初始化知识库网页系统

功能： - 用户登录/退出 - 文档列表展示（支持子目录） - 关键词搜索 - Markdown 文档在线查看 - 管理员添加用户脚本
2026-02-14 00:04:12 +08:00
commit 608d05cf5e
10 changed files with 1042 additions and 0 deletions
@@ -0,0 +1,153 @@
+<?php
+require_once 'config.php';
+checkLogin();
+
+$user = getCurrentUser();
+$username = $user['username'];
+$docDir = getUserDocDir($username);
+
+// 搜索关键词
+$search = trim($_GET['q'] ?? '');
+
+// 递归获取文档列表
+$documents = [];
+
+function scanDirectory($dir, $baseDir, $search) {
+    $docs = [];
+    if (!is_dir($dir)) return $docs;
+    
+    $items = scandir($dir);
+    foreach ($items as $item) {
+        if ($item === '.' || $item === '..') continue;
+        
+        $fullPath = $dir . '/' . $item;
+        $relativePath = str_replace($baseDir . '/', '', $fullPath);
+        
+        if (is_dir($fullPath)) {
+            // 递归扫描子目录
+            $docs = array_merge($docs, scanDirectory($fullPath, $baseDir, $search));
+        } elseif (is_file($fullPath)) {
+            // 只处理 .md 和 .txt 文件
+            $ext = strtolower(pathinfo($item, PATHINFO_EXTENSION));
+            if (!in_array($ext, ['md', 'txt', 'markdown'])) continue;
+            
+            $content = file_get_contents($fullPath);
+            
+            // 搜索过滤
+            if ($search) {
+                $searchLower = mb_strtolower($search);
+                $titleLower = mb_strtolower($item);
+                $contentLower = mb_strtolower($content);
+                if (strpos($titleLower, $searchLower) === false && 
+                    strpos($contentLower, $searchLower) === false) {
+                    continue;
+                }
+            }
+            
+            $docs[] = [
+                'name' => $item,
+                'path' => $relativePath,
+                'folder' => dirname($relativePath) === '.' ? '' : dirname($relativePath),
+                'size' => filesize($fullPath),
+                'mtime' => filemtime($fullPath),
+                'preview' => mb_substr(strip_tags($content), 0, 200)
+            ];
+        }
+    }
+    return $docs;
+}
+
+$documents = scanDirectory($docDir, $docDir, $search);
+
+// 按文件夹分组，然后按修改时间排序
+usort($documents, function($a, $b) {
+    // 先按文件夹排序
+    if ($a['folder'] !== $b['folder']) {
+        return strcmp($a['folder'], $b['folder']);
+    }
+    // 同一文件夹按修改时间排序（新文件在前）
+    return $b['mtime'] - $a['mtime'];
+});
+?>
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>知识库 - <?php echo htmlspecialchars($username); ?></title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+    <div class="dashboard">
+        <header class="header">
+            <h1>📚 我的知识库</h1>
+            <div class="user-info">
+                <span><?php echo htmlspecialchars($username); ?></span>
+                <a href="logout.php" class="btn-logout">退出</a>
+            </div>
+        </header>
+        
+        <div class="search-bar">
+            <form method="GET" action="">
+                <input type="text" name="q" placeholder="搜索文档..." 
+                       value="<?php echo htmlspecialchars($search); ?>">
+                <button type="submit">搜索</button>
+                <?php if ($search): ?>
+                    <a href="dashboard.php" class="btn-clear">清除</a>
+                <?php endif; ?>
+            </form>
+        </div>
+        
+        <div class="stats">
+            共 <?php echo count($documents); ?> 个文档
+            <?php if ($search): ?>
+                <span class="search-hint">（搜索: "<?php echo htmlspecialchars($search); ?>"）</span>
+            <?php endif; ?>
+        </div>
+        
+        <div class="document-list">
+            <?php if (empty($documents)): ?>
+                <div class="empty">
+                    <?php if ($search): ?>
+                        没有找到匹配的文档
+                    <?php else: ?>
+                        暂无文档
+                    <?php endif; ?>
+                </div>
+            <?php else: ?>
+                <?php 
+                $currentFolder = '';
+                foreach ($documents as $doc): 
+                    // 显示文件夹分隔
+                    if ($doc['folder'] !== $currentFolder):
+                        $currentFolder = $doc['folder'];
+                        if ($currentFolder):
+                ?>
+                    <div class="folder-separator">
+                        📁 <?php echo htmlspecialchars($currentFolder); ?>
+                    </div>
+                <?php 
+                        endif;
+                    endif; 
+                ?>
+                    <a href="view.php?file=<?php echo urlencode($doc['path']); ?><?php echo $search ? '&q=' . urlencode($search) : ''; ?>" 
+                       class="document-card">
+                        <div class="doc-icon">📄</div>
+                        <div class="doc-info">
+                            <div class="doc-name"><?php echo htmlspecialchars($doc['name']); ?></div>
+                            <div class="doc-meta">
+                                <?php echo round($doc['size'] / 1024, 1); ?> KB · 
+                                <?php echo date('Y-m-d H:i', $doc['mtime']); ?>
+                                <?php if ($doc['folder']): ?>
+                                    · 📁 <?php echo htmlspecialchars($doc['folder']); ?>
+                                <?php endif; ?>
+                            </div>
+                            <div class="doc-preview"><?php echo htmlspecialchars($doc['preview']); ?>...</div>
+                        </div>
+                    </a>
+                <?php endforeach; ?>
+            <?php endif; ?>
+        </div>
+    </div>
+</body>
+</html>