php图片上传与预览
<?php
header(“content-Type: text/html; charset=gb2312”);
$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’,
‘application/msword’,
‘audio/x-ms-wma’,
‘audio/mp3’,
‘application/vnd.rn-realmedia’,
‘application/x-zip-compressed’,
‘application/octet-stream’);
$max_file_size=1000000; //上传文件大小限制, 单位BYTE
$path_parts=pathinfo($_SERVER[‘PHP_SELF’]); //取得当前路径
$destination_folder=”up/”; //上传文件路径
$watermark=1; //是否附加水印(1为加水印,0为不加水印);
$watertype=1; //水印类型(1为文字,2为图片)
$waterposition=2; //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.tt365.org“; //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,0为不生成);
$imgpreviewsize=1/1; //缩略图比例
?>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″>
<meta name=”description” content=”365上网导航,365网址导航” />
<style type=”text/css”>
body,td{font-family:tahoma,verdana,arial;font-size:11px;line-height:15px;background-color:white;color:#666666;
strong{font-size:12px;}
a:link{color:#0066CC;}
a:hover{color:#FF6600;}
a:visited{color
搞gaodaima代码
:#003366;}
a:active{color:#9DCC00;}
a{TEXT-DECORATION:none}
td.irows{height:20px;background:url(“index.php?i=dots”) repeat-x bottom}
</style>
<script type=”text/javascript”>function oCopy(obj){obj.select();js=obj.createTextRange();js.execCommand(“Copy”);};function sendtof(url){window.clipboardData.setData(‘Text’,url);alert(‘复制地址成功，粘贴给你好友一起分享。’);};function select_format(){var on=document.getElementByIdx_x(‘fmt’).checked;document.getElementByIdx_x(‘site’).style.display=on?’none’:”;document.getElementByIdx_x(‘sited’).style.display=!on?’none’:”;};var flag=false;function DrawImage(ImgD){var image=new Image();image.src=ImgD.src;if(image.width>0&&image.height>0){flag=true;if(image.width/image.height>=120/80){if(image.width>120){ImgD.width=120;ImgD.height=(image.height*120)/image.width;}else {ImgD.width=image.width;ImgD.height=image.height;};ImgD.alt=image.width+”×”+image.height;}else {if(image.height>80){ImgD.height=80;ImgD.width=(image.width*80)/image.height;}else {ImgD.width=image.width;ImgD.height=image.height;};ImgD.alt=image.width+”×”+image.height;}};};function FileChange(Value){flag=false;document.all.uploadimage.width=10;document.all.uploadimage.height=10;document.all.uploadimage.alt=””;document.all.uploadimage.src=Value;};</script>
<body bgcolor=”#FFFFFF”>
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最大文件限制1M |
|
|
<input%20style="width:208;border:1%20solid%20#9a9999;%20font-size:9pt;%20background-color:#ffffff;%20height:18"%20size="17"%20name=upfile%20type=file onchange=”javascript:FileChange(this.value);”> |
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允许上传的文件类型为:jpg|jpeg|gif|bmp|png|swf|mp3|wma|zip|rar|doc
<?php
if%20($_SERVER[‘REQUEST_METHOD’]%20==%20’POST’)
{
if%20(!is_uploaded_file($_FILES[“upfile”][tmp_name]))
//是否存在文件
{
echo%20″文件不存在！“;
exit;
}
$file%20=%20$_FILES[“upfile”];
if($max_file_size%20<%20$file[“size”])
//检查文件大小
{
echo%20″文件太大！“;
exit;
}
if(!in_array($file[“type”],%20$uptypes))
//检查文件类型
{
echo%20″不能上传此类型文件！“;
exit;
}
if(!file_exists($destination_folder))
mkdir($destination_folder);
$filename=$file[“tmp_name”];
$image_size%20=%20getimagesize($filename);
$pinfo=pathinfo($file[“name”]);
$ftype=$pinfo[extension];
$destination%20=%20$destination_folder.time().”.”.$ftype;
if%20(file_exists($destination)%20&&%20$overwrite%20!=%20true)
{
echo%20″同名文件已经存在了！”;
exit;
}
if(!move_uploaded_file%20($filename,%20$destination))
{
echo%20″移动文件出错！”;
exit;
}
$pinfo=pathinfo($destination);
$fname=$pinfo[basename];
echo%20″%20成功上传,鼠标移动到地址栏自动复制
图片UBB代码
|
“;
echo%20″%20宽度:”.$image_size[0];
echo%20″%20长度:”.$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%20($iinfo[2])
{
case%201:
$simage%20=imagecreatefromgif($destination);
break;
case%202:
$simage%20=imagecreatefromjpeg($destination);
break;
case%203:
$simage%20=imagecreatefrompng($destination);
break;
case%206:
$simage%20=imagecreatefromwbmp($destination);
break;
default:
die(“不能上传此类型文件！”);
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($watertype)
{
case%201:%20//加水印字符串
imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black);
break;
case%202:%20//加水印图片
$simage1%20=imagecreatefromgif(“xplore.gif”);
imagecopy($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 “
图片预览:
“;
echo “
echo ” alt=\”图片预览:\r文件名:”.$fname.”\r上传时间:”.date(‘m/d/Y h:i’).”\” border=’0′>”;
}
}
?>
卫星tp是什么意思：http://zhidao.baidu.com/question/248832437.html
转载请注明原文链接：php图片下传与预览
