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0fd880624f5bcc2412e90cdaf68e39dc13b2ef75
ny-exam-platform/index.php
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nxxy335 0fd880624f feat: 完善/优化/新增大批次 + 安全加固 + 性能优化 
- 修复再次提交不置顶（排序键改用 last_submit_ts）
- 后端结果缓存 + 并发锁（DataCache / ny_build_data / Roster 指纹失效）
- 导出 xlsx 多表：按最新成绩 / 按班级分表 / 可选列
- 名单管理：新增改弹窗、删除多选+二次确认、登陆账号列
- 安全：CSRF token + 登录失败限流（5次锁10分钟）
- 未匹配答卷一键加入名单（unmatched_map）
- 缺考名单增强：复制学号/姓名、按班统计、打印
- 成绩快照 + 跨卷趋势（Snapshot）
- 异常检测线索（短时长高分/高频重考/雷同成绩）
- 前端性能：虚拟滚动、搜索防抖、后台暂停、失败退避
- 测试沉淀：test-new-features.php + run-all.sh
2026-09-10 17:59:45 +08:00

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<?php
declare(strict_types=1);
require __DIR__ . '/bootstrap.php';
if (!ny_is_auth()) {
header('Location: login.php');
exit;
}
$cfg = ny_load_config();
$rosterCount = Roster::count();
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title><?= htmlspecialchars(NY_APP_NAME) ?></title>
<link rel="stylesheet" href="assets/style.css">
</head>
<body>
<header class="topbar">
<div class="brand">
<span class="logo">NY</span>
<div class="brand-text">
<strong>NY问卷考试系统数据平台</strong>
<small>卷王问卷系统 · 实时数据统计</small>
</div>
</div>
<div class="top-right">
<div id="conn" class="conn conn-off"><i></i><span>未连接</span></div>
<a class="btn" id="btnDashboard" href="dashboard.php" target="_blank" rel="noopener" title="在新标签页打开数据看板">📊 数据看板</a>
<a class="btn" id="btnDraw" href="draw.php" target="_blank" rel="noopener" title="在新标签页打开随机抽取">🎲 随机抽取</a>
<button class="btn" id="btnFullscreen" title="切换全屏">⛶ 全屏</button>
<button class="btn" id="btnRoster">名单管理 <b id="rosterBadge"><?= (int)$rosterCount ?></b></button>
<button class="btn btn-primary" id="btnSettings">设置</button>
<button class="btn" id="btnLogout" title="退出登录">退出</button>
</div>
</header>
<main class="wrap">
<section class="toolbar">
<div class="field grow">
<label>问卷 / 考试</label>
<select id="projectSel"><option value="">加载中…</option></select>
</div>
<div class="field">
<label>姓名字段</label>
<select id="nameFieldSel"><option value="">自动识别</option></select>
</div>
<div class="field">
<label>班级</label>
<select id="clsSel"><option value="">全部班级</option></select>
</div>
<div class="field">
<label>组别</label>
<select id="grpSel"><option value="">全部组别</option></select>
</div>
<div class="field">
<label>自动刷新</label>
<div class="inline">
<label class="switch"><input type="checkbox" id="autoRefresh" checked><span></span></label>
<select id="intervalSel">
<option value="5">5 秒</option>
<option value="10">10 秒</option>
<option value="15" selected>15 秒</option>
<option value="30">30 秒</option>
<option value="60">60 秒</option>
<option value="120">2 分钟</option>
</select>
</div>
</div>
<div class="field btns">
<button class="btn btn-primary" id="btnRefresh">立即刷新</button>
</div>
<div class="field grow-2">
<label>搜索</label>
<input type="text" id="kw" placeholder="输入学号或姓名筛选">
</div>
<div class="field btns" style="flex-wrap:wrap;gap:8px">
<label style="display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2)">导出排序
<select id="exportSortSel" style="height:30px;border-radius:8px;border:1px solid var(--border);padding:0 6px;background:#fff">
<option value="time">按提交时间</option>
<option value="sid">按学号</option>
<option value="score_desc">按成绩降序</option>
<option value="score_asc">按成绩升序</option>
</select>
</label>
<label style="display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-2);cursor:pointer" title="每人只导一行：最近一次成绩 + 最高分 + 考试次数">
<input type="checkbox" id="exportLatest" style="width:auto;height:auto">按最新成绩
</label>
<label style="display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-2);cursor:pointer" title="按班级拆分多个工作表（xlsx 多表）">
<input type="checkbox" id="exportSplit" style="width:auto;height:auto">按班级分表
</label>
<button class="btn" id="btnExport">导出成绩</button>
<button class="btn" id="btnExportAbsent">导出缺考</button>
<button class="btn" id="btnSnapshot" title="保存当前成绩为一份带标签的时间点快照">存快照</button>
<button class="btn" id="btnTrend" title="查看本卷各快照间每名学生的成绩趋势">趋势</button>
<button class="btn" id="btnAnomaly" title="异常检测线索：短时长高分 / 高频重考 / 雷同成绩">异常</button>
</div>
</section>
<section class="cards" id="statCards">
<div class="card accent-blue"><span>名单总人数</span><b id="sTotal">-</b></div>
<div class="card ok accent-green"><span>已提交</span><b id="sSubmit">-</b></div>
<div class="card warn accent-orange"><span>缺考</span><b id="sAbsent">-</b></div>
<div class="card accent-teal"><span>平均分</span><b id="sAvg">-</b></div>
<div class="card accent-green"><span>最高分</span><b id="sMax">-</b></div>
<div class="card accent-red"><span>最低分</span><b id="sMin">-</b></div>
<div class="card accent-indigo"><span>合格率(≥60%满分)</span><b id="sPass">-</b></div>
<div class="card accent-gray"><span>平均用时</span><b id="sDur">-</b></div>
</section>
<div class="layout" id="dataLayout" data-layout="default">
<section class="panel" id="tablePanel">
<div class="panel-head">
<h2>成绩明细 <small id="tableHint"></small></h2>
<div class="updated">
<button class="btn sm" id="btnClearHl" hidden title="清除新数据的绿色高亮标记（每 30 秒自动清除一次）">清除高亮 <b id="hlBadge">0</b></button>
最后更新：<span id="lastUpdate">—</span><i id="liveDot" class="dot"></i>
</div>
</div>
<div class="table-scroll">
<table class="grid" id="dataTable">
<thead>
<tr>
<th class="sortable" data-k="sid">学号</th>
<th class="sortable" data-k="name">姓名</th>
<th class="sortable" data-k="cls">班级</th>
<th class="sortable" data-k="grp">组别</th>
<th class="sortable" data-k="score">成绩</th>
<th class="sortable" data-k="attempts" title="该生提交过的次数，点击表头可排序">考试次数</th>
<th class="sortable" data-k="submit_ts" title="最近一次提交时间">提交时间</th>
<th class="sortable" data-k="duration">考试时长</th>
</tr>
</thead>
<tbody id="tbody"><tr><td colspan="8" class="empty">请选择问卷 / 考试</td></tr></tbody>
</table>
</div>
</section>
<section class="panel" id="absentPanel">
<div class="panel-head">
<h2>缺考名单 <small id="absentHint"></small></h2>
<span class="spacer"></span>
<button class="btn sm" id="btnCopySids" title="复制全部缺考学号（逗号分隔）">复制学号</button>
<button class="btn sm" id="btnCopyNames" title="复制全部缺考姓名">复制姓名</button>
<button class="btn sm" id="btnPrintAbsent" title="打印缺考名单">打印</button>
</div>
<div class="table-scroll short">
<table class="grid compact" id="absentTable">
<thead><tr><th>学号</th><th>姓名</th><th>班级</th><th>组别</th></tr></thead>
<tbody id="absentBody"><tr><td colspan="4" class="empty">—</td></tr></tbody>
</table>
</div>
</section>
<section class="panel" id="unmatchedPanel">
<div class="panel-head"><h2>未匹配答卷 <small>姓名不在名单中</small></h2></div>
<div class="table-scroll short">
<table class="grid compact">
<thead><tr><th>姓名</th><th>成绩</th><th>提交时间</th><th style="width:90px">操作</th></tr></thead>
<tbody id="unmatchedBody"><tr><td colspan="4" class="empty">—</td></tr></tbody>
</table>
</div>
</section>
</div>
</main>
<!-- ================= 设置 ================= -->
<div class="modal" id="settingsModal">
<div class="modal-box">
<div class="modal-head"><h3>系统设置</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<div class="form-grid">
<div class="fi full">
<label>布局</label>
<div class="fi-inline">
<label class="chk"><input type="radio" name="cfgLayout" value="default" id="layoutDef"> 默认（缺考+未匹配同行）</label>
<label class="chk"><input type="radio" name="cfgLayout" value="side" id="layoutSide"> 成绩明细与缺考名单同行</label>
</div>
<p class="hint">主界面三个面板（成绩明细 / 缺考名单 / 未匹配答卷）的排版方式</p>
</div>
<div class="fi">
<label>默认刷新间隔（秒）</label>
<input type="number" id="cfgInterval" min="3" max="600">
</div>
<div class="fi">
<label>请求超时（秒）</label>
<input type="number" id="cfgTimeout" min="3" max="120">
</div>
<div class="fi">
<label>每页拉取条数</label>
<input type="number" id="cfgPageSize" min="20" max="200">
<p class="hint">实际生效上限 200，超出会自动夹到 200（防止单页内存耗尽）</p>
</div>
<div class="fi">
<label>默认满分（用于合格率）</label>
<input type="number" id="cfgFull" min="1" max="1000">
<p class="hint" id="cfgFullHint">未选中试卷时的默认值</p>
</div>
<div class="fi">
<label>历史成绩展示方式</label>
<select id="cfgHistoryDisplay">
<option value="click">点击成员弹窗查看（默认）</option>
<option value="inline">成绩明细内全部展开</option>
</select>
<p class="hint">「全部展开」时每次考试单独一行，直接显示在成绩明细中</p>
</div>
<div class="fi">
<label>成绩导出排序</label>
<select id="cfgExportSort">
<option value="time">按提交时间（默认）</option>
<option value="sid">按学号（同学号按提交时间）</option>
<option value="score_desc">按成绩降序</option>
<option value="score_asc">按成绩升序</option>
</select>
<p class="hint">导出包含每次考试记录，始终带「考试次数」列</p>
</div>
<div class="fi full">
<label>姓名题关键词</label>
<input type="text" id="cfgKeywords">
<p class="hint">英文逗号分隔，用于自动识别"姓名"题目</p>
</div>
<div class="fi full">
<label>各试卷独立满分</label>
<div id="fullScoresBox" class="fullscores">
<span class="hint">未选中试卷时，此处为空；选中某套试卷后保存即在设置中为该卷单独设定满分</span>
</div>
<!-- 注意：#fullScoresHint 必须放在 #fullScoresBox 之外，
否则 renderFullScores() 的 box.innerHTML 覆盖会把它销毁，导致 textContent 赋值报 null -->
<p class="hint" id="fullScoresHint">给某卷填入数字即可单独覆盖默认满分；留空=用默认</p>
</div>
<div class="fi full checks">
<label><input type="checkbox" id="cfgDedupe"> 同一学号只保留最新一份答卷</label>
<label><input type="checkbox" id="cfgTemp"> 包含"暂存"未提交的答卷</label>
<label><input type="checkbox" id="cfgSsl"> 校验 HTTPS 证书</label>
</div>
<p class="hint" style="margin-top:-4px">
<b>「只保留最新一份」说明</b>：勾选后主明细表的「成绩」列取该生最新一次提交的分数，
取消勾选则取最高分。<b>无论是否勾选，「考试次数」与「历史成绩」始终展示全部提交记录</b>。
</p>
<div class="fi full" style="margin-top:6px">
<div style="display:flex;align-items:center;gap:8px">
<label style="margin:0">🔌 卷王系统连接</label>
<span class="hint" id="cfgConnInfo" style="font-size:12px"></span>
</div>
</div>
<div class="fi full">
<label>系统地址（不可在此修改）</label>
<input type="text" id="cfgBase" readonly>
<p class="hint">如需修改请编辑 <code>data/config.json</code>（保存后清 token 自动重连）</p>
</div>
<div class="fi">
<label>登录账号</label>
<input type="text" id="cfgUser" autocomplete="username" placeholder="登录卷王的账号">
</div>
<div class="fi">
<label>登录密码</label>
<input type="password" id="cfgPass" autocomplete="new-password" placeholder="已保存 · 留空表示不修改">
<p class="hint">为安全，已保存的密码不回显；如需修改请直接输入新密码后保存</p>
</div>
</div>
<div id="pingResult" class="ping-result hidden"></div>
</div>
<div class="modal-foot">
<span class="hint" style="align-self:center">只有修改账号/密码才会触发重连与测连接</span>
<span class="spacer"></span>
<button class="btn" id="btnTestConn">测试连接</button>
<button class="btn" data-close>取消</button>
<button class="btn btn-primary" id="btnSaveCfg">保存</button>
</div>
</div>
</div>
<!-- ================= 名单管理 ================= -->
<div class="modal" id="rosterModal">
<div class="modal-box wide">
<div class="modal-head"><h3>学号名单管理</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<div class="upload-zone" id="dropZone">
<input type="file" id="rosterFile" accept=".xlsx,.xlsm,.csv,.txt" hidden>
<div class="uz-inner">
<strong>点击或拖拽文件到此上传</strong>
<span>支持 .xlsx / .csv，需包含「学号」「姓名」两列（「班级」「组别」可选，组别如 A/B）</span>
</div>
</div>
<div class="roster-bar">
<div class="inline">
<label class="chk"><input type="radio" name="impMode" value="replace" checked> 覆盖</label>
<label class="chk"><input type="radio" name="impMode" value="append"> 追加</label>
</div>
<input type="text" id="rosterSearch" placeholder="搜索学号 / 姓名">
<span class="spacer"></span>
<button class="btn sm" id="btnAddRow">+ 新增</button>
<button class="btn sm danger" id="btnDelSel" hidden>删除选中</button>
<button class="btn sm danger" id="btnClearRoster">清空</button>
<button class="btn sm btn-primary" id="btnSaveRoster">保存名单</button>
</div>
<div class="table-scroll mid">
<table class="grid compact" id="rosterTable">
<thead><tr><th style="width:34px"><input type="checkbox" id="rosterCheckAll" title="全选"></th><th style="width:24%">学号</th><th style="width:20%">姓名</th><th>班级</th><th>组别</th><th>登陆账号</th></tr></thead>
<tbody id="rosterBody"></tbody>
</table>
</div>
<p class="hint" id="rosterMeta">共 0 人</p>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>关闭</button>
</div>
</div>
</div>
<!-- 多次刷题明细弹窗 -->
<div class="modal" id="attemptsModal">
<div class="modal-box">
<div class="modal-head"><h3 id="attTitle">提交明细</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body" id="attBody"></div>
</div>
</div>
<!-- 新增学生弹窗 -->
<div class="modal" id="addStudentModal">
<div class="modal-box">
<div class="modal-head"><h3>新增学生</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<div class="fi">
<label>学号 <b class="req">*</b></label>
<input type="text" id="addSid" placeholder="必填">
</div>
<div class="fi">
<label>姓名 <b class="req">*</b></label>
<input type="text" id="addName" placeholder="必填">
</div>
<div class="fi">
<label>班级</label>
<input type="text" id="addCls" placeholder="可选">
</div>
<div class="fi">
<label>组别</label>
<input type="text" id="addGrp" placeholder="如 A / B，可选">
</div>
<div class="fi">
<label>登陆账号</label>
<input type="text" id="addLogin" placeholder="可选，用于抽取页登录">
</div>
<p class="hint" id="addStudentHint"></p>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>取消</button>
<button class="btn btn-primary" id="btnAddStudentOk">添加</button>
</div>
</div>
</div>
<!-- 未匹配答卷映射到名单 -->
<div class="modal" id="mapUnmatchedModal">
<div class="modal-box">
<div class="modal-head"><h3>加入名单</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<p class="hint" style="margin:0 0 12px">答卷姓名：<b id="mapUmName"></b>（不在名单中）</p>
<div class="fi">
<label>学号 <b class="req">*</b></label>
<input type="text" id="mapUmSid" placeholder="输入该生的学号">
</div>
<div class="fi">
<label>班级</label>
<input type="text" id="mapUmCls" placeholder="可选">
</div>
<div class="fi">
<label>组别</label>
<input type="text" id="mapUmGrp" placeholder="可选">
</div>
<p class="hint" id="mapUmHint"></p>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>取消</button>
<button class="btn btn-primary" id="btnMapUmOk">加入名单</button>
</div>
</div>
</div>
<!-- 成绩快照 / 趋势 -->
<div class="modal" id="snapshotModal">
<div class="modal-box wide">
<div class="modal-head"><h3 id="snapTitle">成绩快照</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<div class="fi" style="margin-bottom:10px">
<label>快照标签（可选）</label>
<input type="text" id="snapLabel" placeholder="如：第一次考试、补考后…">
</div>
<div class="snap-toolbar" style="display:flex;gap:8px;margin-bottom:12px">
<button class="btn sm btn-primary" id="btnSnapSave">保存当前快照</button>
<span class="spacer"></span>
<button class="btn sm" id="btnSnapRefresh">刷新列表</button>
<button class="btn sm" id="btnSnapTrend">查看趋势</button>
</div>
<div class="table-scroll mid">
<table class="grid compact" id="snapTable">
<thead><tr><th>标签</th><th>保存时间</th><th>人数</th><th>项目</th><th style="width:70px">操作</th></tr></thead>
<tbody id="snapBody"><tr><td colspan="5" class="empty">暂无快照</td></tr></tbody>
</table>
</div>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>关闭</button>
</div>
</div>
</div>
<!-- 跨快照趋势 -->
<div class="modal" id="trendModal">
<div class="modal-box wide">
<div class="modal-head"><h3>成绩趋势 <small id="trendSub"></small></h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<div class="table-scroll" style="max-height:60vh">
<table class="grid compact" id="trendTable">
<thead id="trendHead"></thead>
<tbody id="trendBody"><tr><td colspan="10" class="empty">加载中…</td></tr></tbody>
</table>
</div>
<p class="hint" id="trendHint">趋势值为每名学生的「最高分」，未出现该快照的记「—」</p>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>关闭</button>
</div>
</div>
</div>
<!-- 异常检测线索 -->
<div class="modal" id="anomalyModal">
<div class="modal-box wide">
<div class="modal-head"><h3>异常检测线索</h3><button class="x" data-close>&times;</button></div>
<div class="modal-body">
<p class="hint" style="margin:0 0 12px">以下为自动统计的「防作弊线索」，仅供人工复核判断，不代表结论。</p>
<div id="anomalyBody"></div>
</div>
<div class="modal-foot">
<span class="spacer"></span>
<button class="btn" data-close>关闭</button>
</div>
</div>
</div>
<script>
window.NY = {
appName: <?= json_encode(NY_APP_NAME, JSON_UNESCAPED_UNICODE) ?>,
version: <?= json_encode(NY_VERSION, JSON_UNESCAPED_UNICODE) ?>,
interval: <?= (int)$cfg['refresh_interval'] ?>
};
</script>
<script src="assets/app.js"></script>
</body>
</html>
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