php圖片加浮水印與上傳圖片加浮水印類

//上傳檔案類型清單
$uptypes=array(
'image/jpg',
'image/ jpeg',
'image/png',
'image/pjpeg',
'image/gif',
'image/bmp',
'image/x-png'
);
$max_file_size=2000000; //上傳檔案大小限制, 單位BYTE
$destination_folder="uploadimg/"; //上傳檔案路徑
$watermark=1; //是否有附加浮水印(1為加浮水印,其他為不加浮水印);
$watertype=1; //水印類型(1為文字,2為圖片)
$waterposition=1; //水印位置(1為左下角,2為右下角
,3為左上角,4為右上角,5為居中);
$waterstring="
http://www.xplore.cn/
$waterimg="xplore.gif"; //水印圖片
$imgpreview=1; //是否產生預覽圖(1為生成,其他為不生成);
$imgpreviewsize=1/2; //縮圖比例
?>


ZwelL圖片上傳程式



method="post" name="upform">上傳檔案:




允許上傳的檔案類型為:=implode(', ',$uptypes) ?>

if ($_SERVER['REQUEST_METHOD'] == 'POST')
{
if (!is_uploaded_file($_FILES["upfile "]
[tmp_name]))
//是否存在檔案
{
echo "圖片不存在!";
exit;
}
$file = $_FILES ["upfile"];
if($max_file_size //檢查檔案大小
{
echo "檔案太大!";
exit;
}
if(!in_array($file["type"], $uptypes))
//檢查檔案類型
{
echo "檔案類型不符!".$file[ "type"];
exit;
}
if(!file_exists($destination_folder))
{
mkdir($destination_folder);
}
mkdir($destination_folder);
}
mkdir($destination_filename=$ file["tmp_name"];
$image_size = getimagesize($filename);
$pinfo=pathinfo($file["name"]);
$ftype=$pinfo['extension'];
$destination = $destination_folder.
time().".".$ftype;
if (file_exists($destination) &&
$overwrite != true)
{
{
 echo "同名檔案已經存在了";
exit;
}
if(!move_uploaded_file ($filename,
$destination))
{
echo "移動檔案出錯"";
exit;
}
$pinfo=pathinfo($destination);
$fname=$pinfo[basename];
echo " 已經成功上傳


".$destination_folder.
$fname."
echo " 寬度:".$ image_size[0];
echo " 長度:".$image_size[1];
echo " 大小:".$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);; >case 6:
$simage =imagecreatefromwbmp($destination);
break;
default:
die("不支援的檔案類型");
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: //加浮水印字串
imagestring($nimage,2 ,3,$image_size[1]-15,
$waterstring,$black);
break;
case 2: //加水印圖片
$simage1 =imagecreatefromgif("xplore.gif" );
imagecopy($nimage,$simage1,0,0,0,0,85,15);
imagedestroy($simage1);
break;
}
switch ($ iinfo[2])
{
case 1:
//imagegif($nimage, $destination);
imagejpeg($nimage, $destination);
break;
casecase 2:
imagejpeg($nimage, $destination);
break;
case 3:
imagepng($nimage, $destination);
break;
case 6:
imagewbmp($nimage, $destination);
//imagejpeg($nimage, $destination);
break;
}
//覆寫原上傳檔案
imagedestroy($nimage) ;
imagedestroy($simage);
}
if($imgpreview==1)
{
echo "圖片預覽:";
echo "height=".($image_size[1]*$imgpreviewsize);"
echo " alt="圖片預覽:r檔案名稱:".
 $destination."r上傳時間:" />";
}
}
?>