用PHP给上传seover='isShowAds = false;isShowAds2 = false;isShowGg = true;InTextAds_GgLayer="_u56FE_u7247";KeyGate_ads.ShowGgAds(this,"_u56FE_u7247",event)' style="BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: 0px; FONT-WEIGHT: normal; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: 0px; CURSOR: hand; COLOR: #0000ff; PADDING-TOP: 0px; BORDER-BOTTOM: 0px; TEXT-DECORATION: underline" onclick='javascript:window.open ("http://pagead2.googlesyndication.com/pagead/iclk?sa=l&ai=BydHONvQbR6jQDYiosAL16pls_sHiKNag_7IDwI23AaCcARADGAMghLTiBygUOABQlKyTkQZgndHWgbgFsgEPd3d3Lmtub3dza3kuY29tyAEB2gEiaHR0cDovL3d3dy5rbm93c2t5LmNvbS8zNDc2NjIuaHRtbIACAakCdAFLh0vggT7IAvKipwOoAwHoA7MD6APuAugD3QQ& num=3&adurl=http://www.alldown.net/download/picasa.htm&client=ca- pub-0892797939732602");GgKwClickStat("图片","www.alldown.net","afc", "2000025465");' onmouseout='isShowGg = false;InTextAds_GgLayer="_u56FE_u7247"'>图片加水印的程序是通过判断文件类型建立图形，然后把其复制到原建立的图形上，填充并建立rectangle，以备写入imagestring()或是原已经定好的图像程序当中判断水印类型：一是字符串，另是增加一个图形对象在上面。如果你对PHP的GD库比较熟悉，看懂这篇文章一点都不难了!
以下是引用片段：
/*****************************************************
参数说明:
$seover='isShowAds = false;isShowAds2 = false;isShowGg = true;InTextAds_GgLayer="max";KeyGate_ads.ShowGgAds(this,"max",event)' style="BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: 0px; FONT-WEIGHT: normal; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: 0px; CURSOR: hand; COLOR: #0000ff; PADDING-TOP: 0px; BORDER-BOTTOM: 0px; TEXT-DECORATION: underline" onclick='javascript:window.open("http://pagead2.googlesyndication.com/pagead/iclk?sa=l&ai=BhqtMNvQbR6jQDYiosAL16pls1YHsMZns_PgDwI23AcCaDBACGAIghLTiBygUOABQz7iJ2gJgndHWgbgFoAG3wtX7A7IBD3d3dy5rbm93c2t5LmNvbcgBAdoBImh0dHA6Ly93d3cua25vd3NreS5jb20vMzQ3NjYyLmh0bWypAnQBS4dL4IE-yAL1iKIDqAMB6AOzA-gD7gLoA90E&num=2&adurl=http://the9afa.allyes.com/main/adfclick%3Fdb%3Dthe9afa%26bid%3D13330,6496,47%26cid%3D2897,145,1%26sid%3D13127%26show%3Dignore%26url%3Dhttp://www.wowchina.com&client=ca-pub-0892797939732602");GgKwClickStat("max","www.wowchina.com","afc","2000025465");' onmouseout='isShowGg = false;InTextAds_GgLayer="max"'>max_file_size : 上传文件大小限制, 单位BYTE
$destination_folder : 上传文件路径
$watermark : 是否附加水印(1为加水印,其他为不加水印);
使用说明:
1. 将PHP.INI文件里面的"extension=php_gd2.dll"一行前面的;号去掉,因为我们要用到GD库;
2. 将extension_dir =改为你的php_gd2.dll所在目录;
3. http://www.knowsky.com/php.asp;
****************************************************/
//上传文件类型列表
$uptypes=array(
'image/jpg',
'image/jpeg',
'image/png',
'image/pjpeg',
'image/gif',
'image/bmp',
'image/x-png'
);
$max_file_size=2000000; //上传文件大小限制, 单位BYTE
$destination_folder="uploadimg/"; //上传文件路径
$watermark=1; //是否附加水印(1为加水印,其他为不加水印);
$watertype=1; //水印类型(1为文字,2为图片)
$waterposition=1; //水印位置(1为左下角,2为右下角,3为左上角,4为右上角,5为居中);
$waterstring="http://www.xplore.cn/"; //水印字符串
$waterimg="xplore.gif"; //水印图片
$imgpreview=1; //是否生成预览图(1为生成,其他为不生成);
$imgpreviewsize=1/2; //缩略图比例
?>
<html>
<head>
<title>ZwelL图片上传程序</title>
<style type="text/css">
<!--
