照片收藏夹
我们将引用基于HTTP的验证、文件系统函数和文件上传功能维护放置图像文件的目录。
同时我们需要建立一个可以列出在该目录下所有照片的页面。
文件上传
<?
include("include/common.inc");
// 我们在这里再做一次用户验证
if(!isset($PHP_AUTH_USER))
{
Header("WWW-Authenticate: Basic realm="$MySiteName"");
Header("HTTP/1.0 401 Unauthorized");
echo "Sorry, you are not authorized to upload filesn";
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) (北联网教程,专业提供视频软件下载)
……