我对 firefox 和 chrome 有一个大问题，我的编码在 IE 和 sfari 上完美运行。在 firfox 和 chrome 中不起作用的事情是我有一个二维会话数组调用“bill_array”。在这两个浏览器中没有完美地清除它。当我按下 x 按钮时。但其他两个做得很好。
<?php
//checking for perfect loging
session_start();
require ("connection.php");
if (!isset($_COOKIE['username']) && !isset($_COOKIE['password'])) {
header('location:home.php');
exit();
}
else {
$user_name = $_COOKIE['username'];
$user_pass = $_COOKIE['password'];
}
/////////////////////////////////////
?>
<?php
//#####################################################################################################//
//CANCELING THE BILl//
//#####################################################################################################//
?>
<script type="text/javascript">
function textsizer(e) {
var evtobj=window.event? event : e;
var element = evtobj.target ? evtobj.target : evtobj.srcElement;
if (element.tagName.toLowerCase() == "body") {
var unicode=evtobj.charCode? evtobj.charCode : evtobj.keyCode;
var actualkey=String.fromCharCode(unicode)
if(actualkey=="x"){
location.href="clearsession.php";
}
}
}
document.onkeypress=textsizer
</script>
<?php
//collecting posted variables by pressing addanother button
if(isset($_POST['adnother'])) {
$date = $_POST['date'];
$billnmbr = $_POST['billnmbr'];
$optionlist=$_POST['optionlist'];
$itemcode = $_POST['itemcode'];
$itemname = $_POST['itemname'];
$exdate = $_POST['exdate'];
$eachprice = $_POST['eachprice'];
$itmtotal = $_POST['itmtotal'];
$qty = $_POST['qty'];
$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, "qty"=> $qty, "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 = "<?= $wasFound ?>";
if(error == "1") {
alert("You trying to add same item twice")
}
</script>
<?php
}//close if condition
}//close while loop
}//close foreach loop
//if the next item is not in the bill and then add it to the bill_array
if($wasFound==false){
array_push($_SESSION["bill_array"],array("date"=> $date, "billnmbr"=> $billnmbr, "itemcode"=> $itemcode, "itemname"=> $itemname, "exdate"=> $exdate, "eachprice"=> $eachprice, "qty"=>$qty, "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>
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<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:696px;
z-index:1;
}
#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:330px;
top:186px;
width:341px;
height:24px;
text-align: center;
font-size: 18px;
font-weight: bolder;
color: #0CF;
text-decoration: underline;
}
#billingitems {
position:absolute;
left:21px;
top:266px;
width:731px;
height:240px;
z-index:10000;
border-style:groove;
border-width:thick;
}
#printlayout {
position:absolute;
left:768px;
top:267px;
width:211px;
height:279px;
z-index:100000;
text-align: center;
overflow: auto;
border-style:solid;
border-width:thin;
}
.printlayoutshopname {
font-size: 14px;
font-weight: bold;
color: #000;
}
.billaddrs {
font-size: 10px;
}
.bilnmbr {
font-size: 10px;
text-align: left;
}
.amount {
font-size: 12px;
font-weight: bold;
}
.itemcode {
font-size: 14px;
font-weight: bold;
}
.expiredate {
font-size: 14px;
font-weight: bolder;
color: #F00;
text-decoration: blink;
}
#copyright2 {
position:absolute;
left:757px;
top:565px;
width:223px;
height:87px;
z-index:1;
}
.copyright2 {
font-size: 12px;
font-weight: bold;
}
#packsize {
position:absolute;
left:321px;
top:7px;
width:173px;
height:24px;
z-index:1;
}
</style></head>
<? // this java script used to submit item code on -> arrow key press unicode value of that button is 39 ?>
<script type="text/javascript">
function submitthis(e){
var unicode=e.keyCode? e.keyCode : e.charCode
if (unicode ==39) {
var value1 = document.form1.itemcode.value;
location.href="biling.php?itmcde="+value1;
//alert(unicode)
var optionvalue1 = form1.optionlist.selectedIndex;
var optionvalue2 = form1.optionlist.options[optionvalue1].text
if( optionvalue2 == "set size"){ alert ("select a size"); }
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//this java script used to submit item name on -> arrow key press unicode value of that button is 39
function submitname(e){
var unicode=e.keyCode? e.keyCode : e.charCode
if (unicode ==39) {
var value1 = document.form1.itemname.value;
location.href="biling.php?itmnam="+value1;
//alert(unicode)
}
}
</script>
<? ///////////////////////////*********************************//////////////////////////////////////////////// ?>
<?php
//when item code typed and pressed the -> arrow key, the itemcode field is submited to this form using get method
//below code grab that submited value, and retrive information on that itemcode
if(isset($_GET['itmcde'])) {
$itmcde =$_GET['itmcde'];
$query = "SELECT *
FROM `stock`
WHERE Item_code = '{$itmcde}'
";
$rs_result = mysql_query ($query);
//if the item code is not in our database below if condition will give an error message and it will redirect the user to billing.php
if (mysql_num_rows($rs_result)==0){ ?>
<script type="text/javascript">
alert("This item code is not in oure data base")
location.href="biling.php";
</script>
<?php exit(); }
else {
while ($row = mysql_fetch_assoc($rs_result)) {
$itemname=$row["Item_name"];
$expdate=$row["expier_date"];
}
//if the items expire date is passed or if it has only 3,2 or 1 day to expier belove code push a error message.
$ex_expdate = preg_replace('\'-\'', '', $expdate);
$today=Date("Ymd");
$moredate=$ex_expdate-Date("Ymd");
if($ex_expdate <= $today){ ?>
<script type="text/javascript">
alert("Item has Expired")
</script>
<?php ;}
if($moredate==3){ ?>
<script type="text/javascript">
alert("3 more days to expire")
</script>
<?php ;}
if($moredate==2){ ?>
<script type="text/javascript">
alert("2 more days to expire")
</script>
<?php ;}
if($moredate==1){ ?>
<script type="text/javascript">
alert("1 more days to expire")
</script>
<?php ;}
}
}
//////////////////////////////^^^^^^^^^^^^^^^^^^^^//////////////////////////////
//when item name typed and pressed the -> arrow key, the itemname field is submited to this form using get method
//below code grab that submited value, and retrive information on that itemname
if(isset($_GET['itmnam'])) {
$itmnam =$_GET['itmnam'];
$query = "SELECT *
FROM `stock`
WHERE Item_name = '{$itmnam}'
";
$rs_result = mysql_query ($query);
//if the item code is not in our database below if condition will give an error message and it will redirect the user to billing.php
if (mysql_num_rows($rs_result)==0){ ?>
<script type="text/javascript">
alert("This item name is not in oure data base")
location.href="biling.php";
</script>
<?php exit(); }
else {
while ($row = mysql_fetch_assoc($rs_result)) {
$itemcodename=$row["Item_code"];
$expdatename=$row["expier_date"];
}
//if the items expire date is passed or if it has only 3,2 or 1 day to expier belove code push a error message.
$ex_expdate = preg_replace('\'-\'', '', $expdatename);
$today=Date("Ymd");
$moredate=$ex_expdate-Date("Ymd");
if($ex_expdate <= $today){ ?>
<script type="text/javascript">
alert("Item has Expired")
</script>
<?php ;}
if($moredate==3){ ?>
<script type="text/javascript">
alert("3 more days to expire")
</script>
<?php ;}
if($moredate==2){ ?>
<script type="text/javascript">
alert("2 more days to expire")
</script>
<?php ;}
if($moredate==1){ ?>
<script type="text/javascript">
alert("1 more days to expire")
</script>
<?php ;}
}
}
////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
?>
<script type="text/javascript">
var expdate = "<?= $expdate ?>";
</script>
<body>
<div id="wrap">
<div id="headertopic" class="mainheder">Accoutnig for Phamacy</div>
<p> </p>
<p> </p>
<div id="mainmenue"> <?php
//including the menu
include 'index.html' ;?> </div>
<?php
//select a bill number form the database and increment it.
$data = mysql_query("SELECT * FROM billnumber ") ;
$info = mysql_fetch_array( $data );
$oldnumber = $info['bill_number'];
$oldnumber= $oldnumber + 1;
$Transaction_number = "PM". $oldnumber ;
?>
<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>
<p class="logdas"> Bill Number : <?php echo $Transaction_number; ?></p>
</div>
<div id="pagetheam">Front-end Billing </div>
<div id="billingitems">
<form id="form1" name="form1" method="post" action="biling.php">
<input type="hidden" name="date" id="date" value=" <?php echo date("Y-m-d") ?> " />
<input type="hidden" name="billnmbr" id="billnmbr" value="<?php echo $Transaction_number; ?>" />
<table width="731" height="224" border="1" style="border:thin; border-color:#FFF;" >
<tr>
<td height="26" class="itemcode">Tablet/pack/ size </td>
<td><select name="optionlist" onchange="handleselect(this.form)" id="optionlist">
<option>set size</option>
<option>pac.</option>
<option>each.</option>
<option>mg</option>
<option>g</option>
<option>ml</option>
</select>
</td>
<td align="right" class="itemcode"> </td>
<td> </td>
</tr>
<tr>
<td width="120" height="26" class="itemcode">Item Code</td>
<td width="144"><input type="text" name="itemcode" id="itemcode" tabindex="1" value="<?php if(isset($_GET['itmcde'])) {echo $itmcde; }if(isset($_GET['itmnam'])) {echo $itemcodename; }?>" onKeyUp="submitthis(event)" /></td>
<td width="215" align="left" class="itemcode"> </td>
<td width="222"><div id="packsize"></div>
<script>
//creating a text box when select mg/g/ml/l frm the drp dwn
function handleselect(form1){
var selIndex = form1.optionlist.selectedIndex;
var selName = form1.optionlist.options[selIndex].text
if(selName == "mg" || selName == "g") {
//var yesitis = '<input type="text" name="size" id="size" />' }
//alert (yesitis);
//document.getElementById('apDiv2').write(yesitis);
var txt=document.getElementById("packsize");
txt.innerHTML='<input type="text" name="size" id="size" />';
}
}
</script>
</td>
</tr>
<tr>
<td height="26" class="itemcode">Item Name</td>
<td><input type="text" name="itemname" id="itemname" tabindex="2" value="<?php if(isset($_GET['itmcde'])) { echo $itemname ;}if(isset($_GET['itmnam'])) { echo $itmnam ;} ?>"onKeyUp="submitname(event)" /></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td height="26" class="itemcode">Expier Date</td>
<td><input type="text" name="exdate" id="exdate" value="<?php if(isset($_GET['itmcde'])) { echo $expdate;}if(isset($_GET['itmnam'])) { echo $expdatename ;}?>" /></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td height="23" class="itemcode">Item Price</td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td height="26" colspan="2"><span class="itemcode">Each : </span> <input type="text" name="eachprice" id="eachprice" /></td>
<td><span class="itemcode">Qty :</span><input type="text" name="qty" id="qty" tabindex="3" /></td>
<td><span class="itemcode">Total :</span><input type="text" name="itmtotal" id="itmtotal" /></td>
</tr>
<tr>
<td height="23" colspan="4"> </td>
</tr>
<tr>
<td height="28"><input name="Submit" type="submit" id="Submit" value="Print" /></td>
<td height="28"><input type="submit" name="adnother" id="adnother" value="add another item" tabindex="4" /></form></td>
<td><input type="button" name="rmvitm" id="rmvitm" value="Remove Itm" /></td>
<td>
<form id="form2" name="form2" method="post" action="biling.php">
<input type="submit" name="cancelbill" id="cancelbill" value="Cancell Bill" />
</form></td>
</tr>
</table>
</div>
<div id="printlayout">
<table width="211" border="0">
<tr>
<td colspan="4" align="center" class="printlayoutshopname"> Yasitha Pharacy <br /> </span>
<span class="billaddrs">22,Colombathanthiri Mawatha, Ethulkotte, Kotte.</span></td>
</tr>
<tr>
<td colspan="2" class="bilnmbr">Bill NO:<?php echo $Transaction_number; ?></td>
<td width="39" class="bilnmbr"> </td>
<td width="67" class="bilnmbr">Date:<?php echo date("Y-m-d") ?></td>
</tr>
<tr>
<td width="42"> </td>
<td width="45" class="bilnmbr">Each</td>
<td class="bilnmbr">Qty.</td>
<td class="bilnmbr">Total</td>
</tr>
<?php
if(isset($_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 ) { //if not yet any item added to the session array , do nothing.
}
else {
//else if there is any item on session array take its value and print
$i = 0;
foreach ($_SESSION["bill_array"]as $each_item ): ?>
<tr>
<td colspan="4" height="2" class="bilnmbr"><?php echo $each_item['itemcode']."-".$each_item['itemname'] ; ?></td>
</tr>
<tr>
<td> </td>
<td class="bilnmbr"><?php echo $each_item['eachprice']; ?></td>
<td class="bilnmbr"><?php echo $each_item['qty']; ?></td>
<td class="bilnmbr"><?php echo $each_item['itmtotal']; ?></td>
</tr>
<?php endforeach;
}
}
////////////////////////////////////////
?>
</table>
<p class="bilnmbr">User ID:<?php echo $user_name; ?></p>
</div>
<div id="copyright2">
<p class="copyright2">Version- alpha release 0.0.1<br />
<sup> © </sup> 2012 3Links ITS <sup>®</sup>- All Rights Reserved.<br />
3Links ITS <sup>®</sup><br />
22,Colombathanthiri Mawatha,<br />
Ethulkotte Kotte <br />
Tel : 011-2871106<br />
Mobile :0715716890 </p>
</div>
<?php //closing div for wrapper?></div>
</body>
</html>
这是我的 clearsession.php 页面
<?php
session_start();
session_unset();
session_destroy();
$_SESSION["bill_array"] = array();
header('location:biling.php') ;
?>