down.php

来自「极限网络智能办公系统—MYOA26—100％—源程序。」· PHP 代码 · 共 43 行

<?php

include_once( "inc/conn.php" );
include_once( "inc/auth.php" );
$connection = openconnection( );
$query = "SELECT * from PICTURE where PIC_ID={$PIC_ID}";
$cursor = exequery( $connection, $query );
if ( $ROW = mysql_fetch_array( $cursor ) )
{
	$PIC_PATH = $ROW['PIC_PATH'];
}
if ( $FILE_NAME != "" )
{
	$FILE_NAME = substr( $FILE_NAME, strrpos( $FILE_NAME, "/" ) );
	if ( $SUB_DIR != "" && substr( $PIC_PATH, strlen( $PIC_PATH ) - 1, 1 ) == "/" )
	{
		$FILE_PATH = $PIC_PATH.$SUB_DIR;
	}
	else
	{
		$FILE_PATH = $PIC_PATH."/".$SUB_DIR;
	}
	$FILE_PATH .= "/".$FILE_NAME;
	if ( !file_exists( $FILE_PATH ) )
	{
		echo "找不到指定文件";
		exit( );
	}
	clearstatcache( );
	$fp = fopen( $FILE_PATH, "rb" );
	header( "Cache-control: private" );
	header( "Content-type: application/octet-stream" );
	header( "Accept-Ranges: bytes" );
	header( "Accept-Length: ".filesize( $FILE_PATH ) );
	header( "Content-Disposition: attachment; filename=".$FILE_NAME );
	while ( !feof( $fp ) )
	{
		echo fread( $fp, 50000 );
	}
	fclose( $fp );
}
?>