上传头像怎么保存图片？

index.php
========================================

<script> <br /> function avatar_success() <br /> { <br /> alert("头像保存成功"); <br /> <br /> } <br /> </script>

 

Flash头像上传组件效果预览

" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="530" height="480">





function create_password($pw_length = 8)
{
    $randpwd = '';
    for ($i = 0; $i      {
        $randpwd .= chr(mt_rand(33, 126));
    }
    return $randpwd;
} 

?>






sdcms.cn.php
===============================
/*
*仿新浪微博上传头像功能
*联系QQ:631897379
*演示：http://www.16934.net/demo
*png1,png2,png3分别为3个尺寸头像的参数，经过base64解密后保存即可
*/
$filename120 = "1_120.jpg"; 
$filename48 = "1_48.jpg"; 
$filename24 = "1_24.jpg";   

 $somecontent1=base64_decode($_POST['png1']);   
 $somecontent2=base64_decode($_POST['png2']);  
 $somecontent3=base64_decode($_POST['png3']);    

if($handle=fopen($filename120,"w+")) 
{   
if(!fwrite($handle,$somecontent1)==FALSE)
{   

fclose($handle);
}
}  

if($handle=fopen($filename48,"w+"))
{   
if(!fwrite($handle,$somecontent2)==FALSE) 
{  
fclose($handle);  
}
} 

if($handle=fopen($filename24,"w+"))
{   
if(!fwrite($handle,$somecontent3)==FALSE)
{  
fclose($handle);  
}
}
 
echo "success=上传成功";
?>

回复讨论(解决方案)

你的$_FILES呢? 
去看手册: $_FILES 你就明白了