ckeditor上传文件重命名并加水印配置方法_PHP教程

// Path to user files relative to the document root.

$Config['UserFilesPath'] =

// Path to user files relative to the document root.

$Config['UserFilesPath'] = '/uploadfiles/'.date("Ym")."/" ;

// Do a cleanup of the file name to avoid possible problems

function SanitizeFileName( $sNewFileName )

{

global $Config ;

$sNewFileName = stripslashes( $sNewFileName ) ;

// Replace dots in the name with underscores (only one dot can be there... security issue).

if ( $Config['ForceSingleExtension'] )

　$sNewFileName = preg_replace( '/\.(?![^.]*$)/', '_', $sNewFileName ) ;

// Remove / | : ? * " < >

$sNewFileName = preg_replace( '/\\|\/|\||\:|\?|\*|"|<|>/', '_', $sNewFileName );

return $sNewFileName ;

}

// Do a cleanup of the file name to avoid possible problems

function SanitizeFileName( $sNewFileName )

{

global $Config ;

$sNewFileName = stripslashes( $sNewFileName ) ;

// Replace dots in the name with underscores (only one dot can be there... security issue).

if ( $Config['ForceSingleExtension'] )

　$sNewFileName = preg_replace( '/\.(?![^.]*$)/', '_', $sNewFileName ) ;

$sExtension = substr( $sNewFileName, ( strrpos($sNewFileName, '.') + 1 ) ) ;

$sNewFileName = my_setfilename().'.'.$sExtension;

return $sNewFileName ;

}

function my_setfilename(){

$gettime = explode(' ',microtime());

$string = 'abcdefghijklmnopgrstuvwxyz0123456789';

$rand = '';

for ($x=0;$x<12;$x++)

　$rand .= substr($string,mt_rand(0,strlen($string)-1),1);

return date("ymdHis").substr($gettime[0],2,6).$rand;

}

$sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
$sExtension = strtolower( $sExtension ) ;

后添加
$sFileName = rand(0,100).".".$sExtension;

function setWater($imgSrc,$markImg,$markText,$TextColor,$markPos,$fontType,$markType)
{

$srcInfo = @getimagesize($imgSrc);
$srcImg_w = $srcInfo[0];
$srcImg_h = $srcInfo[1];

switch ($srcInfo[2])
{
case 1:
$srcim =imagecreatefromgif($imgSrc);
break;
case 2:
$srcim =imagecreatefromjpeg($imgSrc);
break;
case 3:
$srcim =imagecreatefrompng($imgSrc);
break;
default:
die("不支持的图片文件类型");
exit;
}

if(!strcmp($markType,"img"))
{
if(!file_exists($markImg) || empty($markImg))
{
return;
}

$markImgInfo = @getimagesize($markImg);
$markImg_w = $markImgInfo[0];
$markImg_h = $markImgInfo[1];

if($srcImg_w < $markImg_w || $srcImg_h < $markImg_h)
{
return;
}

switch ($markImgInfo[2])
{
case 1:
$markim =imagecreatefromgif($markImg);
break;
case 2:
$markim =imagecreatefromjpeg($markImg);
break;
case 3:
$markim =imagecreatefrompng($markImg);
break;
default:
die("不支持的水印图片文件类型");
exit;
}

$logow = $markImg_w;
$logoh = $markImg_h;
}

if(!strcmp($markType,"text"))
{
$fontSize = 16;
if(!empty($markText))
{
if(!file_exists($fontType))
{
return;
}
}
else {
return;
}

$box = @imagettfbbox($fontSize, 0, $fontType,$markText);
$logow = max($box[2], $box[4]) - min($box[0], $box[6]);
$logoh = max($box[1], $box[3]) - min($box[5], $box[7]);
}

if($markPos == 0)
{
$markPos = rand(1, 9);
}

switch($markPos)
{
case 1:
$x = +5;
$y = +5;
break;
case 2:
$x = ($srcImg_w - $logow) / 2;
$y = +5;
break;
case 3:
$x = $srcImg_w - $logow - 5;
$y = +15;
break;
case 4:
$x = +5;
$y = ($srcImg_h - $logoh) / 2;
break;
case 5:
$x = ($srcImg_w - $logow) / 2;
$y = ($srcImg_h - $logoh) / 2;
break;
case 6:
$x = $srcImg_w - $logow - 5;
$y = ($srcImg_h - $logoh) / 2;
break;
case 7:
$x = +5;
$y = $srcImg_h - $logoh - 5;
break;
case 8:
$x = ($srcImg_w - $logow) / 2;
$y = $srcImg_h - $logoh - 5;
break;
case 9:
$x = $srcImg_w - $logow - 5;
$y = $srcImg_h - $logoh -5;
break;
default:
die("此位置不支持");
exit;
}

$dst_img = @imagecreatetruecolor($srcImg_w, $srcImg_h);

imagecopy ( $dst_img, $srcim, 0, 0, 0, 0, $srcImg_w, $srcImg_h);

if(!strcmp($markType,"img"))
{
imagecopy($dst_img, $markim, $x, $y, 0, 0, $logow, $logoh);
imagedestroy($markim);
}

if(!strcmp($markType,"text"))
{
$rgb = explode(',', $TextColor);

$color = imagecolorallocate($dst_img, $rgb[0], $rgb[1], $rgb[2]);
imagettftext($dst_img, $fontSize, 0, $x, $y, $color, $fontType,$markText);
}

switch ($srcInfo[2])
{
case 1:
imagegif($dst_img, $imgSrc);
break;
case 2:
imagejpeg($dst_img, $imgSrc);
break;
case 3:
imagepng($dst_img, $imgSrc);
break;
default:
die("不支持的水印图片文件类型");
exit;
}

imagedestroy($dst_img);
imagedestroy($srcim);
}