<?php
session_start();
// $username=$_POST["uname"]?$_POST["uname"]:$_GET["uname"];
if(!isset($username))
{
echo '你没有权限访问本页,请先登录。';
exit;
}
else
{
echo '<html>
<head>
<tile>文件上传</tile>
<meta http-equiv="cintent-type" content="text/html;charset=gb2312" >
</head>
<body gbcolor="#FFFFFF">';
echo'<form method="post" action="upload.php" enctype="multipart/form -data">
<p>
<input type="file" name="upfile">
</p>
<p>
<input type="submit" name="submit" value="文件上传">
<input type="hidden" name="flag" value="upload">
</p>
</form>';
if($flag=="upload")
{
if($file_name!="")
{
if(!is_dir($username))
mkdir("$username",0777);
$upflag=copy($upfile,"$username//$upfile_name");
}
$upflag=($upflag)?$upflag:FALSE;
if($upflag)
{
echo "<p>文件</p>";
echo $upfile_name;
echo "上传成功";
}
else
echo "<p>上传失败</p>";
}
echo '</body>
</html>';
}
?>
为什么$flag没定义
session_start();
// $username=$_POST["uname"]?$_POST["uname"]:$_GET["uname"];
if(!isset($username))
{
echo '你没有权限访问本页,请先登录。';
exit;
}
else
{
echo '<html>
<head>
<tile>文件上传</tile>
<meta http-equiv="cintent-type" content="text/html;charset=gb2312" >
</head>
<body gbcolor="#FFFFFF">';
echo'<form method="post" action="upload.php" enctype="multipart/form -data">
<p>
<input type="file" name="upfile">
</p>
<p>
<input type="submit" name="submit" value="文件上传">
<input type="hidden" name="flag" value="upload">
</p>
</form>';
if($flag=="upload")
{
if($file_name!="")
{
if(!is_dir($username))
mkdir("$username",0777);
$upflag=copy($upfile,"$username//$upfile_name");
}
$upflag=($upflag)?$upflag:FALSE;
if($upflag)
{
echo "<p>文件</p>";
echo $upfile_name;
echo "上传成功";
}
else
echo "<p>上传失败</p>";
}
echo '</body>
</html>';
}
?>
为什么$flag没定义
注意要大写