<?php
//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.jb200.com/"; //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); 
$imgpreviewsize=1/2; //缩略图比例 
?> 
<html> 
<head> 
<title>ZwelL
图片上传程序</title> 
<style type="text/css"> 
<!-- 
body 
{ 
font-size: 9pt; 
} 
input 
{ 
background-color: #66CCFF; 
border: 1px inset #CCCCCC; 
} 
--> 
</style> 
</head> 
<body> 
<form enctype="multipart/form-data" 
method="post" name="upform"> 
上传文件: 
<input name="upfile" type="file"> 
<input type="submit" value="上传"><br> 
允许上传的文件类型为:<?=implode(', ',$uptypes)?> 
</form> 
<?php 
if ($_SERVER['REQUEST_METHOD'] == 'POST') 
{ 
if (!is_uploaded_file($_FILES["upfile"] 
[tmp_name])) 
//是否存在文件 
{ 
echo "图片不存在!"; 
exit; 
} 
$file = $_FILES["upfile"]; 
if($max_file_size <$file["size"]) 
//检查文件大小 
{ 
echo "文件太大!"; 
exit; 
} 
if(!in_array($file["type"], $uptypes)) 
//检查文件类型 
{ 
echo "文件类型不符!".$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) && 
$overwrite != true) 
{ 
echo "同名文件已经存在了"; 
exit; 
} 
if(!move_uploaded_file ($filename, 
$destination)) 
{ 
echo "移动文件出错"; 
exit; 
} 
$pinfo=pathinfo($destination); 
$fname=$pinfo[basename]; 
echo " <font color=red>已经成功上传 
</font><br>文件名: 
<font color=blue>".$destination_folder. 
$fname."</font><br>"; 
echo " 宽度:".$image_size[0]; 
echo " 长度:".$image_size[1]; 
echo "<br> 大小:".$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("不支持的文件类型"); 
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, $destination); 
break; 
} 
//覆盖原上传文件 
imagedestroy($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上传时间:" />"; 
} 
} 
?> 
</body> 
</html>