PHP 图片的二进制存取 (Mysql)

    <?php  
    $filename = "Admin/Upload/3025994.jpg";  
    // 读取文件  
    $fp = fopen($filename,"rb");  
    $data   =   addslashes(fread($fp,filesize($filename)));  
    fclose($fp);  
    // 操作MYSQL  
    $conn=mysql_connect("localhost","root","admin");  
    @mysql_select_db("mytest",$conn);  
    // 存入数据库  
    $query="insert into pic values (5,'$data')";  
    $result=mysql_query($query);  
    $id=mysql_insert_id();  
     //读取数据  
    $query="select * from pic where picid=5 limit 0,1";  
    $result=mysql_query($query);  
    $row=mysql_fetch_array($result);  
    $data = $row["Pic"];  
    // 显示文件  
    header("Content-type: image/*");  
    echo $data;  
    ?>