<?php
/*******************************************************
作者: 吴振亨 (Biz)--phpscript
E-mail:wuzhenheng@china.com
web: http://phpscript.osh.com.cn
文件名:AdRotator.class.php3
版权声明:
如果您使用了本文件,请给作者写一封E-mail
如有问题欢迎与作者联系
谢谢您的关注!
********************************************************/
/*
广告条管理程序
public method
GetAdvertisement($adfile)
parameters
Target=
Width=
Height=
Border=
Redirect=
*/
class AdRotator {
var $Target="_blank";
var $Width="460";
var $Height="60";
var $Border=0;
var $Redirect="";
var $BannerData=array ();
var $RandTemp=1;
function AdRotator()
{
}
/*
public
返回广告的链接字串
*/
function GetAdvertisement($adfile)
{
if(count($this->BannerData)==0)
{
$this->BannerData=$this->ReadAdFile($adfile);
}
$AdData=$this->BannerData;
$uplimited=count($AdData);
//随机产生一个ID
srand((double)microtime()*1000000000000000000);
$id=@rand(1,$uplimited);
while($this->RandTemp==$id)
{
srand((double)microtime()*1000000000000000000);
//$id=@rand(1,count($AdData));
$id=@rand(1,$uplimited);
}
$this->RandTemp=$id;
//echo $id;
//echo count($AdData);
//echo $AdData[5]["image"];
$LinkString=" <a href="".$this->Redirect;
$LinkString.="?url=".$AdData[$id]["url"];
$LinkString.="" Target="".$this->Target;
$LinkString.="" Title="".$AdData[$id]["title"];
$LinkString.="" >";
$LinkString.=" <img border="".$this->Border;
$LinkString.="" src="".$AdData[$id]["image"];
$LinkString.="" width="".$this->Width;
$LinkString.="" height="".$this->Height;
$LinkString.="" >";
$LinkString.="</a>";
//echo $LinkString;
return $LinkString;
}
/*
private
读入文件的基本设置
*/
function ReadAdFile($adfile)
{
$FP=fopen($adfile,"r");
while($buffer=@fgets($FP,1024))
{
if(!eregi("#",$buffer))
{
if(eregi("^*",$buffer))
{
$switchto="off";
}
$SetTemp=split("=",$buffer);
if($switchto=="")
{
switch ($SetTemp[0])
{
case "REDIRECT":
$this->Redirect=$SetTemp[1];
break;
case "WIDTH":
$this->WIDTH=$SetTemp[1];
break;
case "HEIGHT":
$this->HEIGHT=$SetTemp[1];
break;
case "BORDER":
$this->BORDER=$SetTemp[1];
break;
case "TARGET":
$this->Target=$SetTemp[1];
break;
}
}
else
{
switch ($SetTemp[0])
{
case "image":
&n
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