我晕没保存就传上去了

函数这个

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);

}