;inset:0;display:grid;gap:2px"></div>
    382. 

  382.   <div id="singleWrap" style="position:absolute;inset:0;display:none;background:#000">
    383. 

  383.     <div class="vcell" id="singleCell" style="position:absolute;inset:0"></div>
    384. 

  384.   </div>
    385. 

  385.   <canvas id="fenceCanvas" style="position:absolute;inset:0;width:100%;height:100%;z-index:5;cursor:crosshair"></canvas>
    386. 

  386.   <div class="info-bar">
    387. 

  387.     <span>通道: <span class="val" id="infoCh">-</span></span>
    388. 

  388.     <span>围栏: <span class="val" id="infoFences">0</span></span>
    389. 

  389.     <span>鼠标: <span class="val" id="infoMouse">-</span></span>
    390. 

  390.   </div>
    391. 

  391. </div>
    392. 

  392. 

  393. <div class="modal-overlay" id="renameModal">
    394. 

  394.   <div class="modal" style="width:400px">
    395. 

  395.     <h3>围栏命名</h3>
    396. 

  396.     <div class="form-group"><label>名称</label><input type="text" id="fenceNameInput" placeholder="例: 入口区域"></div>
    397. 

  397.     <div class="btn-row"><button class="btn btn-primary" onclick="confirmRename()">确定</button>
    398. 

  398.     <button class="btn btn-outline" onclick="document.getElementById('renameModal').classList.remove('show')">取消</button></div>
    399. 

  399.   </div>
    400. 

  400. </div>
    401. 

  401. 

  402. <div class="modal-overlay" id="bindModal">
    403. 

  403.   <div class="modal" style="width:400px">
    404. 

  404.     <h3>围栏绑定输出 - <span id="bindFenceName"></span></h3>
    405. 

  405.     <div style="font-size:12px;color:#888;margin-bottom:10px">该围栏报警时闭合勾选的继电器, 脉冲时长后自动断开</div>
    406. 

  406.     <div id="bindYList" style="display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:14px;font-size:13px"></div>
    407. 

  407.     <div class="btn-row">
    408. 

  408.       <button class="btn btn-primary" onclick="confirmFenceBind()">确定</button>
    409. 

  409.       <button class="btn btn-outline" onclick="document.getElementById('bindModal').classList.remove('show')">取消</button>
    410. 

  410.     </div>
    411. 

  411.   </div>
    412. 

  412. </div>
    413. 

  413. 

  414. <div class="modal-overlay" id="alarmModal">
    415. 

  415.   <div class="modal">
    416. 

  416.     <h3>报警详情</h3>
    417. 

  417.     <img id="alarmScreenshot" src="">
    418. 

  418.     <div class="meta" id="alarmMeta"></div>
    419. 

  419.     <div class="btn-row"><button class="btn btn-outline" onclick="closeAlarmModal()">关闭</button></div>
    420. 

  420.   </div>
    421. 

  421. </div>
    422. 

  422. 

  423. <script>
    424. 

  424. /* ================= 页面切换 ================= */
    425. 

  425. let curPage = 'monitor';
    426. 

  426. let stageMode = 'grid';
    427. 

  427. 

  428. function switchPage(p) {
    429. 

  429.   curPage = p;
    430. 

  430.   document.querySelectorAll('.page').forEach(s => s.classList.toggle('active', s.id === 'page-' + p));
    431. 

  431.   document.querySelectorAll('.nav-item').forEach(n => n.classList.toggle('active', n.dataset.page === p));
    432. 

  432.   const stage = document.getElementById('videoStage');
    433. 

  433.   const onVideoPage = (p === 'monitor' || p === 'fence');
    434. 

  434.   if (onVideoPage) {
    435. 

  435.     const host = (p === 'monitor') ? document.getElementById('monitorSlot')
    436. 

  436.                                    : document.getElementById('fenceSlot');
    437. 

  437.     host.appendChild(stage);
    438. 

  438.     stage.style.display = 'block';
    439. 

  439.     setStageMode(p === 'monitor' ? 'grid' : 'single');
    440. 

  440.     setTimeout(resizeCanvas, 80);
    441. 

  441.   } else {
    442. 

  442.     stage.style.display = 'none';
    443. 

  443.   }
    444. 

  444.   const pip = document.getElementById('pip');
    445. 

  445.   const showPip = (p !== 'monitor' && p !== 'fence');
    446. 

  446.   pip.style.display = showPip ? 'block' : 'none';
    447. 

  447.   if (showPip && pipCh < 0 && CHANNELS.length) {
    448. 

  448.     pipCh = CHANNELS[0].id;
    449. 

  449.     document.getElementById('pipLabel').textContent = 'CH' + pipCh;
    450. 

  450.   }
    451. 

  451.   if (p === 'alarm') loadAlarms();
    452. 

  452.   if (p === 'action') loadActions();
    453. 

  453.   if (p === 'relay') { loadRelayStatus(); loadBindings(); }
    454. 

  454.   if (p === 'channel') renderChannelList();
    455. 

  455.   applyStreamPolicy();
    456. 

  456. }
    457. 

  457. 

  458. function setStageMode(m) {
    459. 

  459.   if (stageMode === m) return;
    460. 

  460.   stageMode = m;
    461. 

  461.   document.getElementById('videoStage').dataset.mode = m;
    462. 

  462.   document.getElementById('gridWrap').style.display = (m === 'grid') ? 'grid' : 'none';
    463. 

  463.   document.getElementById('singleWrap').style.display = (m === 'grid') ? 'none' : 'block';
    464. 

  464.   document.getElementById('fenceCanvas').style.pointerEvents = (m === 'single') ? 'auto' : 'none';
    465. 

  465.   if (m !== 'single') cancelDraw();
    466. 

  466.   draw();   // 切换模式时刷新画布(网格模式下清空残留绘制)
    467. 

  467.   placeStreams();
    468. 

  468. }
    469. 

  469. 

  470. /* ================= 通道数据与视频流 ================= */
    471. 

  471. let CHANNELS = [];
    472. 

  472. let curChannel = -1;
    473. 

  473. let cellSig = '', tabSig = '';
    474. 

  474. const desired = {};
    475. 

  475. let pipCh = -1;
    476. 

  476. 

  477. function chById(id) { return CHANNELS.find(c => c.id === id); }
    478. 

  478. 

  479. function syncChannels(list) {
    480. 

  480.   CHANNELS = list;
    481. 

  481.   if (!list.find(c => c.id === curChannel)) curChannel = list.length ? list[0].id : -1;
    482. 

  482.   rebuildCells();
    483. 

  483.   renderFenceTabs();
    484. 

  484.   renderChannelList();
    485. 

  485.   syncAlarmFilterOptions();
    486. 

  486.   layoutGrid();
    487. 

  487.   placeStreams();
    488. 

  488.   updateCellStates();
    489. 

  489.   applyStreamPolicy();
    490. 

  490.   draw();
    491. 

  491.   const on = list.filter(c => c.online).length;
    492. 

  492.   document.getElementById('footInfo').textContent =
    493. 

  493.     (on ? on : 0) + '/' + list.length + ' 路在线';
    494. 

  494. }
    495. 

  495. 

  496. function rebuildCells() {
    497. 

  497.   const gw = document.getElementById('gridWrap');
    498. 

  498.   const sig = CHANNELS.map(c => c.id + ':' + c.name).join('|');
    499. 

  499.   if (sig === cellSig) return;
    500. 

  500.   cellSig = sig;
    501. 

  501.   gw.innerHTML = '';
    502. 

  502.   if (!CHANNELS.length) {
    503. 

  503.     gw.innerHTML = '<div class="empty-tip" style="grid-column:1/-1">暂无视频通道, 请到「通道管理」添加</div>';
    504. 

  504.     return;
    505. 

  505.   }
    506. 

  506.   CHANNELS.forEach(c => {
    507. 

  507.     const cell = document.createElement('div');
    508. 

  508.     cell.className = 'vcell';
    509. 

  509.     cell.dataset.ch = c.id;
    510. 

  510.     const tag = document.createElement('div');
    511. 

  511.     tag.className = 'tag';
    512. 

  512.     tag.textContent = 'CH' + c.id + ' ' + c.name;
    513. 

  513.     const img = document.createElement('img');
    514. 

  514.     img.className = 'stream';
    515. 

  515.     img.dataset.ch = c.id;
    516. 

  516.     img.addEventListener('error', () => {
    517. 

  517.       if (desired[c.id]) setTimeout(() => { if (desired[c.id]) connectStream(c.id); }, 1500);
    518. 

  518.     });
    519. 

  519.     cell.appendChild(img);
    520. 

  520.     cell.appendChild(tag);
    521. 

  521.     gw.appendChild(cell);
    522. 

  522.   });
    523. 

  523. }
    524. 

  524. 

  525. function updateCellStates() {
    526. 

  526.   CHANNELS.forEach(c => {
    527. 

  527.     const cell = document.querySelector('.vcell[data-ch="' + c.id + '"]');
    528. 

  528.     if (cell) cell.classList.toggle('offline', !c.online);
    529. 

  529.   });
    530. 

  530. }
    531. 

  531. 

  532. function imgOf(id) {
    533. 

  533.   return document.querySelector(
    534. 

  534.     '#singleCell .stream[data-ch="' + id + '"], #gridWrap .stream[data-ch="' + id + '"]');
    535. 

  535. }
    536. 

  536. 

  537. function placeStreams() {
    538. 

  538.   if (stageMode === 'single') {
    539. 

  539.     const img = imgOf(curChannel);
    540. 

  540.     if (img) document.getElementById('singleCell').appendChild(img);
    541. 

  541.   } else {
    542. 

  542.     CHANNELS.forEach(c => {
    543. 

  543.       const cell = document.querySelector('#gridWrap .vcell[data-ch="' + c.id + '"]');
    544. 

  544.       const img = imgOf(c.id);
    545. 

  545.       if (cell && img) cell.insertBefore(img, cell.firstChild);
    546. 

  546.     });
    547. 

  547.   }
    548. 

  548. }
    549. 

  549. 

  550. function renderFenceTabs() {
    551. 

  551.   const el = document.getElementById('fenceChTabs');
    552. 

  552.   const sig = CHANNELS.map(c => c.id + ':' + c.online).join('|') + '|' + curChannel;
    553. 

  553.   if (sig === tabSig) return;
    554. 

  554.   tabSig = sig;
    555. 

  555.   el.innerHTML = CHANNELS.map(c =>
    556. 

  556.     `<div class="ch-tab ${c.id===curChannel?'active':''} ${c.online?'':'offline'}" data-ch="${c.id}" onclick="selectChannel(${c.id})">CH${c.id}</div>`
    557. 

  557.   ).join('');
    558. 

  558. }
    559. 

  559. 

  560. function selectChannel(id) {
    561. 

  561.   if (!chById(id)) return;
    562. 

  562.   curChannel = id;
    563. 

  563.   tabSig = '';
    564. 

  564.   renderFenceTabs();
    565. 

  565.   placeStreams();
    566. 

  566.   applyStreamPolicy();
    567. 

  567.   document.getElementById('curChLabel').textContent = 'CH' + id + ' ' + (chById(id).name || '');
    568. 

  568.   document.getElementById('infoCh').textContent = id;
    569. 

  569.   renderFenceList();
    570. 

  570.   draw();
    571. 

  571.   loadChannelSize();
    572. 

  572. }
    573. 

  573. 

  574. function layoutGrid() {
    575. 

  575.   const n = CHANNELS.length;
    576. 

  576.   const cols = n <= 1 ? '1fr' : n <= 4 ? 'repeat(2, 1fr)' : 'repeat(3, 1fr)';
    577. 

  577.   const gw = document.getElementById('gridWrap');
    578. 

  578.   gw.style.gridTemplateColumns = cols;
    579. 

  579.   gw.style.gridAutoRows = n <= 1 ? '100%' : '50%';
    580. 

  580. }
    581. 

  581. 

  582. function connectStream(id) {
    583. 

  583.   const img = imgOf(id);
    584. 

  584.   if (!img || img.dataset.on === '1') return;
    585. 

  585.   img.src = '/mjpeg/' + id + '?t=' + Date.now();
    586. 

  586.   img.dataset.on = '1';
    587. 

  587. }
    588. 

  588. function disconnectStream(id) {
    589. 

  589.   const img = imgOf(id);
    590. 

  590.   if (!img || img.dataset.on !== '1') return;
    591. 

  591.   img.removeAttribute('src');
    592. 

  592.   img.dataset.on = '0';
    593. 

  593. }
    594. 

  594. 

  595. function applyStreamPolicy() {
    596. 

  596.   const videoVisible = (curPage === 'monitor' || curPage === 'fence');
    597. 

  597.   CHANNELS.forEach(c => {
    598. 

  598.     let want = videoVisible && ((stageMode === 'grid') || c.id === curChannel);
    599. 

  599.     desired[c.id] = want;
    600. 

  600.     if (want) connectStream(c.id); else disconnectStream(c.id);
    601. 

  601.   });
    602. 

  602.   const pipOn = document.getElementById('pip').style.display === 'block';
    603. 

  603.   const pi = document.getElementById('pipImg');
    604. 

  604.   if (pipOn && pipCh >= 0 && chById(pipCh)) {
    605. 

  605.     if (pi.dataset.on !== '1') {
    606. 

  606.       pi.src = '/mjpeg/' + pipCh + '?t=' + Date.now();
    607. 

  607.       pi.dataset.on = '1';
    608. 

  608.     }
    609. 

  609.   } else if (pi.dataset.on === '1') {
    610. 

  610.     pi.removeAttribute('src');
    611. 

  611.     pi.dataset.on = '0';
    612. 

  612.   }
    613. 

  613. }
    614. 

  614. 

  615. function pipCycle(d) {
    616. 

  616.   if (!CHANNELS.length) return;
    617. 

  617.   let idx = CHANNELS.findIndex(c => c.id === pipCh);
    618. 

  618.   idx = idx < 0 ? 0 : (idx + d + CHANNELS.length) % CHANNELS.length;
    619. 

  619.   pipCh = CHANNELS[idx].id;
    620. 

  620.   document.getElementById('pipLabel').textContent = 'CH' + pipCh;
    621. 

  621.   const pi = document.getElementById('pipImg');
    622. 

  622.   pi.dataset.on = '0';
    623. 

  623.   applyStreamPolicy();
    624. 

  624. }
    625. 

  625. function pipNext() { pipCycle(1); }
    626. 

  626. function pipPrev() { pipCycle(-1); }
    627. 

  627. function pipRefresh() {
    628. 

  628.   const pi = document.getElementById('pipImg');
    629. 

  629.   pi.dataset.on = '0';
    630. 

  630.   applyStreamPolicy();
    631. 

  631. }
    632. 

  632. 

  633. /* ================= 通道管理 ================= */
    634. 

  634. function renderChannelList() {
    635. 

  635.   const el = document.getElementById('channelList');
    636. 

  636.   document.getElementById('chCount').textContent = CHANNELS.length + '/8 路';
    637. 

  637.   el.innerHTML = CHANNELS.map(c => `
    638. 

  638.     <div class="ch-card">
    639. 

  639.       <div class="info">
    640. 

  640.         <span class="nm">CH${c.id} - ${c.name}</span>
    641. 

  641.         <span class="pill ${c.online ? 'pill-on' : 'pill-off'}">${c.online ? '在线' : '离线'}</span>
    642. 

  642.         <div class="url">${c.url}</div>
    643. 

  643.       </div>
    644. 

  644.       <div class="ops">
    645. 

  645.         <button class="btn btn-outline" onclick="openChForm(${c.id})">编辑</button>
    646. 

  646.         <button class="btn btn-danger" onclick="deleteChannel(${c.id})">删除</button>
    647. 

  647.       </div>
    648. 

  648.     </div>`).join('') ||
    649. 

  649.     '<div style="color:#666;font-size:13px;text-align:center;padding:16px">暂无通道, 点击下方按钮添加</div>';
    650. 

  650. }
    651. 

  651. 

  652. let chEditingId = -1;
    653. 

  653. 

  654. function openChForm(id) {
    655. 

  655.   chEditingId = id;
    656. 

  656.   const editing = id >= 0 ? chById(id) : null;
    657. 

  657.   document.getElementById('chFormTitle').textContent = editing ? ('编辑通道 CH' + id) : '添加通道';
    658. 

  658.   document.getElementById('chName').value = editing ? editing.name : '';
    659. 

  659.   document.getElementById('chUrl').value = editing ? editing.url : 'rtsp://';
    660. 

  660.   const res = document.getElementById('chTestResult');
    661. 

  661.   res.textContent = (CHANNELS.length >= 8 && !editing) ? '已达最大通道数8路, 请先删除' : '';
    662. 

  662.   res.style.color = '#888';
    663. 

  663.   document.getElementById('chFormCard').style.display = 'block';
    664. 

  664. }
    665. 

  665. 

  666. function closeChForm() { document.getElementById('chFormCard').style.display = 'none'; }
    667. 

  667. 

  668. async function testChUrl() {
    669. 

  669.   const url = document.getElementById('chUrl').value.trim();
    670. 

  670.   const out = document.getElementById('chTestResult');
    671. 

  671.   out.style.color = '#888';
    672. 

  672.   out.textContent = '测试中...';
    673. 

  673.   try {
    674. 

  674.     const r = await fetch('/api/channels/test', {
    675. 

  675.       method: 'POST', headers: {'Content-Type': 'application/json'},
    676. 

  676.       body: JSON.stringify({url})
    677. 

  677.     });
    678. 

  678.     const d = await r.json();
    679. 

  679.     out.textContent = d.ok ? ('连接成功: ' + (d.host || '')) : ('失败: ' + (d.error || '无法连接'));
    680. 

  680.     out.style.color = d.ok ? '#27ae60' : '#e74c3c';
    681. 

  681.   } catch (e) { out.textContent = '请求失败'; }
    682. 

  682. }
    683. 

  683. 

  684. async function saveChForm() {
    685. 

  685.   const name = document.getElementById('chName').value.trim();
    686. 

  686.   const url = document.getElementById('chUrl').value.trim();
    687. 

  687.   if (!name) { alert('请输入名称'); return; }
    688. 

  688.   if (!url.startsWith('rtsp://')) { alert('RTSP地址必须以 rtsp:// 开头'); return; }
    689. 

  689.   const body = {name, url};
    690. 

  690.   if (chEditingId >= 0) body.id = chEditingId;
    691. 

  691.   try {
    692. 

  692.     const r = await fetch('/api/channels/save', {
    693. 

  693.       method: 'POST', headers: {'Content-Type': 'application/json'},
    694. 

  694.       body: JSON.stringify(body)
    695. 

  695.     });
    696. 

  696.     const d = await r.json();
    697. 

  697.     if (d.ok) { closeChForm(); loadStatus(); }
    698. 

  698.     else alert(d.error || '保存失败');
    699. 

  699.   } catch (e) { alert('保存失败'); }
    700. 

  700. }
    701. 

  701. 

  702. async function deleteChannel(id) {
    703. 

  703.   const c = chById(id);
    704. 

  704.   if (!confirm('删除通道 CH' + id + ' ' + (c ? c.name : '') + '?\n其围栏配置将保留')) return;
    705. 

  705.   try {
    706. 

  706.     const r = await fetch('/api/channels/delete', {
    707. 

  707.       method: 'POST', headers: {'Content-Type': 'application/json'},
    708. 

  708.       body: JSON.stringify({id})
    709. 

  709.     });
    710. 

  710.     const d = await r.json();
    711. 

  711.     if (d.ok) loadStatus(); else alert(d.error || '删除失败');
    712. 

  712.   } catch (e) { alert('删除失败'); }
    713. 

  713. }
    714. 

  714. 

  715. /* ================= 围栏绘制与列表 ================= */
    716. 

  716. const canvas = document.getElementById('fenceCanvas');
    717. 

  717. const ctx = canvas.getContext('2d');
    718. 

  718. let fences = {};
    719. 

  719. let drawing = false;
    720. 

  720. let tempPoints = [];
    721. 

  721. let imgW = 640, imgH = 360;
    722. 

  722. let viewS = 1, viewOX = 0, viewOY = 0;
    723. 

  723. let renameIdx = -1;
    724. 

  724. 

  725. function resizeCanvas() {
    726. 

  726.   const r = canvas.parentElement.getBoundingClientRect();
    727. 

  727.   if (r.width === 0) return;
    728. 

  728.   canvas.width = r.width;
    729. 

  729.   canvas.height = r.height;
    730. 

  730.   updateView();
    731. 

  731. }
    732. 

  732. function updateView() {
    733. 

  733.   viewS = Math.min(canvas.width / imgW, canvas.height / imgH);
    734. 

  734.   viewOX = (canvas.width - imgW * viewS) / 2;
    735. 

  735.   viewOY = (canvas.height - imgH * viewS) / 2;
    736. 

  736.   draw();
    737. 

  737. }
    738. 

  738. window.addEventListener('resize', resizeCanvas);
    739. 

  739. 

  740. function startDraw() {
    741. 

  741.   if (!chById(curChannel)) { alert('暂无通道'); return; }
    742. 

  742.   drawing = true;
    743. 

  743.   tempPoints = [];
    744. 

  744.   draw();
    745. 

  745. }
    746. 

  746. function cancelDraw() {
    747. 

  747.   drawing = false;
    748. 

  748.   tempPoints = [];
    749. 

  749.   draw();
    750. 

  750. }
    751. 

  751. 

  752. function fenceColor(f, alpha) {
    753. 

  753.   const a = alpha || 1;
    754. 

  754.   if (!f.active) return `rgba(128,128,128,${a})`;
    755. 

  755.   const hue = (f.id * 47) % 360;
    756. 

  756. }
    757. 

  757. 

  758. function draw() {
    759. 

  759.   ctx.clearRect(0, 0, canvas.width, canvas.height);
    760. 

  760.   // 网格(监控)模式不画
    761. 

  761.   if (stageMode !== 'single') return;
    762. 

  762.   // 已保存的围栏由服务端叠加进视频流(半透明),
    763. 

  763.   // 前端只绘制"正在绘制中"的临时顶点, 避免两层叠加导致区域发暗不透明
    764. 

  764.   ctx.save();
    765. 

  765.   ctx.setTransform(viewS, 0, 0, viewS, viewOX, viewOY);
    766. 

  766.   if (tempPoints.length > 0) {
    767. 

  767.     ctx.beginPath();
    768. 

  768.     ctx.moveTo(tempPoints[0][0], tempPoints[0][1]);
    769. 

  769.     for (let i = 1; i < tempPoints.length; i++)
    770. 

  770.       ctx.lineTo(tempPoints[i][0], tempPoints[i][1]);
    771. 

  771.     ctx.strokeStyle = '#e94560';
    772. 

  772.     ctx.lineWidth = 2 / viewS;
    773. 

  773.     ctx.setLineDash([6/viewS, 4/viewS]);
    774. 

  774.     ctx.stroke();
    775. 

  775.     ctx.setLineDash([]);
    776. 

  776.     tempPoints.forEach(p => {
    777. 

  777.       ctx.beginPath();
    778. 

  778.       ctx.arc(p[0], p[1], 5/viewS, 0, Math.PI*2);
    779. 

  779.       ctx.fillStyle = '#e94560';
    780. 

  780.       ctx.fill();
    781. 

  781.     });
    782. 

  782.   }
    783. 

  783.   ctx.restore();
    784. 

  784.   document.getElementById('infoFences').textContent =
    785. 

  785.     (fences[curChannel] || []).length;
    786. 

  786. }
    787. 

  787. 

  788. function canvasToImg(e) {
    789. 

  789.   const r = canvas.getBoundingClientRect();
    790. 

  790.   const x = (e.clientX - r.left - viewOX) / viewS;
    791. 

  791.   const y = (e.clientY - r.top - viewOY) / viewS;
    792. 

  792.   return [Math.round(x), Math.round(y)];
    793. 

  793. }
    794. 

  794. 

  795. canvas.addEventListener('mousemove', e => {
    796. 

  796.   if (!chById(curChannel)) return;
    797. 

  797.   const [x, y] = canvasToImg(e);
    798. 

  798.   document.getElementById('infoMouse').textContent = `${x}, ${y}`;
    799. 

  799. });
    800. 

  800. canvas.addEventListener('click', e => {
    801. 

  801.   if (!drawing) return;
    802. 

  802.   tempPoints.push(canvasToImg(e));
    803. 

  803.   draw();
    804. 

  804. });
    805. 

  805. canvas.addEventListener('dblclick', () => {
    806. 

  806.   if (!drawing || tempPoints.length < 3) return;
    807. 

  807.   finishDraw();
    808. 

  808. });
    809. 

  809. canvas.addEventListener('contextmenu', e => {
    810. 

  810.   e.preventDefault();
    811. 

  811.   if (!drawing || tempPoints.length < 3) return;
    812. 

  812.   finishDraw();
    813. 

  813. });
    814. 

  814. document.addEventListener('keydown', e => {
    815. 

  815.   if (e.key === 'Escape' && drawing) cancelDraw();
    816. 

  816. });
    817. 

  817. 

  818. function finishDraw() {
    819. 

  819.   drawing = false;
    820. 

  820.   if (!fences[curChannel]) fences[curChannel] = [];
    821. 

  821.   fences[curChannel].push({
    822. 

  822.     id: Date.now() % 100000,
    823. 

  823.     name: 'Fence' + (fences[curChannel].length + 1),
    824. 

  824.     active: true,
    825. 

  825.     relays: [],
    826. 

  826.     polygon: tempPoints
    827. 

  827.   });
    828. 

  828.   tempPoints = [];
    829. 

  829.   saveFences(); draw(); renderFenceList();
    830. 

  830. }
    831. 

  831. 

  832. function renderFenceList() {
    833. 

  833.   const el = document.getElementById('fenceList');
    834. 

  834.   const chFences = fences[curChannel] || [];
    835. 

  835.   el.innerHTML = chFences.map((f, i) => `
    836. 

  836.     <div class="fence-item" style="border-left-color:${fenceColor(f)}">
    837. 

  837.       <div style="display:flex;justify-content:space-between;align-items:center">
    838. 

  838.         <span class="name">${f.name}</span>
    839. 

  839.         <span style="font-size:11px;color:${f.active?'#27ae60':'#888'}">${f.active?'启用':'禁用'}</span>
    840. 

  840.       </div>
    841. 

  841.       <div class="pts">${f.polygon.length}个顶点 - 绑定${(f.relays||[]).length ? f.relays.map(r=>'Y'+parseInt(r.slice(1))).join(',') : '无'}</div>
    842. 

  842.       <div class="actions">
    843. 

  843.         <button class="btn btn-outline" onclick="toggleFence(${i})">${f.active?'禁用':'启用'}</button>
    844. 

  844.         <button class="btn btn-outline" onclick="renameFence(${i})">命名</button>
    845. 

  845.         <button class="btn btn-outline" onclick="openFenceBind(${i})">绑定</button>
    846. 

  846.         <button class="btn btn-danger" onclick="deleteFence(${i})">删除</button>
    847. 

  847.       </div>
    848. 

  848.     </div>`).join('') ||
    849. 

  849.     '<div style="color:#666;font-size:12px;text-align:center;padding:14px">该通道暂无围栏</div>';
    850. 

  850. }
    851. 

  851. 

  852. function toggleFence(i) {
    853. 

  853.   fences[curChannel][i].active = !fences[curChannel][i].active;
    854. 

  854.   saveFences(); draw(); renderFenceList();
    855. 

  855. }
    856. 

  856. function renameFence(i) {
    857. 

  857.   window._ri = i;
    858. 

  858.   document.getElementById('fenceNameInput').value = fences[curChannel][i].name;
    859. 

  859.   document.getElementById('renameModal').classList.add('show');
    860. 

  860.   document.getElementById('fenceNameInput').focus();
    861. 

  861. }
    862. 

  862. function confirmRename() {
    863. 

  863.   const i = window._ri;
    864. 

  864.   if (i >= 0 && fences[curChannel] && fences[curChannel][i]) {
    865. 

  865.     fences[curChannel][i].name = document.getElementById('fenceNameInput').value;
    866. 

  866.     saveFences(); renderFenceList(); draw();
    867. 

  867.   }
    868. 

  868.   document.getElementById('renameModal').classList.remove('show');
    869. 

  869. }
    870. 

  870. function deleteFence(i) {
    871. 

  871.   if (!confirm('删除围栏 ' + fences[curChannel][i].name + '?')) return;
    872. 

  872.   fences[curChannel].splice(i, 1);
    873. 

  873.   saveFences(); draw(); renderFenceList();
    874. 

  874. }
    875. 

  875. 

  876. let bindIdx = -1;
    877. 

  877. function openFenceBind(i) {
    878. 

  878.   bindIdx = i;
    879. 

  879.   const f = fences[curChannel][i];
    880. 

  880.   document.getElementById('bindFenceName').textContent = f.name || ('Fence' + (i+1));
    881. 

  881.   let html = '';
    882. 

  882.   const ny = 8;
    883. 

  883.   for (let y = 1; y <= ny; y++) {
    884. 

  884.     const ch = 'y' + String(y).padStart(2, '0');
    885. 

  885.     const on = (f.relays || []).includes(ch);
    886. 

  886.     const al = aliasOf(ch);
    887. 

  887.     html += `<label style="cursor:pointer;display:flex;align-items:center;gap:4px" title="${al}">
    888. 

  888.       <input type="checkbox" class="fy-ck" value="${ch}" ${on?'checked':''}>Y${y}${al ? '('+al+')' : ''}</label>`;
    889. 

  889.   }
    890. 

  890.   document.getElementById('bindYList').innerHTML = html;
    891. 

  891.   document.getElementById('bindModal').classList.add('show');
    892. 

  892. }
    893. 

  893. function confirmFenceBind() {
    894. 

  894.   if (bindIdx >= 0) {
    895. 

  895.     fences[curChannel][bindIdx].relays =
    896. 

  896.       Array.from(document.querySelectorAll('.fy-ck:checked')).map(c => c.value);
    897. 

  897.     saveFences(); renderFenceList();
    898. 

  898.   }
    899. 

  899.   document.getElementById('bindModal').classList.remove('show');
    900. 

  900. }
    901. 

  901. 

  902. async function loadFences() {
    903. 

  903.   try {
    904. 

  904.     const r = await fetch('/api/fences');
    905. 

  905.     fences = await r.json();
    906. 

  906.     renderFenceList(); draw();
    907. 

  907.   } catch (e) {}
    908. 

  908. }
    909. 

  909. async function saveFences() {
    910. 

  910.   try {
    911. 

  911.     await fetch('/api/fences', {
    912. 

  912.       method: 'POST', headers: {'Content-Type': 'application/json'},
    913. 

  913.       body: JSON.stringify(fences)
    914. 

  914.     });
    915. 

  915.   } catch (e) {}
    916. 

  916. }
    917. 

  917. 

  918. function syncAlarmFilterOptions() {
    919. 

  919.   const sel = document.getElementById('fltCh');
    920. 

  920.   if (!sel) return;
    921. 

  921.   const cur = sel.value;
    922. 

  922.   sel.innerHTML = '<option value="">全部</option>' +
    923. 

  923.     CHANNELS.map(c => `<option value="${c.id}">CH${c.id} ${c.name}</option>`).join('');
    924. 

  924.   sel.value = [...sel.options].some(o => o.value === cur) ? cur : '';
    925. 

  925. }
    926. 

  926. 

  927. /* ================= 报警历史 ================= */
    928. 

  928. function alarmQuery() {
    929. 

  929.   const qs = new URLSearchParams();
    930. 

  930.   const ch = document.getElementById('fltCh').value;
    931. 

  931.   if (ch !== '') qs.set('channel', ch);
    932. 

  932.   const st = document.getElementById('fltStart').value.replace('T', ' ');
    933. 

  933.   const en = document.getElementById('fltEnd').value.replace('T', ' ');
    934. 

  934.   if (st) qs.set('start', st + ':00');
    935. 

  935.   if (en) qs.set('end', en + ':59');
    936. 

  936.   return qs.toString();
    937. 

  937. }
    938. 

  938. function resetAlarmFilters() {
    939. 

  939.   document.getElementById('fltCh').value = '';
    940. 

  940.   document.getElementById('fltStart').value = '';
    941. 

  941.   document.getElementById('fltEnd').value = '';
    942. 

  942.   loadAlarms();
    943. 

  943. }
    944. 

  944. 

  945. async function loadAlarms() {
    946. 

  946.   try {
    947. 

  947.     const qs = alarmQuery();
    948. 

  948.     const r = await fetch('/api/alarms' + (qs ? '?' + qs : ''));
    949. 

  949.     if (r.status === 401) { location.href = '/login'; return; }
    950. 

  950.     const d = await r.json();
    951. 

  951.     document.getElementById('alarmCount').textContent =
    952. 

  952.       d.total + '条' + (qs ? '(筛选后)' : '');
    953. 

  953.     const list = document.getElementById('alarmList');
    954. 

  954.     const empty = document.getElementById('alarmEmpty');
    955. 

  955.     if (!d.items.length) {
    956. 

  956.       list.innerHTML = ''; empty.style.display = 'flex'; return;
    957. 

  957.     }
    958. 

  958.     empty.style.display = 'none';
    959. 

  959.     list.innerHTML = d.items.map(a => {
    960. 

  960.       const c = chById(a.channel);
    961. 

  961.       return `
    962. 

  962.       <div class="alist-row" onclick="showAlarm('${a.screenshot}','${a.timestamp}',${a.channel},'${a.fence_name}','${a.class_name}',${a.confidence})">
    963. 

  963.         <img src="/${a.screenshot}" loading="lazy" alt="">
    964. 

  964.         <div class="col-t">${a.timestamp}</div>
    965. 

  965.         <div class="col-ch">CH${a.channel}<div class="nm">${c ? c.name : ''}</div></div>
    966. 

  966.         <div class="col-f">${a.fence_name}</div>
    967. 

  967.         <div class="col-c">${a.class_name}</div>
    968. 

  968.         <div class="col-conf">${(a.confidence*100).toFixed(0)}%</div>
    969. 

  969.       </div>`;
    970. 

  970.     }).join('');
    971. 

  971.   } catch (e) {}
    972. 

  972. }
    973. 

  973. function showAlarm(screenshot, time, ch, fence, cls, conf) {
    974. 

  974.   document.getElementById('alarmScreenshot').src = '/' + screenshot;
    975. 

  975.   const c = chById(ch);
    976. 

  976.   document.getElementById('alarmMeta').innerHTML =
    977. 

  977.     `时间: ${time}<br>通道: CH${ch} ${c ? c.name : ''}<br>围栏: ${fence}<br>目标: ${cls}<br>置信度: ${(conf*100).toFixed(1)}%`;
    978. 

  978.   document.getElementById('alarmModal').classList.add('show');
    979. 

  979. }
    980. 

  980. function closeAlarmModal() { document.getElementById('alarmModal').classList.remove('show'); }
    981. 

  981. async function clearAlarms() {
    982. 

  982.   if (!confirm('清空所有报警记录?')) return;
    983. 

  983.   try { await fetch('/api/alarms/clear', {method:'POST'}); loadAlarms(); } catch (e) {}
    984. 

  984. }
    985. 

  985. 

  986. /* ================= 继电器动作记录 ================= */
    987. 

  987. async function loadActions() {
    988. 

  988.   try {
    989. 

  989.     const r = await fetch('/api/relay/actions');
    990. 

  990.     const d = await r.json();
    991. 

  991.     const items = d.items || [];
    992. 

  992.     document.getElementById('actionCount').textContent = items.length + '条';
    993. 

  993.     const tbl = document.getElementById('actionTbl');
    994. 

  994.     const empty = document.getElementById('actionEmpty');
    995. 

  995.     if (!items.length) {
    996. 

  996.       tbl.innerHTML = '<tr><th>时间</th><th>来源</th><th>说明</th><th>输出通道</th></tr>';
    997. 

  997.       empty.style.display = 'flex';
    998. 

  998.       return;
    999. 

  999.     }
    1000. 

  1000.     empty.style.display = 'none';
    1001. 

  1001.     const srcColor = { '围栏报警': '#e94560', '输入联动': '#3498db', '手动': '#888' };
    1002. 

  1002.     tbl.innerHTML = '<tr><th style="width:150px">时间</th><th style="width:90px">来源</th><th>说明</th><th style="width:140px">输出通道</th></tr>' +
    1003. 

  1003.       items.map(a => `
    1004. 

  1004.       <tr>
    1005. 

  1005.         <td style="color:#888">${a.timestamp}</td>
    1006. 

  1006.         <td style="color:${srcColor[a.source] || '#aaa'}">${a.source}</td>
    1007. 

  1007.         <td style="text-align:left">${a.detail}</td>
    1008. 

  1008.         <td>${a.channels.split(',').map(c => aliasLabel(c)).join(', ')}</td>
    1009. 

  1009.       </tr>`).join('');
    1010. 

  1010.   } catch (e) {}
    1011. 

  1011. }
    1012. 

  1012. async function clearActionHistory() {
    1013. 

  1013.   if (!confirm('清空所有动作记录?')) return;
    1014. 

  1014.   try {
    1015. 

  1015.     await fetch('/api/relay/actions/clear', {method: 'POST'});
    1016. 

  1016.     loadActions();
    1017. 

  1017.   } catch (e) {}
    1018. 

  1018. }
    1019. 

  1019. 

  1020. /* ================= 继电器控制 ================= */
    1021. 

  1021. let rlyX = Array(8).fill(0);
    1022. 

  1022. let rlyY = Array(8).fill(0);
    1023. 

  1023. let rlyCfgLoaded = false;
    1024. 

  1024. let rlyModesLoaded = false;
    1025. 

  1025. let savedModes = Array.from({length: 8}, () => ({mode: 'normal', interval: 1}));
    1026. 

  1026. let testingIdx = -1;
    1027. 

  1027. let rlyNx = 0, rlyNy = 0;
    1028. 

  1028. let rlyAlias = {};          // {x1:'大门雷达', y02:'声光报警器', ...}
    1029. 

  1029. let aliasSig = '';
    1030. 

  1030. let lastBindings = {};
    1031. 

  1031. 

  1032. function aliasOf(key) {
    1033. 

  1033.   const a = rlyAlias[key];
    1034. 

  1034.   return a ? a : '';
    1035. 

  1035. }
    1036. 

  1036. function aliasLabel(key) {
    1037. 

  1037.   const a = aliasOf(key);
    1038. 

  1038.   return a ? (key.toUpperCase() + ' ' + a) : key.toUpperCase();
    1039. 

  1039. }
    1040. 

  1040. 

  1041. function renderAliasTable() {
    1042. 

  1042.   const el = document.getElementById('aliasTbl');
    1043. 

  1043.   if (!el) return;
    1044. 

  1044.   let html = '<tr><th style="width:60px">输入</th><th>别名</th><th style="width:60px">输出</th><th>别名</th></tr>';
    1045. 

  1045.   for (let i = 1; i <= Math.max(rlyNx || 8, rlyNy || 8); i++) {
    1046. 

  1046.     const xk = 'x' + i;
    1047. 

  1047.     const yk = 'y' + String(i).padStart(2, '0');
    1048. 

  1048.     html += `<tr>
    1049. 

  1049.       <td style="color:#aaa">X${i}</td>
    1050. 

  1050.       <td style="text-align:left"><input type="text" class="al-in" data-k="${xk}" value="${rlyAlias[xk]||''}" style="width:95%" placeholder="X${i}"></td>
    1051. 

  1051.       <td style="color:#aaa">${i <= (rlyNy||8) ? 'Y'+i : ''}</td>
    1052. 

  1052.       <td style="text-align:left">${i <= (rlyNy||8) ? `<input type="text" class="al-in" data-k="${yk}" value="${rlyAlias[yk]||''}" style="width:95%" placeholder="Y${i}">` : ''}</td>
    1053. 

  1053.     </tr>`;
    1054. 

  1054.   }
    1055. 

  1055.   el.innerHTML = html;
    1056. 

  1056. }
    1057. 

  1057. 

  1058. async function saveAliases() {
    1059. 

  1059.   const out = {};
    1060. 

  1060.   document.querySelectorAll('.al-in').forEach(inp => {
    1061. 

  1061.     out[inp.dataset.k] = inp.value.trim();
    1062. 

  1062.   });
    1063. 

  1063.   try {
    1064. 

  1064.     const r = await fetch('/api/relay/aliases', {
    1065. 

  1065.       method:'POST', headers:{'Content-Type':'application/json'},
    1066. 

  1066.       body: JSON.stringify(out)
    1067. 

  1067.     });
    1068. 

  1068.     const d = await r.json();
    1069. 

  1069.     alert(d.ok ? '别名已保存' : '保存失败');
    1070. 

  1070.   } catch (e) { alert('保存失败'); }
    1071. 

  1071.   loadRelayStatus();
    1072. 

  1072. }
    1073. 

  1073. 

  1074. function ensureTables(nx, ny) {
    1075. 

  1075.   if (!document.getElementById('ymodeTbl').children.length ||
    1076. 

  1076.       !document.getElementById('bindTbl').children.length ||
    1077. 

  1077.       nx !== rlyNx || ny !== rlyNy) {
    1078. 

  1078.     rlyNx = nx; rlyNy = ny;
    1079. 

  1079.     renderYTable(ny);
    1080. 

  1080.     renderBindTable(lastBindings, nx, ny);
    1081. 

  1081.   }
    1082. 

  1082. }
    1083. 

  1083. 

  1084. function renderYTable(ny) {
    1085. 

  1085.   const el = document.getElementById('ymodeTbl');
    1086. 

  1086.   let html = '<tr><th>通道</th><th>状态</th><th>输出模式</th><th>间隔(秒)</th><th>操作</th></tr>';
    1087. 

  1087.   for (let i = 1; i <= ny; i++) {
    1088. 

  1088.     const s = savedModes[i-1] || {mode:'normal', interval:1};
    1089. 

  1089.     const yk = 'y' + String(i).padStart(2, '0');
    1090. 

  1090.     const al = aliasOf(yk);
    1091. 

  1091.     html += `<tr>
    1092. 

  1092.       <td style="color:#aaa">Y${i}${al ? `<div style="font-size:10px;color:#8892a8">${al}</div>` : ''}</td>
    1093. 

  1093.       <td><button class="btn btn-outline" id="ybtn${i}" style="width:56px;padding:4px 0" onclick="toggleY(${i})">关</button></td>
    1094. 

  1094.       <td><select id="ymsel${i}">
    1095. 

  1095.         <option value="normal" ${s.mode==='normal'?'selected':''}>正常</option>
    1096. 

  1096.         <option value="cycle" ${s.mode==='cycle'?'selected':''}>周期交替</option>
    1097. 

  1097.       </select></td>
    1098. 

  1098.       <td><input type="number" id="ymin${i}" step="0.1" min="0.1" max="3600" value="${s.interval}"></td>
    1099. 

  1099.       <td><button class="btn btn-outline" id="ytest${i}" style="padding:4px 10px" onclick="testY(${i})">测试</button></td>
    1100. 

  1100.     </tr>`;
    1101. 

  1101.   }
    1102. 

  1102.   el.innerHTML = html;
    1103. 

  1103. }
    1104. 

  1104. 

  1105. async function postMode(items) {
    1106. 

  1106.   const r = await fetch('/api/relay/mode', {
    1107. 

  1107.     method:'POST', headers:{'Content-Type':'application/json'},
    1108. 

  1108.     body: JSON.stringify({items})
    1109. 

  1109.   });
    1110. 

  1110.   return r.json();
    1111. 

  1111. }
    1112. 

  1112. 

  1113. async function saveYModes() {
    1114. 

  1114.   const items = [];
    1115. 

  1115.   for (let i = 1; i <= rlyNy; i++) {
    1116. 

  1116.     const sel = document.getElementById('ymsel' + i);
    1117. 

  1117.     if (!sel) continue;
    1118. 

  1118.     items.push({
    1119. 

  1119.       channel: 'y' + String(i).padStart(2, '0'),
    1120. 

  1120.       mode: sel.value,
    1121. 

  1121.       interval_sec: parseFloat(document.getElementById('ymin' + i).value) || 1
    1122. 

  1122.     });
    1123. 

  1123.   }
    1124. 

  1124.   try {
    1125. 

  1125.     const d = await postMode(items);
    1126. 

  1126.     if (d.ok) {
    1127. 

  1127.       for (let i = 1; i <= items.length; i++)
    1128. 

  1128.         savedModes[i-1] = {mode: items[i-1].mode, interval: items[i-1].interval_sec};
    1129. 

  1129.       alert('输出模式已保存');
    1130. 

  1130.     } else alert('保存失败');
    1131. 

  1131.   } catch (e) { alert('保存失败'); }
    1132. 

  1132.   loadRelayStatus();
    1133. 

  1133. }
    1134. 

  1134. 

  1135. async function testY(i) {
    1136. 

  1136.   if (testingIdx >= 0) return;
    1137. 

  1137.   testingIdx = i;
    1138. 

  1138.   const btn = document.getElementById('ytest' + i);
    1139. 

  1139.   const ch = 'y' + String(i).padStart(2, '0');
    1140. 

  1140.   const itv = parseFloat(document.getElementById('ymin' + i).value) || 1;
    1141. 

  1141.   btn.textContent = '测试中';
    1142. 

  1142.   try {
    1143. 

  1143.     await postMode([{channel: ch, mode: 'cycle', interval_sec: itv}]);
    1144. 

  1144.     setTimeout(async () => {
    1145. 

  1145.       await postMode([{channel: ch, mode: savedModes[i-1].mode,
    1146. 

  1146.                        interval_sec: savedModes[i-1].interval}]);
    1147. 

  1147.       btn.textContent = '测试';
    1148. 

  1148.       testingIdx = -1;
    1149. 

  1149.       loadRelayStatus();
    1150. 

  1150.     }, 6000);
    1151. 

  1151.   } catch (e) { btn.textContent = '测试'; testingIdx = -1; }
    1152. 

  1152. }
    1153. 

  1153. 

  1154. 

  1155. function renderBindTable(bindings, nx, ny) {
    1156. 

  1156.   lastBindings = bindings || {};
    1157. 

  1157.   const el = document.getElementById('bindTbl');
    1158. 

  1158.   ny = ny || 8; nx = nx || 8;
    1159. 

  1159.   let html = '<tr><th>X</th><th>信号</th>';
    1160. 

  1160.   for (let y = 1; y <= ny; y++) {
    1161. 

  1161.     const al = aliasOf('y' + String(y).padStart(2, '0'));
    1162. 

  1162.     html += `<th title="${al}">Y${y}${al ? `<div style="font-size:10px;color:#8892a8;max-width:70px;overflow:hidden;text-overflow:ellipsis">${al}</div>` : ''}</th>`;
    1163. 

  1163.   }
    1164. 

  1164.   html += '</tr>';
    1165. 

  1165.   for (let x = 1; x <= nx; x++) {
    1166. 

  1166.     html += `<tr><td style="color:#aaa">X${x}</td><td><span class="led" id="xled${x}"></span></td>`;
    1167. 

  1167.     const bound = lastBindings['x' + x] || [];
    1168. 

  1168.     for (let y = 1; y <= ny; y++) {
    1169. 

  1169.       const ch = 'y' + String(y).padStart(2, '0');
    1170. 

  1170.       html += `<td><input type="checkbox" class="bind-ck" data-x="${x}" value="${ch}" ${bound.includes(ch)?'checked':''}></td>`;
    1171. 

  1171.     }
    1172. 

  1172.     html += '</tr>';
    1173. 

  1173.   }
    1174. 

  1174.   el.innerHTML = html;
    1175. 

  1175. }
    1176. 

  1176. 

  1177. function updateRelayView(d) {
    1178. 

  1178.   document.getElementById('relayOnline').innerHTML =
    1179. 

  1179.     '设备状态: <span style="color:' + (d.online ? '#27ae60' : '#e74c3c') + '">' +
    1180. 

  1180.     (d.online ? '在线' : '离线') + '</span>';
    1181. 

  1181.   if (!rlyCfgLoaded && d.host) {
    1182. 

  1182.     document.getElementById('rlyHost').value = d.host;
    1183. 

  1183.     document.getElementById('rlyPort').value = d.port;
    1184. 

  1184.     document.getElementById('rlyAddr').value = d.device_addr;
    1185. 

  1185.     document.getElementById('rlyPulse').value = d.pulse_sec;
    1186. 

  1186.     if (d.rearm_sec !== undefined)
    1187. 

  1187.       document.getElementById('rlyRearm').value = d.rearm_sec;
    1188. 

  1188.     if (d.alarm_max_sec !== undefined)
    1189. 

  1189.       document.getElementById('rlyMaxSec').value = d.alarm_max_sec;
    1190. 

  1190.     rlyCfgLoaded = true;
    1191. 

  1191.   }
    1192. 

  1192.   ensureTables(d.nx || 8, d.ny || 8);
    1193. 

  1193.   const newAliasSig = JSON.stringify(d.alias || {});
    1194. 

  1194.   if (newAliasSig !== aliasSig) {
    1195. 

  1195.     rlyAlias = d.alias || {};
    1196. 

  1196.     aliasSig = newAliasSig;
    1197. 

  1197.     renderYTable(rlyNy);
    1198. 

  1198.     renderBindTable(lastBindings, rlyNx, rlyNy);
    1199. 

  1199.     renderAliasTable();
    1200. 

  1200.     rlyModesLoaded = false;   // 重渲染后回填一次模式
    1201. 

  1201.   }
    1202. 

  1202.   rlyX = d.x || rlyX;
    1203. 

  1203.   rlyY = d.y || rlyY;
    1204. 

  1204.   for (let i = 0; i < (d.nx || 8); i++) {
    1205. 

  1205.     const led = document.getElementById('xled' + (i+1));
    1206. 

  1206.     if (led) led.className = 'led' + (rlyX[i] ? ' on' : '');
    1207. 

  1207.   }
    1208. 

  1208.   for (let i = 0; i < (d.ny || 8); i++) {
    1209. 

  1209.     const btn = document.getElementById('ybtn' + (i+1));
    1210. 

  1210.     if (btn) {
    1211. 

  1211.       const on = !!rlyY[i];
    1212. 

  1212.       btn.className = 'btn ' + (on ? 'btn-success' : 'btn-outline');
    1213. 

  1213.       btn.textContent = on ? '开' : '关';
    1214. 

  1214.       btn.style.opacity = d.online ? 1 : .5;
    1215. 

  1215.     }
    1216. 

  1216.     if (!rlyModesLoaded && d.ymode) {
    1217. 

  1217.       const sel = document.getElementById('ymsel' + (i+1));
    1218. 

  1218.       const inp = document.getElementById('ymin' + (i+1));
    1219. 

  1219.       if (sel) {
    1220. 

  1220.         sel.value = d.ymode[i] === 'cycle' ? 'cycle' : 'normal';
    1221. 

  1221.         if (inp && d.ycyc !== undefined && d.ycyc[i] !== undefined)
    1222. 

  1222.           inp.value = d.ycyc[i];
    1223. 

  1223.         savedModes[i] = {mode: sel.value,
    1224. 

  1224.                          interval: parseFloat(inp ? inp.value : 1) || 1};
    1225. 

  1225.         if (i === (d.ny || 8) - 1) rlyModesLoaded = true;
    1226. 

  1226.       }
    1227. 

  1227.     }
    1228. 

  1228.   }
    1229. 

  1229. }
    1230. 

  1230. 

  1231. async function loadRelayStatus() {
    1232. 

  1232.   try {
    1233. 

  1233.     const r = await fetch('/api/relay/status');
    1234. 

  1234.     updateRelayView(await r.json());
    1235. 

  1235.   } catch (e) {}
    1236. 

  1236. }
    1237. 

  1237. 

  1238. async function toggleY(i) {
    1239. 

  1239.   if (i > rlyNy) return;
    1240. 

  1240.   const ch = 'y' + String(i).padStart(2, '0');
    1241. 

  1241.   const next = rlyY[i-1] ? 0 : 1;
    1242. 

  1242.   try {
    1243. 

  1243.     await fetch('/api/relay', {
    1244. 

  1244.       method:'POST', headers:{'Content-Type':'application/json'},
    1245. 

  1245.       body: JSON.stringify({channel: ch, state: next})
    1246. 

  1246.     });
    1247. 

  1247.   } catch (e) {}
    1248. 

  1248.   loadRelayStatus();
    1249. 

  1249. }
    1250. 

  1250. 

  1251. async function saveRelayConfig() {
    1252. 

  1252.   const body = {
    1253. 

  1253.     host: document.getElementById('rlyHost').value.trim(),
    1254. 

  1254.     port: parseInt(document.getElementById('rlyPort').value),
    1255. 

  1255.     device_addr: parseInt(document.getElementById('rlyAddr').value),
    1256. 

  1256.     pulse_sec: parseInt(document.getElementById('rlyPulse').value),
    1257. 

  1257.     alarm_max_sec: parseInt(document.getElementById('rlyMaxSec').value),
    1258. 

  1258.     rearm_sec: parseInt(document.getElementById('rlyRearm').value)
    1259. 

  1259.   };
    1260. 

  1260.   try {
    1261. 

  1261.     const r = await fetch('/api/relay/config', {
    1262. 

  1262.       method:'POST', headers:{'Content-Type':'application/json'},
    1263. 

  1263.       body: JSON.stringify(body)
    1264. 

  1264.     });
    1265. 

  1265.     const d = await r.json();
    1266. 

  1266.     alert(d.ok ? '已保存' : '保存失败');
    1267. 

  1267.   } catch (e) { alert('保存失败'); }
    1268. 

  1268. }
    1269. 

  1269. 

  1270. async function loadBindings() {
    1271. 

  1271.   try {
    1272. 

  1272.     const r = await fetch('/api/relay/bindings');
    1273. 

  1273.     const d = await r.json();
    1274. 

  1274.     renderBindTable(d, rlyNx || 8, rlyNy || 8);
    1275. 

  1275.   } catch (e) {}
    1276. 

  1276. }
    1277. 

  1277. 

  1278. async function saveBindings() {
    1279. 

  1279.   const out = {};
    1280. 

  1280.   document.querySelectorAll('.bind-ck:checked').forEach(c => {
    1281. 

  1281.     const k = 'x' + c.dataset.x;
    1282. 

  1282.     (out[k] = out[k] || []).push(c.value);
    1283. 

  1283.   });
    1284. 

  1284.   try {
    1285. 

  1285.     const r = await fetch('/api/relay/bindings', {
    1286. 

  1286.       method:'POST', headers:{'Content-Type':'application/json'},
    1287. 

  1287.       body: JSON.stringify(out)
    1288. 

  1288.     });
    1289. 

  1289.     const d = await r.json();
    1290. 

  1290.     alert(d.ok ? '联动绑定已保存' : '保存失败');
    1291. 

  1291.   } catch (e) { alert('保存失败'); }
    1292. 

  1292. }
    1293. 

  1293. 

  1294. /* ================= 检测参数 / 系统设置 ================= */
    1295. 

  1295. const TARGET_CLASSES = [
    1296. 

  1296.   ['person','人'], ['bicycle','自行车'], ['car','汽车'],
    1297. 

  1297.   ['motorcycle','摩托车'], ['bus','公交车'], ['truck','卡车'], ['train','火车']
    1298. 

  1298. ];
    1299. 

  1299. function renderTargets() {
    1300. 

  1300.   document.getElementById('targetList').innerHTML = TARGET_CLASSES.map(([name,label]) =>
    1301. 

  1301.     `<label style="cursor:pointer;display:flex;align-items:center;gap:4px">
    1302. 

  1302.       <input type="checkbox" class="target-ck" value="${name}">${label}</label>`).join('');
    1303. 

  1303. }
    1304. 

  1304. function getSelectedClasses() {
    1305. 

  1305.   return Array.from(document.querySelectorAll('.target-ck:checked')).map(c => c.value);
    1306. 

  1306. }
    1307. 

  1307. function setSelectedClasses(list) {
    1308. 

  1308.   const set = new Set(list || []);
    1309. 

  1309.   document.querySelectorAll('.target-ck').forEach(c => c.checked = set.has(c.value));
    1310. 

  1310. }
    1311. 

  1311. async function loadConfig() {
    1312. 

  1312.   try {
    1313. 

  1313.     const r = await fetch('/api/status');
    1314. 

  1314.     const d = await r.json();
    1315. 

  1315.     if (d.skip_frames !== undefined) document.getElementById('cfgSkip').value = d.skip_frames;
    1316. 

  1316.     if (d.conf_thresh !== undefined) document.getElementById('cfgConf').value = d.conf_thresh;
    1317. 

  1317.     if (d.alarm_retention_days !== undefined) document.getElementById('cfgRetention').value = d.alarm_retention_days;
    1318. 

  1318.     if (document.getElementById('sysTargetEnabled')) document.getElementById('sysTargetEnabled').checked = d.target_enabled !== false;
    1319. 

  1319.     if (document.getElementById('sysPoseEnabled')) document.getElementById('sysPoseEnabled').checked = d.pose_cfg_enabled !== false;
    1320. 

  1320.     if (document.getElementById('sysGridOutput')) document.getElementById('sysGridOutput').value = d.grid_output === false ? 'false' : 'true';
    1321. 

  1321.     if (document.getElementById('sysSteelOutput')) document.getElementById('sysSteelOutput').value = d.steel_output === false ? 'false' : 'true';
    1322. 

  1322.     setSelectedClasses(d.alarm_classes);
    1323. 

  1323.   } catch (e) {}
    1324. 

  1324.   try {
    1325. 

  1325.     const r = await fetch('/api/mjpeg/status');
    1326. 

  1326.     const d = await r.json();
    1327. 

  1327.     if (document.getElementById('sysMjpegEnabled')) document.getElementById('sysMjpegEnabled').value = d.enabled === false ? 'false' : 'true';
    1328. 

  1328.   } catch (e) {}
    1329. 

  1329. }
    1330. 

  1330. async function saveConfig() {
    1331. 

  1331.   const body = {
    1332. 

  1332.     skip_frames: parseInt(document.getElementById('cfgSkip').value),
    1333. 

  1333.     conf_thresh: parseFloat(document.getElementById('cfgConf').value),
    1334. 

  1334.     alarm_retention_days: parseInt(document.getElementById('cfgRetention').value),
    1335. 

  1335.     alarm_classes: getSelectedClasses()
    1336. 

  1336.   };
    1337. 

  1337.   try {
    1338. 

  1338.     await fetch('/api/config', {
    1339. 

  1339.       method:'POST', headers:{'Content-Type':'application/json'},
    1340. 

  1340.       body: JSON.stringify(body)
    1341. 

  1341.     });
    1342. 

  1342.     alert('已保存');
    1343. 

  1343.   } catch (e) { alert('保存失败'); }
    1344. 

  1344. }
    1345. 

  1345. 

  1346. async function loadSystemConfig() {
    1347. 

  1347.   try {
    1348. 

  1348.     const r = await fetch('/api/system');
    1349. 

  1349.     const d = await r.json();
    1350. 

  1350.     document.getElementById('sysRebootEn').checked = !!d.reboot_enabled;
    1351. 

  1351.     if (d.reboot_cycle !== undefined) document.getElementById('sysRebootCycle').value = d.reboot_cycle;
    1352. 

  1352.     if (d.reboot_time) document.getElementById('sysRebootTime').value = d.reboot_time;
    1353. 

  1353.   } catch (e) {}
    1354. 

  1354. }
    1355. 

  1355. async function saveSystemOptions() {
    1356. 

  1356.   const body = {
    1357. 

  1357.     target_enabled: document.getElementById('sysTargetEnabled').checked,
    1358. 

  1358.     pose_enabled: document.getElementById('sysPoseEnabled').checked,
    1359. 

  1359.     grid_output: document.getElementById('sysGridOutput').value === 'true',
    1360. 

  1360.     steel_output: document.getElementById('sysSteelOutput').value === 'true'
    1361. 

  1361.   };
    1362. 

  1362.   try {
    1363. 

  1363.     const r = await fetch('/api/config', {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify(body)});
    1364. 

  1364.     const d = await r.json();
    1365. 

  1365.     alert(d.ok ? '系统配置已保存，识别开关重启后生效' : '保存失败');
    1366. 

  1366.   } catch (e) { alert('保存失败'); }
    1367. 

  1367. }
    1368. 

  1368. async function toggleSystemMjpeg() {
    1369. 

  1369.   const enabled = document.getElementById('sysMjpegEnabled').value === 'true';
    1370. 

  1370.   try {
    1371. 

  1371.     await fetch('/api/mjpeg/toggle', {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({enabled})});
    1372. 

  1372.   } catch (e) {}
    1373. 

  1373. }
    1374. 

  1374. async function saveSystemConfig() {
    1375. 

  1375.   const body = {
    1376. 

  1376.     auto_reboot: {
    1377. 

  1377.       enabled: document.getElementById('sysRebootEn').checked,
    1378. 

  1378.       cycle: Math.max(1, parseInt(document.getElementById('sysRebootCycle').value) || 1),
    1379. 

  1379.       time: document.getElementById('sysRebootTime').value || '03:30'
    1380. 

  1380.     }
    1381. 

  1381.   };
    1382. 

  1382.   try {
    1383. 

  1383.     const r = await fetch('/api/config', {
    1384. 

  1384.       method:'POST', headers:{'Content-Type':'application/json'},
    1385. 

  1385.       body: JSON.stringify(body)
    1386. 

  1386.     });
    1387. 

  1387.     const d = await r.json();
    1388. 

  1388.     alert(d.ok ? '已保存' : '保存失败');
    1389. 

  1389.   } catch (e) { alert('保存失败'); }
    1390. 

  1390. }
    1391. 

  1391. async function rebootNow() {
    1392. 

  1392.   if (!confirm('确认立即重启设备?')) return;
    1393. 

  1393.   try {
    1394. 

  1394.     const r = await fetch('/api/reboot', {method:'POST'});
    1395. 

  1395.     const d = await r.json();
    1396. 

  1396.     alert(d.ok ? '重启命令已发送, 设备即将重启...' : '重启失败');
    1397. 

  1397.   } catch (e) {}
    1398. 

  1398. }
    1399. 

  1399. 

  1400. /* ================= 状态轮询 ================= */
    1401. 

  1401. async function loadStatus() {
    1402. 

  1402.   try {
    1403. 

  1403.     const r = await fetch('/api/status');
    1404. 

  1404.     if (r.status === 401) { location.href = '/login'; return; }
    1405. 

  1405.     const d = await r.json();
    1406. 

  1406.     const badge = document.getElementById('statusBadge');
    1407. 

  1407.     badge.className = 'status-badge ' + (d.running ? 'status-on' : 'status-off');
    1408. 

  1408.     badge.textContent = d.running ? '在线' : '离线';
    1409. 

  1409.     document.getElementById('modelChip').textContent =
    1410. 

  1410.       (d.npu || d.model || '-') + ' | NPU';
    1411. 

  1411.     syncChannels(d.channels || []);
    1412. 

  1412.     applyChannelSize(d);
    1413. 

  1413.   } catch (e) {}
    1414. 

  1414. }
    1415. 

  1415. 

  1416. function applyChannelSize(d) {
    1417. 

  1417.   const info = (d.channels || []).find(c => c.id === curChannel);
    1418. 

  1418.   if (info && info.width > 0 && info.height > 0 &&
    1419. 

  1419.       (info.width !== imgW || info.height !== imgH)) {
    1420. 

  1420.     imgW = info.width;
    1421. 

  1421.     imgH = info.height;
    1422. 

  1422.     updateView();
    1423. 

  1423.   }
    1424. 

  1424. }
    1425. 

  1425. async function loadChannelSize() {
    1426. 

  1426.   try {
    1427. 

  1427.     const r = await fetch('/api/status');
    1428. 

  1428.     applyChannelSize(await r.json());
    1429. 

  1429.   } catch (e) {}
    1430. 

  1430. }
    1431. 

  1431. 

  1432. /* ================= 登录与凭据 ================= */
    1433. 

  1433. async function loadAuthInfo() {
    1434. 

  1434.   try {
    1435. 

  1435.     const r = await fetch('/api/auth/info');
    1436. 

  1436.     if (r.status === 401) { location.href = '/login'; return; }
    1437. 

  1437.     const d = await r.json();
    1438. 

  1438.     document.getElementById('curUser').textContent = d.username || '-';
    1439. 

  1439.   } catch (e) {}
    1440. 

  1440. }
    1441. 

  1441. async function logout() {
    1442. 

  1442.   try { await fetch('/api/logout', {method: 'POST'}); } catch (e) {}
    1443. 

  1443.   location.href = '/login';
    1444. 

  1444. }
    1445. 

  1445. async function changePassword() {
    1446. 

  1446.   const oldp = document.getElementById('pwdOld').value;
    1447. 

  1447.   const nu = document.getElementById('pwdNewUser').value.trim();
    1448. 

  1448.   const p1 = document.getElementById('pwdNew1').value;
    1449. 

  1449.   const p2 = document.getElementById('pwdNew2').value;
    1450. 

  1450.   if (!oldp) { alert('请输入原密码'); return; }
    1451. 

  1451.   if (p1 !== p2) { alert('两次输入的新密码不一致'); return; }
    1452. 

  1452.   if (!p1) { alert('新密码不能为空'); return; }
    1453. 

  1453.   try {
    1454. 

  1454.     const r = await fetch('/api/auth/changepwd', {
    1455. 

  1455.       method:'POST', headers:{'Content-Type':'application/json'},
    1456. 

  1456.       body: JSON.stringify({old_password: oldp, username: nu, new_password: p1})
    1457. 

  1457.     });
    1458. 

  1458.     if (r.status === 401) { location.href = '/login'; return; }
    1459. 

  1459.     const d = await r.json();
    1460. 

  1460.     if (d.ok) {
    1461. 

  1461.       document.getElementById('pwdOld').value = '';
    1462. 

  1462.       document.getElementById('pwdNew1').value = '';
    1463. 

  1463.       document.getElementById('pwdNew2').value = '';
    1464. 

  1464.       document.getElementById('pwdNewUser').value = '';
    1465. 

  1465.       loadAuthInfo();
    1466. 

  1466.       alert('凭据已更新, 其他已登录会话将失效');
    1467. 

  1467.     } else alert(d.error || '修改失败');
    1468. 

  1468.   } catch (e) { alert('请求失败'); }
    1469. 

  1469. }
    1470. 

  1470. 

  1471. /* ================= 启动 ================= */
    1472. 

  1472. switchPage('monitor');
    1473. 

  1473. renderTargets();
    1474. 

  1474. ensureTables(8, 8);
    1475. 

  1475. renderChannelList();
    1476. 

  1476. loadStatus();
    1477. 

  1477. loadFences();
    1478. 

  1478. loadAuthInfo();
    1479. 

  1479. loadConfig();
    1480. 

  1480. loadSystemConfig();
    1481. 

  1481. loadRelayStatus();
    1482. 

  1482. loadBindings();
    1483. 

  1483. setInterval(loadStatus, 5000);
    1484. 

  1484. setInterval(() => { if (curPage === 'alarm') loadAlarms(); }, 10000);
    1485. 

  1485. setInterval(loadRelayStatus, 1000);
    1486. 

  1486. </script>
    1487. 

  1487. </body>
    1488. 

  1488. </html>
    1489.