这是我的代码；到时候我会告诉你这个问题。
<?php
//checking for perfect loging
session_start();
$user_name = $_SESSION['username'];
$user_pass = $_SESSION['password'];
require ("connection.php");
if ( $user_name == '' ) {
header('location:home.php');
exit();
}
/////////////////////////////////////
?>
<?php
//collecting posted variables by pressing addanother button
if(isset($_POST['adnother'])) {
$date = $_POST['date'];
$billnmbr = $_POST['billnmbr'];
$itemcode = $_POST['itemcode'];
$itemname = $_POST['itemname'];
$exdate = $_POST['exdate'];
$eachprice = $_POST['eachprice'];
$itmtotal = $_POST['itmtotal'];
$wasFound=false;
$i=0;
// check for >>>>>>>>>>> if the session bill_array array is not set or cart array is empty <<<<<<<<<<<<<<<
if(!isset($_SESSION["bill_array"]) || count($_SESSION["bill_array"]) < 1 ) {
// Run if the bill_array is empty or not set
$_SESSION["bill_array"]= array(1 => array("date"=> $date, "billnmbr"=> $billnmbr, "itemcode"=> $itemcode, "itemname"=> $itemname, "exdate"=> $exdate, "eachprice"=> $eachprice, "itmtotal"=> $itmtotal));
} else {
// Run if the bill has at least one item in it
foreach($_SESSION["bill_array"] as $each_item) {
$i++;
while(list($key,$value)=each($each_item)){
if($key=="itemcode" && $value == $itemcode){
// That item is in cart already so push a error message in to screen
$wasFound = true;
?>
<script type="text/javascript">
var error = "<?= $wasFound ?>";
if(error == "true") {
alert("You trying to add same item twice")
}
</script>
<?php
}//close if condition
}//close while loop
}//close foreach loop
//if the next item is not in the bill and then add it to the bill_array
if($wasFound==false){
array_push($_SESSION["bill_array"],array("date"=> $date, "billnmbr"=> $billnmbr, "itemcode"=> $itemcode, "itemname"=> $itemname, "exdate"=> $exdate, "eachprice"=> $eachprice, "itmtotal"=> $itmtotal));
}//clos if condition
}//close else statment
}//close ifisset
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Front-end Billing</title>
<link href="main.css" rel="stylesheet" type="text/css" media="all" />
<style type="text/css">
.mainheder {
font-size: 36px;
font-weight: bolder;
color: #00C;
text-align: center;
}
#headertopic {
position:absolute;
left:304px;
top:1px;
width:395px;
height:44px;
z-index:1;
background-color: #999900;
}
#mainmenue {
position:absolute;
left:208px;
top:78px;
width:614px;
height:48px;
z-index:10000;
}
#dateandtime {
position:absolute;
left:790px;
top:251px;
width:208px;
height:82px;
z-index:1;
}
#redcross {
position:absolute;
left:377px;
top:321px;
width:247px;
height:239px;
z-index:0;
}
#usrlogin {
position:absolute;
left:4px;
top:216px;
width:265px;
height:184px;
z-index:1;
}
#address {
position:absolute;
left:2px;
top:462px;
width:204px;
height:155px;
z-index:2;
}
#logdas {
position:absolute;
left:10px;
top:92px;
width:197px;
height:58px;
z-index:1;
}
.logdas {
font-weight: bold;
color: #00F;
}
#pagetheam {
position:absolute;
left:332px;
top:49px;
width:341px;
height:24px;
z-index:1;
text-align: center;
font-size: 18px;
font-weight: bolder;
color: #0CF;
text-decoration: underline;
}
#billingitems {
position:absolute;
left:11px;
top:186px;
width:489px;
height:293px;
z-index:1;
}
#printlayout {
position:absolute;
left:531px;
top:186px;
width:211px;
height:322px;
z-index:1;
text-align: center;
}
.printlayoutshopname {
font-size: 14px;
font-weight: bold;
color: #000;
}
.billaddrs {
font-size: 10px;
}
.bilnmbr {
font-size: 10px;
font-weight: bold;
text-align: left;
}
</style></head>
<body>
<div id="wrap">
<div id="headertopic" class="mainheder">Accoutnig for Phamacy</div>
<p> </p>
<p> </p>
<div id="mainmenue"> <?php // include 'index.html' ;?> </div>
<div id="logdas"><p class="logdas">Logged in as : <?php echo $user_name; ?></p>
<p class="logdas">Date : <?php echo date("Y-m-d") ?></p>
</div>
<div id="pagetheam">Front-end Billing </div>
<div id="billingitems">
<form id="form1" name="form1" method="post" action="biling.php">
<?php $data = mysql_query("SELECT * FROM billnumber ") ;
$info = mysql_fetch_array( $data );
$oldnumber = $info['bill_number'];
$oldnumber= $oldnumber + 1;
$Transaction_number = "PM". $oldnumber ;
?>
<table width="490" height="282" border="0">
<tr>
<td width="160"><input type="hidden" name="date" id="date" value=" <?php echo date("Y-m-d") ?> " /><?php echo date("Y-m-d") ?></td>
<td width="47"> </td>
<td width="69"> </td>
</tr>
<tr>
<td width="206">Bill Number</td>
<td width="160"><input type="hidden" name="billnmbr" id="billnmbr" value="<?php echo $Transaction_number; ?>" /><?php echo $Transaction_number; ?></td>
<td width="47"> </td>
<td width="69"> </td>
</tr>
<tr>
<td>Item Code</td>
<td><input type="text" name="itemcode" id="itemcode" tabindex="1" /></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>Item Name</td>
<td><input type="text" name="itemname" id="itemname" tabindex="2" /></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>Expier Date</td>
<td><input type="text" name="exdate" id="exdate" /></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>Item Price</td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td>Each :
<input type="text" name="eachprice" id="eachprice" /></td>
<td>Total :
<input type="text" name="itmtotal" id="itmtotal" /></td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td><input type="submit" name="adnother" id="adnother" value="add another item" tabindex="5" /></td>
<td><input type="submit" name="submit" id="submit" value="Submit" /></td>
<td> </td>
</tr>
</table>
</form>
</div>
<div id="printlayout">
<p><span class="printlayoutshopname">Yasitha Pharacy<br />
</span><span class="billaddrs">22,Colombathanthiri Mawatha, Ethulkotte, Kotte.</span></p>
<table width="211" border="0">
<tr>
<td width="103"><span class="bilnmbr">Bill No: <?php echo $Transaction_number; ?></span></td>
<td colspan="2" class="bilnmbr">Date: <?php echo date("Y-m-d") ?></td>
</tr>
<?php
if(isset($_POST['adnother'])) {
//taking items in the bill to variables if the bill_array is not empty.
$cartOutput="";
if(!isset($_SESSION["bill_array"]) || count($_SESSION["bill_array"]) < 1 ) {
$cartOutput = "<h2 align='center'> Bill is still empty </hd>";
}
else {
$i = 0;
foreach ($_SESSION["bill_array"]as $each_item ): ?>
<tr>
<td class="bilnmbr">Item code: </td>
<td colspan="2" class="bilnmbr"><?php echo $each_item['itemcode']; ?></td>
</tr>
<tr>
<td colspan="3" class="bilnmbr">Item Name:</td>
</tr>
<tr>
<td colspan="3" class="bilnmbr"><?php echo $each_item['itemname']; ?></td>
</tr>
<tr class="bilnmbr">
<td>Each</td>
<td width="98">Qty</td>
<td width="98">Total</td>
</tr>
<tr class="bilnmbr">
<td><?php echo $each_item['eachprice']; ?></td>
<td>20</td>
<td><?php echo $each_item['itmtotal']; ?></td>
</tr>
</table>
<?php endforeach; ?>
<?php
}
}
////////////////////////////////////////
?>
<p>
</p>
</div>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<?php //closing div for wrapper?>
</div>
</body>
</html>
我使用二维数组将项目详细信息插入会话数组，在插入项目后，我希望其详细信息显示在单独的表（右侧）中，当我添加正在查看的项目时，一个项目没有问题在完美的地方，但是当我添加第二个项目时，它会在该表下方而不创建新行。我所做的有什么问题？