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我在购物车邮件中收到错误“警告:mysql_fetch_assoc():提供的参数不是有效的MySQL结果资源”并且我只在邮件上获得此文本“总计:$ 0.00”但车不是空php购物车警告:mysql_fetch_assoc():
function emailcartview() {
$total=0;
$totalvalue=0;
$str = '';
foreach($_SESSION as $name => $value) {
if ($value>0){
if (substr($name, 0, 5)=='cart_'){
$id = substr($name, 5, (strlen($name)-5));
$get = mysql_query('SELECT id, name, price, item_number FROM products WHERE id='.mysql_real_escape_string($id));
$cart = array();
while ($get_row = mysql_fetch_assoc($get)) {
$cart[] = array(
'hsid' => $get_row['id'],
'price' => $get_row['price'],
$price = $get_row['price'],
'itemno' => $get_row['item_number'],
'name' => $get_row['name'],
'value' => $value,
$sub = $value*$cost,
$total += $sub,
$totalvalue = $value,
'realsub' => number_format($sub, 2),
);
}
foreach($cart as $index => $record){
global $emailcart;
$str = "Item: {$record['itemno']} - {$record['name']} | Qty: {$record['value']} | Cost: {$record['price']} x {$record['value']} = {$record['realsub']} <br>";
}
}
}
}
$str = "Total : $".number_format($total, 2);
return $str;
}
这段代码中存在大量的错误,所以即使我们帮助您解决了所描述的一个问题,您仍然会遇到问题。 Stackoverflow不是详细讨论它们的地方;你应该把它带到http://codereview.stackexchange.com/,在那里他们会更详细地与你通过它。 – SDC 2013-03-14 12:38:49
当有人为你做时,这是最容易的,但我发现问题在哪里,现在它的工作。 – 2013-03-14 14:00:48