connect_error) {
die("数据库连接失败: " . $conn->connect_error);
}
$conn->set_charset("utf8mb4");
$message = "";
$messageType = "";
// 处理表单提交
/*
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'add_announcement') {
$nr = trim($_POST["nr"] ?? "");
if (empty($nr)) {
$message = "公告内容不能为空！";
$messageType = "error";
} else {
$stmt = $conn->prepare("INSERT INTO announcements (nr) VALUES (?)");
$stmt->bind_param("s", $nr);
if ($stmt->execute()) {
$message = "公告发布成功！";
$messageType = "success";
header("Location: " . $_SERVER['PHP_SELF']);
exit;
} else {
$message = "发布失败: " . $conn->error;
$messageType = "error";
}
$stmt->close();
}
}*/
// 查询所有公告
$announcements = [];
$ggResult = $conn->query("SELECT id, nr, time FROM announcements ORDER BY id DESC");
while($row = $ggResult->fetch_assoc()) {
$announcements[] = $row;
}
$conn->close();
?>
历史公告