<?php
$url='图片文件夹地址';
//图片地址，用相对路径
$files=array();
if ($handle=opendir("$url")) //打开文件句柄
{
while(false !== ($file = readdir($handle)))
{
if ($file != "." && $file != "..")
{
if(substr($file,-3)=='gif'||substr($file,-3)=='jpg') $files[count($files)] = $file;
}
}
}
closedir($handle); //关闭文件句柄
$random=rand(0,count($files)-1);//在0 —— 文件数-1的范围内取值，转化为文件名调用
if(substr($files[$random],-3)=='gif') header("Content-type: image/gif"); //获取扩展名并确定图片类型，可用get_ext函数来实现
else if(substr($files[$random],-3)=='jpg') header("Content-type: image/jpeg"); //同上
readfile("$url/$files[$random]");//读取文件

?>

<div class="panel-smilies" id="panel-smilies" style="display:none">
<div class="panel-smilies-title">{$lnc[241]}

<input name="stat_emot" id="stat_emot" type="checkbox" value="1" onclick="showhidediv('panel-smilies')" />{$lnc[244]}