背景：
我用的是新浪云SAE，求帮忙看一下，多谢各位了。
错误提示：
Warning: imagejpeg() [function.imagejpeg]: Unable to open '123.jpg' for writing: Permission denied in 3.php on line 86
错误对应代码：
imagejpeg($newim,$name);
全部代码：
<html>
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head>
<body>
<form action="3.php" method="post" enctype="multipart/form-data">
<input type="file" name="file" id="file" /><br />
<input type="submit" name="submit" value="Submit" />
</form>
<?php
//配置Storage的上传域、上传路径
$domain = "lapiao";
$path = "/uploads/";
$upload_dir = "saestor://".$domain.$path;
//如果路径不存在则新建
if(!is_dir($upload_dir)){mkdir($upload_dir,0777);}
//-------------------------上传 begin----------------
//移动目录
if(move_uploaded_file($_FILES["file"]["tmp_name"],$upload_dir.$_FILES["file"]['name']))
{
$url = "http://".$_SERVER['HTTP_APPNAME']."-".$domain.".stor.sinaapp.com".$path.$_FILES["file"]['name'];
echo '<br><br>';
echo '<br><br>';
echo "Image url:<br>".$url."<br/>";
echo "<img src='$url' />";
}
function resizeImage($im,$maxwidth,$maxheight,$name,$filetype)
{
$pic_width = imagesx($im);
$pic_height = imagesy($im);
if(($maxwidth && $pic_width > $maxwidth) || ($maxheight && $pic_height > $maxheight))
{
if($maxwidth && $pic_width>$maxwidth)
{
$widthratio = $maxwidth/$pic_width;
$resizewidth_tag = true;
}
if($maxheight && $pic_height>$maxheight)
{
$heightratio = $maxheight/$pic_height;
$resizeheight_tag = true;
}
if($resizewidth_tag && $resizeheight_tag)
{
if($widthratio<$heightratio)
$ratio = $widthratio;
else
$ratio = $heightratio;
}
if($resizewidth_tag && !$resizeheight_tag)
$ratio = $widthratio;
if($resizeheight_tag && !$resizewidth_tag)
$ratio = $heightratio;
$newwidth = $pic_width * $ratio;
$newheight = $pic_height * $ratio;
if(function_exists("imagecopyresampled"))
{
$newim = imagecreatetruecolor($newwidth,$newheight);
imagecopyresampled($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height);
}
else
{
$newim = imagecreate($newwidth,$newheight);
imagecopyresized($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height);
}
$name = $name.$filetype;
//imagejpeg($newim,"http://lapiao-lapiao.stor.sinaapp.com/uploads/jpg.jpg");
//imagejpeg($newim,"saestor://lapiao/uploads/");
imagejpeg($newim,$name);
echo $newim;
echo '<br>';
echo $name;
imagedestroy($newim);
}
else
{
$name = $name.$filetype;
imagejpeg($im,$name);
}
}
//$im=imagecreatefromjpeg("saestor:/".$_FILES["file"]["tmp_name"]);//参数是图片的存方路径
$im=imagecreatefromjpeg("$url");//参数是图片的存方路径
$maxwidth="50";//设置图片的最大宽度
$maxheight="50";//设置图片的最大高度
$name="123";//图片的名称，随便取吧
$filetype=".jpg";//图片类型
resizeImage($im,$maxwidth,$maxheight,$name,$filetype);//调用上面的函数
?>
</body>
</html>
