query($sql);
if ($result) {
$row = $result->fetch_assoc();
$count = $row['count'];
// 如果记录数大于等于6，则禁止添加新待办事项并弹出提醒
if ($count >= 10) {
echo "";
} else {
// 否则，插入新的待办事项
$thing = $_POST['thing'];
$sql = "INSERT INTO daiban (thing) VALUES ('$thing')";
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
// 处理删除留言请求
if ($_GET['action'] == 'delete') {
$id = $_GET['id'];
$sql = "DELETE FROM daiban WHERE id=$id";
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
// 处理设为精选请求
if ($_GET['action'] == 'isimp') {
$id = $_GET['id'];
$sql = "UPDATE daiban SET isimp=1 WHERE id=$id";
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
// 处理取消设为精选请求
if ($_GET['action'] == 'notimp') {
$id = $_GET['id'];
$sql = "UPDATE daiban SET isimp=0 WHERE id=$id"; // 将isimp字段更新为0
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
// 完成
if ($_GET['action'] == 'isdone') {
$id = $_GET['id'];
$sql = "UPDATE daiban SET isdone=1 WHERE id=$id"; // 将isimp字段更新为0
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
// 未完成
if ($_GET['action'] == 'notdone') {
$id = $_GET['id'];
$sql = "UPDATE daiban SET isdone=0 WHERE id=$id"; // 将isimp字段更新为0
if ($conn->query($sql) === TRUE) {
header("Location: index.php");
} else {
echo "Error: " . $sql . "
" . $conn->error;
}
}
$conn->close();
?>