程序代码<?php
session_start();
error_reporting(E_ALL^E_NOTICE);//去除变量为空时的错误
$uptypes=array('image/jpg', //上传文件类型列表
'image/jpeg',
'image/png',
'image/pjpeg',
'image/gif',
'image/bmp',
'application/x-shockwave-flash',
'image/x-png');
$max_file_size=20000000; //上传文件大小限制, 单位BYTE
$destination_folder="up/"; //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="www.yctwohand.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);
$imgsmallsize=100; //缩略图大小定义
?>
<html>
<head>
<title>www.yctwohand.cn picupload</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">body,td{font-family:tahoma,verdana,arial;font-size:11px;line-height:15px;background-color:white;color:#666666;margin-left:20px;}
strong{font-size:12px;}
a:link{color:#0066CC;}
a:hover{color:#FF6600;}
a:visited{color:#003366;}
a:active{color:#9DCC00;}
table.itable{}
td.irows{height:20px;}</style>
</head>
<body>
<form enctype="multipart/form-data" method="post" name="upform">
<input name="upfile" type="file" size="50 style="width:200;border:1 solid #9a9999; font-size:9pt; background-color:#ffffff">
<input type="submit" value="上传" style="width:30;border:1 solid #9a9999; font-size:9pt; background-color:#ffffff" size="17" onClick="parent.document.getElementById('picname').value=forms[0].upfile.value;forms[0].submit();">
</form>
<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST')
{
if (!is_uploaded_file($_FILES["upfile"][tmp_name]))
//是否存在文件
{
echo "<font color='red'>文件不存在！</font>";
exit;
}
$file = $_FILES["upfile"];
if($max_file_size < $file["size"])
//检查文件大小
{
echo "<font color='red'>文件太大！</font>";
exit;
}
if(!in_array($file["type"], $uptypes))
//检查文件类型
{
echo "<font color='red'>只能上传图像文件或Flash！</font>";
exit;
}
if(!file_exists($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) && $overwrite != true)
{
echo "<font color='red'>同名文件已经存在了！</a>";
exit;
}
if(!move_uploaded_file ($filename, $destination))
{
echo "<font color='red'>移动文件出错！</a>";
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>";
echo " <font color=red>已经成功上传</font> ";
echo " 宽度:".$image_size[0];
echo " 长度:".$image_size[1];
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("<font color='red'>不能上传此类型文件！</a>");
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);
//缩图大小
$n=$image_size[0]/$image_size[1];
if($n>=1)
{
if($image_size[0]>$imgsmallsize)
{
$image_size[0]=$imgsmallsize;
$image_size[1]=$imgsmallsize/$n;
}
}
else
{
if($image_size[1]>$imgsmallsize)
{
$image_size[1]=$imgsmallsize;
$image_size[0]=$imgsmallsize*$n;
}
}
}
if($imgpreview==1)
{
echo "<br>图片预览:<br>";
echo "<a href=\"".$destination."\" target='_blank'><img src=\"".$destination."\" width=".($image_size[0])." height=".($image_size[1]);
echo " alt=\"图片预览:\r文件名:".$destination."\r上传时间:\" border='0'></a>";
//echo "<javascript>parent.document.getElementById('picname').value="."</javascript>"
//echo " <script>parent.document.getElementById('picname').value=fgdgf</script> "
if(!session_is_registered("Goodspicname"))
{
session_register("Goodspicname");
}
$_session["Goodspicname"]=$destination;
echo $_session["Goodspicname"];
>}
}
?>
</body>
</html>
