php圖片水印程式碼，php上傳圖片加水印實例程式碼

//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://bbs.it-home.org/"; //水印字符字串
$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);
}
$filename=$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 "行動檔案出錯";
exit;
}
$pinfo=pathinfo($destination); 🎜>$fname=$pinfo[basename];
echo " 已經成功上傳
檔名:

".$ 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,$iinfomark );
$nimage=imagecreatetruecolor($image_size[0]
,$image_size[1]);
$white=imagecolorallocate($nimage,255,255,255);; ,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); $simage =imagecreatefromwbmp($destination); ; 🎜>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: //加浮水印圖片
$simage1 =imagecreatefromgif("xplore.gif");
imagecopy($nimage,$simage1,0,0,0,0,85 ,15);
imagedestroy($simage1);
break;
}
switch ($iinfo[2])
{
case 1: //image( $nimage, $destination);
imagejpeg($nimage, $destination);
break;
case 2:
imagejpeg($nimage, $destination);
break;
break;
 case 3:
imagepng($nimage, $destination);
break;
case 6:
imagewbmp($nimage, $destination);
//imagejpeg($nimage, $depation );
break;
}
//覆蓋原始上傳檔案
imagedestroy($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:" />";
}
}
?>