<?php
$url='../images'; //图片地址,只可以用./you/images这样的路径
$files=array(); if ($handle=opendir("$url")) { while(false !== ($file = readdir($handle))) { if ($file != "." && $file != "..") { if(substr($file,-3)=='gif' || substr($file,-3)=='jpg') $files[count($files)] = $file; } } } closedir($handle);
$random=rand(0,count($files)-1); if(substr($files[$random],-3)=='gif') header("Content-type: image/gif"); elseif(substr($files[$random],-3)=='jpg') header("Content-type: image/jpeg"); readfile("$url/$files[$random]");
?> |