类的使用demo: 复制代码 代码如下:<?php require_once “roucheng.php”; $gr = new gifresizer; $gr->temp_dir = “keleyi”; $gr->resize(“keleyi.gif”,”keleyi_resized.gif”,500,500); ?> 类的源代码,保存为roucheng.php文件: 复制代码 代码如下:<? /** * * Resizes Animated GIF Files * * ///IMPORTANT NOTE: The script n