From d6572c69b688f96b74828edd190d5c9e258a4119 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E5=B0=8F=E7=99=BD=E5=93=A6?= <odoorbell@163.com>
Date: Sun, 30 Nov 2025 13:07:43 +0000
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20admin?=
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---
 admin/images.php | 152 +++++++++++++++++++++++++++++++++++++++++++++++
 admin/users.php  | 147 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 299 insertions(+)
 create mode 100644 admin/images.php
 create mode 100644 admin/users.php

diff --git a/admin/images.php b/admin/images.php
new file mode 100644
index 0000000..5895879
--- /dev/null
+++ b/admin/images.php
@@ -0,0 +1,152 @@
+<?php
+// 获取图片列表
+$page = $_GET['page'] ?? 1;
+$limit = 20;
+$offset = ($page - 1) * $limit;
+
+try {
+    $stmt = $pdo->prepare("
+        SELECT i.*, u.username 
+        FROM images i 
+        LEFT JOIN users u ON i.user_id = u.id 
+        ORDER BY i.uploaded_at DESC 
+        LIMIT ? OFFSET ?
+    ");
+    $stmt->bindValue(1, $limit, PDO::PARAM_INT);
+    $stmt->bindValue(2, $offset, PDO::PARAM_INT);
+    $stmt->execute();
+    $images = $stmt->fetchAll(PDO::FETCH_ASSOC);
+    
+    // 获取总图片数
+    $stmt = $pdo->query("SELECT COUNT(*) as total FROM images");
+    $totalImages = $stmt->fetch(PDO::FETCH_ASSOC)['total'];
+    $totalPages = ceil($totalImages / $limit);
+    
+} catch(PDOException $e) {
+    $images = [];
+    $totalPages = 1;
+}
+?>
+<div class="admin-section">
+    <h3>图片管理 (<?php echo $totalImages; ?> 张图片)</h3>
+    
+    <div class="table-responsive">
+        <table class="admin-table" id="images-table">
+            <thead>
+                <tr>
+                    <th>ID</th>
+                    <th>预览</th>
+                    <th>标题</th>
+                    <th>上传者</th>
+                    <th>大小</th>
+                    <th>状态</th>
+                    <th>浏览量</th>
+                    <th>上传时间</th>
+                    <th>操作</th>
+                </tr>
+            </thead>
+            <tbody>
+                <?php foreach($images as $image): ?>
+                <tr>
+                    <td><?php echo $image['id']; ?></td>
+                    <td>
+                        <img src="uploads/<?php echo $image['filename']; ?>" 
+                             alt="预览" 
+                             style="width: 50px; height: 50px; object-fit: cover; border-radius: 5px;">
+                    </td>
+                    <td>
+                        <strong><?php echo htmlspecialchars($image['title'] ?: '未命名'); ?></strong>
+                    </td>
+                    <td><?php echo htmlspecialchars($image['username']); ?></td>
+                    <td><?php echo formatFileSize($image['file_size']); ?></td>
+                    <td>
+                        <span class="status-badge <?php echo $image['is_public'] ? 'status-public' : 'status-private'; ?>">
+                            <?php echo $image['is_public'] ? '公开' : '私有'; ?>
+                        </span>
+                    </td>
+                    <td><?php echo $image['views']; ?></td>
+                    <td><?php echo date('Y-m-d H:i', strtotime($image['uploaded_at'])); ?></td>
+                    <td>
+                        <div class="admin-actions">
+                            <a href="view-image.php?id=<?php echo $image['id']; ?>" 
+                               class="btn btn-sm" target="_blank">查看</a>
+                            <button class="btn btn-sm" 
+                                    onclick="toggleImagePublic(<?php echo $image['id']; ?>, <?php echo $image['is_public']; ?>)">
+                                <?php echo $image['is_public'] ? '设为私有' : '设为公开'; ?>
+                            </button>
+                            <button class="btn btn-sm btn-danger" 
+                                    onclick="deleteImage(<?php echo $image['id']; ?>, '<?php echo htmlspecialchars($image['title']); ?>')">
+                                删除
+                            </button>
+                        </div>
+                    </td>
+                </tr>
+                <?php endforeach; ?>
+            </tbody>
+        </table>
+    </div>
+    
+    <!-- 分页 -->
+    <?php if($totalPages > 1): ?>
+    <div class="pagination">
+        <?php for($i = 1; $i <= $totalPages; $i++): ?>
+            <button class="btn btn-sm <?php echo $i == $page ? 'btn-primary' : ''; ?>" 
+                    onclick="loadImages(<?php echo $i; ?>)">
+                <?php echo $i; ?>
+            </button>
+        <?php endfor; ?>
+    </div>
+    <?php endif; ?>
+</div>
+
+<script>
+function toggleImagePublic(imageId, currentStatus) {
+    const newStatus = currentStatus ? 0 : 1;
+    const action = newStatus ? '公开' : '私有';
+    
+    if (!confirm(`确定要将图片设为${action}吗？`)) return;
+    
+    fetch('admin/ajax_toggle_image.php', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+            image_id: imageId,
+            is_public: newStatus
+        })
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert('图片状态更新成功！');
+            loadImages();
+        } else {
+            alert('更新失败: ' + data.error);
+        }
+    });
+}
+
+function deleteImage(imageId, title) {
+    if (!confirm(`确定要删除图片 "${title}" 吗？此操作不可恢复！`)) return;
+    
+    fetch('admin/ajax_delete_image.php', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+            image_id: imageId
+        })
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert('图片删除成功！');
+            loadImages();
+        } else {
+            alert('删除失败: ' + data.error);
+        }
+    });
+}
+</script>
\ No newline at end of file
diff --git a/admin/users.php b/admin/users.php
new file mode 100644
index 0000000..8a4fbbb
--- /dev/null
+++ b/admin/users.php
@@ -0,0 +1,147 @@
+<?php
+// 获取用户列表
+$page = $_GET['page'] ?? 1;
+$limit = 20;
+$offset = ($page - 1) * $limit;
+
+try {
+    $stmt = $pdo->prepare("SELECT * FROM users ORDER BY created_at DESC LIMIT ? OFFSET ?");
+    $stmt->bindValue(1, $limit, PDO::PARAM_INT);
+    $stmt->bindValue(2, $offset, PDO::PARAM_INT);
+    $stmt->execute();
+    $users = $stmt->fetchAll(PDO::FETCH_ASSOC);
+    
+    // 获取总用户数
+    $stmt = $pdo->query("SELECT COUNT(*) as total FROM users");
+    $totalUsers = $stmt->fetch(PDO::FETCH_ASSOC)['total'];
+    $totalPages = ceil($totalUsers / $limit);
+    
+} catch(PDOException $e) {
+    $users = [];
+    $totalPages = 1;
+}
+?>
+<div class="admin-section">
+    <h3>用户列表 (<?php echo $totalUsers; ?> 个用户)</h3>
+    
+    <div class="table-responsive">
+        <table class="admin-table" id="users-table">
+            <thead>
+                <tr>
+                    <th>ID</th>
+                    <th>用户名</th>
+                    <th>邮箱</th>
+                    <th>角色</th>
+                    <th>状态</th>
+                    <th>注册时间</th>
+                    <th>操作</th>
+                </tr>
+            </thead>
+            <tbody>
+                <?php foreach($users as $user): ?>
+                <tr>
+                    <td><?php echo $user['id']; ?></td>
+                    <td>
+                        <strong><?php echo htmlspecialchars($user['username']); ?></strong>
+                        <?php if($user['username'] === 'admin'): ?>
+                            <span class="status-badge status-admin">管理员</span>
+                        <?php endif; ?>
+                    </td>
+                    <td><?php echo htmlspecialchars($user['email']); ?></td>
+                    <td>
+                        <select onchange="updateUserRole(<?php echo $user['id']; ?>, this.value)" 
+                                <?php echo $user['username'] === 'admin' ? 'disabled' : ''; ?>>
+                            <option value="user" <?php echo $user['role'] === 'user' ? 'selected' : ''; ?>>用户</option>
+                            <option value="admin" <?php echo $user['role'] === 'admin' ? 'selected' : ''; ?>>管理员</option>
+                        </select>
+                    </td>
+                    <td>
+                        <span class="status-badge <?php echo $user['is_verified'] ? 'status-verified' : 'status-pending'; ?>">
+                            <?php echo $user['is_verified'] ? '已验证' : '未验证'; ?>
+                        </span>
+                    </td>
+                    <td><?php echo date('Y-m-d H:i', strtotime($user['created_at'])); ?></td>
+                    <td>
+                        <div class="admin-actions">
+                            <button class="btn btn-sm" 
+                                    onclick="viewUserImages(<?php echo $user['id']; ?>, '<?php echo htmlspecialchars($user['username']); ?>')">
+                                查看图片
+                            </button>
+                            <button class="btn btn-sm btn-danger" 
+                                    onclick="deleteUser(<?php echo $user['id']; ?>, '<?php echo htmlspecialchars($user['username']); ?>')"
+                                    <?php echo $user['username'] === 'admin' ? 'disabled' : ''; ?>>
+                                删除
+                            </button>
+                        </div>
+                    </td>
+                </tr>
+                <?php endforeach; ?>
+            </tbody>
+        </table>
+    </div>
+    
+    <!-- 分页 -->
+    <?php if($totalPages > 1): ?>
+    <div class="pagination">
+        <?php for($i = 1; $i <= $totalPages; $i++): ?>
+            <button class="btn btn-sm <?php echo $i == $page ? 'btn-primary' : ''; ?>" 
+                    onclick="loadUsers(<?php echo $i; ?>)">
+                <?php echo $i; ?>
+            </button>
+        <?php endfor; ?>
+    </div>
+    <?php endif; ?>
+</div>
+
+<script>
+function updateUserRole(userId, newRole) {
+    if (!confirm('确定要更改用户角色吗？')) return;
+    
+    fetch('admin/ajax_update_user.php', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+            user_id: userId,
+            role: newRole
+        })
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert('用户角色更新成功！');
+            loadUsers();
+        } else {
+            alert('更新失败: ' + data.error);
+        }
+    });
+}
+
+function viewUserImages(userId, username) {
+    window.open(`admin/user_images.php?id=${userId}`, '_blank');
+}
+
+function deleteUser(userId, username) {
+    if (!confirm(`确定要删除用户 "${username}" 吗？此操作将删除该用户的所有图片！`)) return;
+    
+    fetch('admin/ajax_delete_user.php', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+            user_id: userId
+        })
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert('用户删除成功！');
+            loadUsers();
+        } else {
+            alert('删除失败: ' + data.error);
+        }
+    });
+}
+</script>
\ No newline at end of file