maxSize = $maxSize;
$upload->allowExts = $allowExts;
$upload->savePath = '../data/pic/'; // 设置附件
$upload->saveRule = time() . sprintf('%04s', mt_rand(0, 1000));
if (!$upload->upload()) {// 上传错误提示错误信息
   header ('Content-type: text/html; charset=utf-8' );
   echo "";exit;
} else {// 上传成功 获取上传文件信息
    $info = $upload->getUploadFileInfo();
    $imgurl = $info[0]['savename'];
	$arr = explode(" x ",$_POST['filedim']);
	
	
	if($_POST['w'] == '' && $_POST['h'] == ''){
		header ('Content-type: text/html; charset=utf-8' );
		echo "";exit;
	}else{
    $x = ceil($_POST['x1'] * ($arr[0] / 330));
    $y = ceil($_POST['y1'] * ($arr[1] / 330));
    $x2 = $_POST['x2'];
    $y2 = $_POST['y2'];
    $w = ceil($_POST['w']*($arr[0] / 330));
    $h = ceil($_POST['h']*($arr[0] / 330));
	
    include_once("jcrop_image.class.php"); 
    $filep = "../data/pic/";
    $pic_name = $filep . $imgurl;
    $crop = new jcrop_image($filep, $pic_name, $x, $y, $w, $h, $w, $h);
    $file = $crop->crop(); 
	
	header ('Content-type: text/html; charset=utf-8' );
	echo "";exit;
	}
}
?>