<?php
/**
* TestGuest Version1.0
* ================================================
* Web:295508987@qq.com============================
* Author: sun
* Date: 2014-2-10
**/
//图片上传功能 "<script>alert(‘上传成功‘);history.back();</script>";
if(!is_uploaded_file($_FILES[‘userfile‘][‘tmp_name‘])){
echo ‘米有找到临时文件‘;
}else{
echo ‘临时文件上传成功‘;
}
//移动临时文件到指定目录
if(!move_uploaded_file($_FILES[‘userfile‘][‘tmp_name‘],‘images/‘.$_FILES[‘userfile‘][‘name‘])){
echo ‘为成功‘;
}else{
echo ‘成功‘;
}
echo $_FILES[‘userfile‘][‘name‘];
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" ></script>
<title>图片上传</title>
</head>
<body>
<form enctype="multipart/form-data" action ="file.php?action=file" method="post">
<input type="hidden" name="MAX_FILE_SIZE" value ="1000000" />
选择图片: <input type="file" name="userfile" />
<input type="submit" name="send" value ="上传" />
<img src="images/<?php echo $_FILES[‘userfile‘][‘name‘]; ?>"/>
</form >
</body>
</html>
原文：http://www.cnblogs.com/sunxun/p/4247888.html