怎样读取一个不在web目录下的图片文件?

Question

如题!页面返回的结果总是http://localhost/Fax/imageTest.php
代码如下: <?php
            header("Content-type:image/jpeg");
            $url="D:/web/Apache Service/htdocs/Fax/aa/20091117.jpg";
//            $image=fread(fopen($url,"r"),filesize("20091117.jpg"));
            $im=readfile($url);
            echo $im;
        ?>

Answer 1

<?php
            header("Content-type:image/jpeg");
            $url="D:/web/Apache Service/htdocs/Fax/aa/20091117.jpg"; 
            readfile($url);
        ?>

Answer 2

<?php
            header("Content-type:image/jpeg");
            $url=$_GET;
            $im=readfile($url);
            echo $im;
        ?>