php文件上传类

<html> 

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<title>网页教学网(webjx.com)文件上传实例</title>

</head>

<body>

<form enctype="multipart/form-data" action=upfile.php method=post>

<input type="hidden" name="MAX_FILE_SIZE" value="2000000">

<input type=file name=upfile size=20>

<input type=submit value='上传文件'>

</form>

</body>

</html>
<?

function getname($exname){

$dir = "../uploadfile/";

$i=1;

if(!is_dir($dir)){

mkdir($dir,0777);

}

while(true){

if(!is_file($dir.$i.".".$exname)){

$name=$i.".".$exname;

break;

}

$i++;

}

return $dir.$name;

}

$exname=strtolower(substr($_FILES['upfile']['name'],(strrpos($_FILES['upfile']['name'],'.')+1)));

$uploadfile = getname($exname);

if (move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile)) {

echo "<h2><font color=#ff0000>文件上传成功!</font></h2><br><br>";

}else {

echo "<h2><font color=#ff0000>文件上传失败!</font></h2><br><br>";

}

echo "下面是文件上传的一些信息:

<br><br>原文件名:".$_FILES['upfile']['name'] .

"<br><br>类型:" .$_FILES['upfile']['type'] .

"<br><br>临时文件名:".$_FILES['upfile']['tmp_name'].

"<br><br>文件大小:".$_FILES['upfile']['size'] .

"<br><br>错误代码:".$_FILES['upfile']['error'];
?>
posted on 2014-03-07 14:41  面壁偷笑  阅读(320)  评论(0编辑  收藏  举报