$servername = "127.0.0.1";
$username = "lwywq_top";
$password = "Qq782963.";
$dbname = "lwywq_top";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}
$sql = "SELECT * FROM goods";
$result = $conn->query($sql);
$products = array();
if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        $products[] = $row;
    }
}
echo json_encode($products);
$conn->close();
?>