我需要对一个网站进行修改,迫使我在不刷新其内容的情况下更新页面中的数据。系统应该改变,因此当访问者输入零件编号时,会显示单个单元的价格以及数量折扣。当访问者选择赋予访问者折扣的数量时,将显示新价格以及相应的折扣范围。我们的系统现在运行良好,但它包括几个阶段,不会让用户在初始搜索阶段选择数量。我需要使用 jquery 连接到数据库并为所选数量获取正确的价格和折扣范围。这是需要更改的代码。
<body >
<table border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="center">
<?php
include ("../includes/java_update.php");
?>
<table width="100%" >
<?php
while ($row = mysql_fetch_array($result))
{
// Increment the total cost of all items
?>
<tr class="inside1">
<td colspan="8"><hr size="1" > </td>
<tr id="inside">
<td><input type="text" name="<?php echo $row["part_number"];?>" value="<?php echo $row["qty"];?>" id="t" onBlur="UpdateQty2(this.name,this.value)" size="3" > </td>
<td><input name="button" type="button"value="Update" class="button"></td>
<td class="disc" width="12%" height="25"><?php echo $row["part_number"]; ?> </td>
<td class="discleft" width="39%" height="25">
<?php
echo $row["disc"]; ?> </td>
<td id="price" width="6%" height="25">£
<?php
for($in =1 ; $in <= 8; $in++)
{
$bb=$row["price_break".($in)];
$halves =explode("-",$bb);
$firstnumber=$halves[0];
$secondnumber=$halves[1];
If ($row["qty"] >= $firstnumber && $row["qty"] <= $secondnumber)
{
echo number_format($row[("price_each".$in)], 2, ".", ",");
tprice ($row["part_number"],$row[("price_each".$in)],$row[("qty")]);
//echo"part_number is ".$row["part_number"];
//echo "<br>";
//echo"price_each is ".$row[("price_each".$in)];
$which=$in;
$totalCost += ($row["qty"] * $row[("price_each".$which)] );
}
}
?> </td>
<td align="center" class="in_stock">
</td>
<td width="9%" height="25" class="pblist" ><select name="pb" >
<?php
$c=$row["price_each1"];// price for single item
for($i = 1; $i <= 8; $i++)
{
$b=$row["price_each".$i];
if ($b !=0.00)
{
$d=(($c-$b)/$c)*100;
$complete=$row[("price_break".$i)]. " ," .round($d)."%";
echo "<option ";
if ($i == $which)
{
echo " SELECTED ";
}
echo ">". $complete ."</option>";
}
}
?>
</select> </td>
<td id="removeit"><a id="removeit" href="cart_wp.php? action=remove_item&id=<?php echo $row["part_number"]; ?>">Remove</a> </td>
</tr>
<script type="text/javascript">
function UpdateQty2(s,m)
{
var part_number=s;
if (isNaN (m)) {
// Not A Number
alert('Please enter a valid no.') ;
} else {
var newQty=m;
document.location.href = 'cart_wp.php?action=update_item&id='+part_number+'&qty='+newQty;
}
}