这个 javascript/AJAX 在我的本地主机服务器上运行,但是当我将它移动到共享主机时,它现在会在 MySQL 调用中的非对象上抛出一个调用成员函数 execute() 的错误。
的HTML:
onclick="showTrending('page_views DESC', 'product.active= "y"
AND product.deleted= "n" ', '12', 'popular')"
然后是javascript:
function showTrending(mysql_order, mysql_limit, limit, trend)
{
$.ajax({ type: "POST",
url: '/ajax/product_trending.php',
data: {Mysql_Order: mysql_order, Mysql_Limit: mysql_limit, Limit: limit},
cache: false,
success: function(result) {
// if productSubType array is defined and has at least one element, display subcategory list
if(result != 0){...
以及在出错的 AJAX 中调用的 PHP 文件:
//Retrieve subcategories for supplied product type
if(isset($_POST['Mysql_Order']) && isset($_POST['Mysql_Limit'])
&& isset($_POST['Limit'])){
$mysql_order = $_POST['Mysql_Order'];
$mysql_limit = $_POST['Mysql_Limit'];
$limit = $_POST['Limit'];
//Overlay for wishlist
if(!isset($_SESSION['email'])){
$item_wishlist = NULL;
} else{
$item_wishlist = $_SESSION['id'];
}
//Get product records from db
require_once($GLOBALS['domain'].'includes/connection.inc.php');
$db = dbConnect();
$stmt = $db->stmt_init();
$stmt = $db->prepare("SELECT product.id, product.image_thumb, product.title,
product.eng_title, product.price, seller.shop_name, seller.id FROM product
INNER JOIN seller ON product.seller_id=seller.id WHERE $mysql_limit ORDER BY
$mysql_order LIMIT 0,$limit"); <-- This is the part that errors
$stmt->execute();
$stmt->bind_result($row['product_id'], $row['image_thumb'], $row['title'],
$row['eng_title'], $row['price'], $row['shop_name'], $row['seller_id']);
$counter = 0;
$product_array = array();
while ($stmt->fetch()){
...store variables
$counter++;
}
if($counter > 0){
echo json_encode($product_array);
}else{
echo json_encode(0);
}
}
问题是当我插入从 HTML 传递的 POST 变量时,我没有正确准备 MySQL 字符串。如果我只为 MySQL 编写以下内容,我测试并确认它可以工作:
"SELECT product.id, product.image_thumb, product.title,
product.eng_title, product.price, seller.shop_name, seller.id FROM product
INNER JOIN seller ON product.seller_id=seller.id WHERE product.active= 'y'
AND product.deleted= 'n' ORDER BY
page_views DESC LIMIT 0,12"
我应该如何正确编写初始 HTML 调用,以便在 MySQL 中获得所需的结果?