У меня есть форма, которая отправляет данные по нажатию кнопки отправки, вызывается функция AJAX, которая должна получить страницу обработки PHP.Однако страница обработки, похоже, не вызывается или не получает опубликованные данные. Ниже приведены фрагменты кода:
//the form
<form name="quicktransfer" action="" method="post">
<td style="width: 214px;padding-left: 5px;padding-right: 5px; cell-spacing:10px ">
<dl id='accService'>
<dt id='accHeader1'>Quick transfer</dt>
<dt class='accLinks1'>From.. </dt>
<dt class='accLinks1'>
<!-- Creates a select drop down box with useres bank account numbers as the options -->
<?php
$acc_tbl='accounts';
$cust = $_SESSION['custno'];
$result = mysql_query("SELECT accountNo FROM $acc_tbl WHERE custNo = '$cust'");
echo '<select name="acc_from">';
echo "<option value=\" \"></option>";
while($array = mysql_fetch_assoc($result))
{
echo "<option value=\"{$array['accountNo']}\">{$array['accountNo']}</option>\n";
}
echo '</select>';
?>
<!-- end of the select drop down -->
</dt>
<dt class='accLinks1'>To... </dt> <dt class='accLinks1'>
<!-- Creates a select drop down box with useres bank account numbers as the options -->
<?php
$acc_tbl='accounts';
$cust = $_SESSION['custno'];
$result = mysql_query("SELECT accountNo FROM $acc_tbl WHERE custNo = '$cust'");
echo '<select name="acc_to">';
echo "<option value=\" \"></option>";
while($array = mysql_fetch_assoc($result))
{
echo "<option value=\"{$array['accountNo']}\">{$array['accountNo']}</option>\n";
}
echo '</select>';
?>
<!-- end of the select drop down -->
</dt>
<dt class='accLinks1'>Amount.. </dt>
<dt class='accLinks1'><input type="input" name="amount" id="amount" size="10"/></dt>
<dt class='accLinks1'><input type="submit" name="transfer" value="transfer" onclick="loadQuickTransfer()"><br/><br/></dt>
</dl>
</form>
//the AJAX script
function loadQuickTransfer()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("QuickTransfer").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","quicktransfer.php",true);
xmlhttp.send();
}
// the form processing page getting called
if(isset($_POST['transfer']) && $_POST['amount'] == "")
{
echo '<b><i>Select account (From..To..)<br/><br/>Type amount to transfer.</i></b>';
}
else
{
$transFrom = $_POST['acc_from'];
$transTo = $_POST['acc_to'];
$amount = $_POST['amount'];
$acc_tbl = 'accounts';
$trans_tbl = 'transactions';
$cust = $_SESSION['custno'];
$transfer = mysql_query("UPDATE $acc_tbl SET accountBalance = accountBalance -'$amount' WHERE custNo = '$cust' AND accountNo = '$transFrom'");
if($transfer)
{
$transfer2 = mysql_query("UPDATE $acc_tbl SET accountBalance = accountBalance + '$amount' WHERE custNo = '$cust' AND accountNo = '$transTo'");
}
else
{
echo '<b>Error.. Could not transfer<br/> Please try again!</b>';
exit();
}
if($transfer2)
{
echo '<b>Transfer complete..</b> ';
exit();
}
}