PHP网页设计PHP上传图片主动加水印 - 仓酷云

<html> <head> <title>图片上传法式
- www.cxybl.com</title> <style type="text/css">  </style> </head> <body> <form enctype="multipart/form-data" method="post" name="upform"> 上传文件: <input name="upfile" type="file"> <input type="submit" value="上传"><br> 答应
上传的文件类型为:<?=implode(', ',$uptypes)?> </form> <?php if ($_SERVER['REQUEST_METHOD'] == 'POST') {    if (!is_uploaded_file($_FILES["upfile"][tmp_name]))    //是不是
存在文件    {       echo "图片不存在!";       exit;    }    $file = $_FILES["upfile"];    if($max_file_size < $file["size"])    //反省
文件巨细
   {       echo "文件太大!";       exit;    }    if(!in_array($file["type"], $uptypes))    //反省
文件类型    {       echo "文件类型不符!".$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) && $overwrite != true)    {       echo "同名文件已
存在了";       exit;    }    if(!move_uploaded_file ($filename, $destination))    {       echo "挪动
文件失足
";       exit;    }    $pinfo=pathinfo($destination);    $fname=$pinfo[basename];    echo " <font color=red>已
胜利
上传</font><br>文件名:  <font color=blue>".$destination_folder.$fname."</font><br>";    echo " 宽度:".$image_size[0];    echo " 长度:".$image_size[1];    echo "<br> 巨细
:".$file["size"]." bytes";    if($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("不撑持
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, $destination);          break;       }       //掩盖
原上传文件       imagedestroy($nimage);       imagedestroy($simage);    }    if($imgpreview==1)    {    echo "<br>图片预览:<br>";    echo "<ccid_file values="\" width=".($image_size[0]*$imgpreviewsize)." height=".($image_size[1]*$imgpreviewsize);"    echo " alt=\"图片预览:\r文件名:".$destination."\r上传工夫
:\" />";    } } ?> </body> </html>

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