<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<body>
<form action="doAction.php" method="post" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="10000000000">
上传项目文件：
<input type="file" name="myFile" id="File" /><br/>
<input type="submit" value="上传"/>
</body>
</html>
/*DOACTION.PHP*/
<?php
header('content-type:text/html;charset=utf-8');
print_r($_FILES);
$file_name=$_FILES['myFile']['name'];
$file_type=$_FILES['myFile']['type'];
$file_tmpname=$_FILES['myFile']['tmp_name'];
$file_size=$_FILES['myFile']['size'];
$file_error=$_FILES['myFile']['error'];
$maxsize=3145728;//限制上传最大的字节数
$allowed_file_type=array('doc','docx','wps','pdf');
$flag=true;//检测上传文件是否符合要求的返回值
//move_uploaded_file($file_tmpname,"php/".$file_name);
//copy($file_tmpname,"php/".$file_name);
if($file_error==0)
{
if($file_size>$maxsize)
{exit('上传文件过大，请上传不大于30M的文件。');}
$ext=pathinfo($file_tmpname,PATHINFO_EXTENSION);
if(!in_array($ext,$allowed_file_type))
{exit("文件的类型不符！");}
if(!is_uploaded_file($file_tmpname))
{exit("文件不是通过HTTP POST方式上传上来的");}
//确保文件名不重复
$uniName=md5(uniqid(microtime(true),ture)).'.'.$ext;
//设置上传文件存储目录
$path='upload';
$dst=$path.'/'.$uniName;
if(@move_uploaded_file($file_tmpname,$dst))
{echo"文件上传成功";}
else
{echo"文件上传失败";}
}
else
{
switch($file_error){
case 1:
echo"BEYOND THE MAXSIZE OF ALLOWED FILE SETTING";break;
case 2:
echo"超过表单MAX_FILE_SIZE限制大小";break;
case 3:
echo"文件被部分上传";break;
case 4:
echo"没有选择上传文件" ;break;
case 6:
echo"没有找到临时目录";break;
case 8:
echo"系统错误";break;
}
}
?>PATHINFO（$file_name,PATHINFO_EXTNSION),你改成这个实施