if ($_SERVER[’REQUEST_METHOD’] == ’POST’) 
{ 
 if (!is_uploaded_file($_FILES["upfile"][tmp_name])) 
 //是否存在文件 
 { 
 echo "图片不存在!"; 
 exit; 
 } 
 $file = $_FILES["upfile"]; 
 if($max_file_size < $file["size"]) 
 //检查文件大小 
 { 
 echo "文件太大!"; 
 exit; 
 } 
 if(!in_array($file["type"], $uptypes)) 
 //检查文件类型 
 { 
 echo "文件类型不符!".$file["type"]; 
 exit; 
 } 
 if(!file_exists($destination_folder)) 
 { 
 mkdir($destination_folder); 
 } 
 $filename=$file["tmp_name"]; 
 $image_size = getimagesize($filename); 
 $pinfo=pathinfo($file["name"]); 
 $ftype=$pinfo[’extension’]; 
 $destination = $destination_folder.time().".".$ftype; 
 if (file_exists($destination) && $overwrite != true) 
 { 
 echo "同名文件已经存在了"; 
 exit; 
 } 
 if(!move_uploaded_file ($filename, $destination)) 
 { 
 echo "移动文件出错"; 
 exit; 
 } 
 $pinfo=pathinfo($destination); 
 $fname=$pinfo[basename]; 
 echo " 已经成功上传
文件名: 
".$destination_folder.$fname."
"; 
 echo " 宽度:".$image_size[0]; 
 echo " 长度:".$image_size[1]; 
 echo "
大小:".$file["size"]." bytes"; 
 if($watermark==1) 
 { 
 $iinfo=getimagesize($destination,$iinfo); 
 $nimage=imagecreatetruecolor($image_size[0],$image_size[1]); 
 $white=imagecolorallocate($nimage,255,255,255); 
 $black=imagecolorallocate($nimage,0,0,0); 
 $red=imagecolorallocate($nimage,255,0,0); 
 imagefill($nimage,0,0,$white); 
 switch ($iinfo[2]) 
 { 
 case 1: 
 $simage =imagecreatefromgif($destination); 
 break; 
 case 2: 
 $simage =imagecreatefromjpeg($destination); 
 break; 
 case 3: 
 $simage =imagecreatefrompng($destination); 
 break; 
 case 6: 
 $simage =imagecreatefromwbmp($destination); 
 break; 
 default: 
 die("不支持的文件类型"); 
 exit; 
 } 
 imagecopy($nimage,$simage,0,0,0,0,$image_size[0],$image_size[1]); 
 imagefilledrectangle($nimage,1,$image_size[1]-15,80,$image_size[1],$white); 
 switch($watertype) 
 { 
 case 1: //加水印字符串 
 imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black); 
 break; 
 case 2: //加水印图片 
 $simage1 =imagecreatefromgif("xplore.gif"); 
 imagecopy($nimage,$simage1,0,0,0,0,85,15); 
 imagedestroy($simage1); 
 break; 
 } 
 switch ($iinfo[2]) 
 { 
 case 1: 
 //imagegif($nimage, $destination); 
 imagejpeg($nimage, $destination); 
 break; 
 case 2: 
 imagejpeg($nimage, $destination); 
 break; 
 case 3: 
 imagepng($nimage, $destination); 
 break; 
 case 6: 
 imagewbmp($nimage, $destination); 
 //imagejpeg($nimage, $destination); 
 break; 
 } 
 //覆盖原上传文件 
 imagedestroy($nimage); 
 imagedestroy($simage); 
 } 
 if($imgpreview==1) 
 { 
 echo "
图片预览:
"; 
 echo "height=".($image_size[1]*$imgpreviewsize);" 
 echo " alt=\"图片预览:\r文件名:".$destination."\r上传时间:\" />"; 
 } 
} 
?> 
 
 
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