php imagick库处理pdf有关问题

php imagick库处理pdf问题
Fatal error: Uncaught exception ‘ImagickException’ with message ‘unable to open image `papers/1375680721.pdf’:本文来源gao@!dai!ma.com搞$$代^@码!网!搞gaodaima代码 No such file or directory @ error/blob.c/OpenBlob/2622′ in C:\xampp\htdocs\fc\editpaper.php:38 Stack trace: #0
C:\xampp\htdocs\fc\editpaper.php(38): Imagick->readimage(‘papers/13756807…’) #1 C:\xampp\htdocs\fc\editpaper.php(108): pdf2png(‘papers/13756807…’, ‘papers/’, 0) #2 C:\xampp\htdocs\fc\editpaper.php(211): anli->insert(”) #3 {main} thrown in C:\xampp\htdocs\fc\editpaper.php on line 38

报如下错误

function pdf2png($PDF,$toPath,$page){   <br />	if(!extension_loaded('imagick')){<br />		echo "imagick";<br />		return false;   <br />	}   <br />	if(!file_exists($PDF)){<br />		echo "noexists";<br />		return false;   <br />	}<br />	$IM = new imagick();   <br />	$IM->setResolution(1000,2000);   <br />	$IM->setCompressionQuality(100);   <br />	$IM->readImage($PDF."[".$page."]");<br />	foreach ($IM as $Key => $Var){<br />		$Var->setImageFormat('png');       <br />		$Filename = $toPath.time().'_'.$Key.'.png';       <br />		if($Var->writeImage($Filename) == true){           <br />			$Return[] = $Filename;       <br />		}<br />	}<br />	return $Return;<br />}

PHP

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