PHP+JAVASCRIPT实现自动弹出打印窗口并自动跳转页面的实例

<!--打印进京凭证 -->
<style type="text/css" media=print>
.noprint{display : none }
</style>
<p class="noprint">
<?php //是否有记录
session_start();
require('config.php');//加载配置文件
require('functions.php');
require('head.php');
if (!isset($_SESSION['realname']))
{
header("location:login.php");
exit;
}
?>

<script   language="JavaScript">
function preview(oper)
{
if (oper < 10)
{
bdhtml=window.document.body.innerHTML;//获取当前页的html代码
sprnstr="<!--startprint"+oper+"-->";//设置打印开始区域
eprnstr="<!--endprint"+oper+"-->";//设置打印结束区域
prnhtml=bdhtml.substring(bdhtml.indexOf(sprnstr)+18); //从开始代码向后取html

prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));//从结束代码向前取html
window.document.body.innerHTML=prnhtml;
window.print();
window.document.body.innerHTML=bdhtml;
}
}
</script>

<?php
$clpz=$_SESSION['clpz'];
$sql="select id,clpz,grdw,cdrq,cllx,ryzl,hbbz,jcjg,bz from clxx where clpz='$clpz'";
$result=mysql_query($sql);
$numrows=mysql_num_rows($result);
if ($numrows==0)
{
header("location:srclxx.php");
exit;
}
else
{
?>

<?php
while($data=mysql_fetch_array($result))
{

$clpz=$data['clpz'];
$grdw=$data['grdw'];
$cdrq=$data['cdrq'];
$cllx=$data['cllx'];
$ryzl=$data['ryzl'];
$hbbz=$data['hbbz'];
$jcjg=$data['jcjg'];
$bz=$data['bz'];
}
}
?>
</p>
<?php
$qx=$_SESSION['qx'];
$zk=$_SESSION['zk'];
$sf=$_SESSION['sf'];

$jcry=$_SESSION['realname'];
$nian=date('Y',time());
$yue=date('m',time());
$ri=date('d',time());
$shi=date('H',time());
$jcrq=date('Y-m-d',time());

$sqljjjl="insert into jjjl (sf,clpz,grdw,cdrq,cllx,ryzl,hbbz,co,co2,nox,hc,jcjg,nian,yue,ri,shi,jcrq,intime,qx,zk,jcry,bz)
values('$sf','$clpz','$grdw','$cdrq','$cllx','$ryzl','$hbbz','$co','$co2','$nox','$hc','$jcjg','$nian','$yue','$ri','$shi','$jcrq',now(),'$qx','$zk','$jcry','$bz')";//添加进京记录
$resultjjjl=mysql_query($sqljjjl);
$lastid=mysql_insert_id();
?>
<table align="center" width="700" border="0">
<tr>
<td height="95" colspan="2" align="center"><h2><?php echo $_SESSION['qx'];?><?php echo $_SESSION['zk'];?></h2></td>
<td width="225" height="55" align="right"><p class="noprint" align="center">
<input id="btnPrint" type="button" name="printbt" value="打印" onclick="javascript:window.print();" />
</P></td>
<td width="225" align="center">
<h2>
<?php
$zdbl=sprintf("%08d", $lastid);
echo $zdbl;
?>
</h2>
</td>
</tr>
<tr>
<td width="100" height="114" align="center"> </td>
<td width="225" align="center"><h2><?php echo $clpz;?></h2></td>
<td align="center"> </td>
<td align="center"> </td>
</tr>
<tr>
<td align="center" height="120"> </td>
<td align="center"><h2><?php echo $cllx;?></h2></td>
<td align="center"><h2><?php echo $ryzl;?></h2></td>
<?php if ($hbbz=='黄标') {?>
<td align="center" bgcolor="#FF0000"><h2>    <?php echo $hbbz;?></h2></td>
<?php } else {?>
<td align="center"><h2>    <?php echo $hbbz;?></h2></td>
<?php }?>
</tr>
<tr>
<td align="center" height="115"> </td>
<td colspan="2" align="left"><h2>         <?php echo $co;?>           <?php echo $co2;?>         <?php echo $nox;?>         <?php echo $hc;?></h2></td>
<?php if ($jcjg=='超标') {?>
<td align="center" bgcolor="#FF0000"><h2>      <?php echo $jcjg;?><h2></td>
<?php } else {?>
<td align="center"><h2>      <?php echo $jcjg;?><h2></td>
<?php }?>
</tr>
<tr>
<td align="center" height="28"> </td>
<td align="center"> </td>
<td align="center"> </td>
<td align="center"> </td>
</tr>
<tr>
<td align="center" height="75"> </td>
<td align="center"><h2><?php echo $_SESSION['zfz'];?></h2></td>
<td colspan="2" align="center"><h2>             <?php echo $nian;?>          <?php echo $yue;?>     <?php echo $ri;?></h2></td>
</tr>
</table>
<p class="noprint" align="center">
<input id="btnPrint" type="button" name="printbt" value="打印" onclick="javascript:window.print();" />
</P>
<script>
window.print();
window.setTimeout("window.location.href='http://www.baidu.com'",3000);
</script>