＄MySiteName\"");
Header("HTTP/1.0 401 Unauthorized");
echo "Sorry, you are not authorized to upload files\n";
exit;
}
else
{
if ( !(＄PHP_AUTH_USER==＄MyName && ＄PHP_AUTH_PW==＄MyPassword ) )
{
// 如果是错误的用户名称/密码对，强制再次认证
Header("WWW-Authenticate: Basic realm=\"My Realm\"");
Header("HTTP/1.0 401 Unauthorized");
echo "ERROR : ＄PHP_AUTH_USER/＄PHP_AUTH_PW is invalid.<P>";
exit;
}
}
if ( ＄cancelit )
{
// 当浏览者按下"取消"按钮则转向首页面
header ( "Location: front_2.php3" );
exit;
}
function do_upload () {
global ＄userfile, ＄userfile_size, ＄userfile_name, ＄userfile_type;
global ＄local_file, ＄error_msg;
global ＄HTTP_REFERER;
if ( ＄userfile == "none" ) {
＄error_msg = "You did not specify a file for uploading.";
return;
}
if ( ＄userfile_size > 2000000 )
{
＄error_msg = "Sorry, your file is too large.";
return;
}
// Wherever you have write permission below...
＄upload_dir = "photos";
＄local_file = "＄upload_dir/＄userfile_name";
if ( file_exists ( ＄local_file ) ) {
＄error_msg = "Sorry, a file with that name already exists";
return;
};
// 你还可以由此检查文件名称/类型对以确定是何种文件：gif,jpg,mp3…
rename(＄userfile, ＄local_file);
echo "The file is uploaded<BR>\n";
echo "<A HREF=\"＄HTTP_REFERER\">Go Back</A><BR>\n";
}
＄title = "Upload File";
include("include/header.inc");
if (empty(＄userfile) || ＄userfile=="none")
{
// 输出以下表单
?>
<FORM ACTION="<? echo "＄PHP_SELF"; ?>" ENCTYPE="multipart/form-data" METHOD=POST>
<INPUT TYPE="HIDDEN" NAME="MAX_FILE_SIZE" VALUE="

上一页  [1] [2] [3] [4] [5] [6] 下一页

在google里搜索更多PHP的其他功能

	Web www.51ec.org

上一篇信息学院： PHP与数据库连接

下一篇信息学院： PHP的网络资源