prepare("SELECT id FROM persons WHERE name = ?");
$stmt->execute([$name]);
if ($stmt->fetch()) {
$error = '该姓名已存在';
} else {
// 保存头像
$avatar_path = null;
if (!empty($avatar_base64)) {
$avatar_path = saveBase64Image($avatar_base64, AVATAR_DIR, 'avatar');
}
$stmt = $db->prepare("INSERT INTO persons (name, color, avatar) VALUES (?, ?, ?)");
$stmt->execute([$name, $color, $avatar_path]);
$message = '观影人添加成功';
}
}
}
// ---------- 处理编辑 ----------
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'edit') {
$id = (int)$_POST['id'];
$name = trim($_POST['name'] ?? '');
$color = trim($_POST['color'] ?? '#888888');
if (!preg_match('/^#[a-fA-F0-9]{6}$/', $color)) $color = '#888888';
$avatar_base64 = $_POST['avatar_base64'] ?? '';
if (empty($name)) {
$error = '姓名不能为空';
} else {
// 检查重复
$stmt = $db->prepare("SELECT id FROM persons WHERE name = ? AND id != ?");
$stmt->execute([$name, $id]);
if ($stmt->fetch()) {
$error = '该姓名已存在';
} else {
// 获取旧头像
$stmt = $db->prepare("SELECT avatar FROM persons WHERE id = ?");
$stmt->execute([$id]);
$old = $stmt->fetch();
$old_avatar = $old['avatar'] ?? null;
// 保存新头像
$avatar_path = $old_avatar;
if (!empty($avatar_base64)) {
// 删除旧头像
if ($old_avatar && file_exists(__DIR__ . '/' . $old_avatar)) {
unlink(__DIR__ . '/' . $old_avatar);
}
$avatar_path = saveBase64Image($avatar_base64, AVATAR_DIR, 'avatar');
}
$stmt = $db->prepare("UPDATE persons SET name = ?, color = ?, avatar = ? WHERE id = ?");
$stmt->execute([$name, $color, $avatar_path, $id]);
$message = '观影人信息已更新';
}
}
}
// ---------- 处理删除 ----------
if (isset($_GET['action']) && $_GET['action'] === 'delete' && isset($_GET['id'])) {
$id = (int)$_GET['id'];
$stmt = $db->prepare("SELECT COUNT(*) FROM viewers WHERE person_id = ?");
$stmt->execute([$id]);
$count = $stmt->fetchColumn();
if ($count > 0) {
$error = "该观影人关联了 {$count} 部电影，不能直接删除。请先移除关联。";
} else {
// 删除头像文件
$stmt = $db->prepare("SELECT avatar FROM persons WHERE id = ?");
$stmt->execute([$id]);
$row = $stmt->fetch();
if ($row && $row['avatar'] && file_exists(__DIR__ . '/' . $row['avatar'])) {
unlink(__DIR__ . '/' . $row['avatar']);
}
$stmt = $db->prepare("DELETE FROM persons WHERE id = ?");
$stmt->execute([$id]);
$message = '观影人已删除';
}
}
// ---------- 获取列表 ----------
$stmt = $db->query("SELECT * FROM persons ORDER BY name");
$persons = $stmt->fetchAll();
// ---------- 获取编辑数据 ----------
$edit_data = null;
if (isset($_GET['action']) && $_GET['action'] === 'edit' && isset($_GET['id'])) {
$id = (int)$_GET['id'];
$stmt = $db->prepare("SELECT * FROM persons WHERE id = ?");
$stmt->execute([$id]);
$edit_data = $stmt->fetch();
if (!$edit_data) header('Location: persons.php');
}
// 50种预设颜色
$preset_colors = [
'#e74c3c','#c0392b','#e67e22','#d35400','#f39c12',
'#f1c40f','#f7dc6f','#2ecc71','#27ae60','#1abc9c',
'#16a085','#3498db','#2980b9','#9b59b6','#8e44ad',
'#34495e','#2c3e50','#e84393','#fd79a8','#00b894',
'#00cec9','#0984e3','#6c5ce7','#fdcb6e','#e17055',
'#d63031','#f0932b','#6ab04c','#22a6b3','#4834d4',
'#be2edd','#130f40','#535c68','#95afc0','#7ed6df',
'#e056a0','#ffb142','#33d9b2','#227093','#218c74',
'#b33939','#cd6133','#f97f51','#82589f','#3dc1d3',
'#b8e994','#78e08f','#f6b93b','#e55039','#4a69bd'
];
?>
观影人管理 - 电影日志
👥 观影人列表
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