function download($file_name){
include('secure.inc');
echo "'$file_name' <br/>";
$sql = "select modelpath from Model where modelname = '$file_name'";
$result = mysql_query($sql);
if(mysql_num_rows($result) < 1){
echo "Sorry, there's no such a file here.";
return false;
}else{
$row = mysql_fetch_array($result);
$file_path = $row['modelpath'];
if(!file_exists($file_path)){
echo "Sorry, the file you searched for is not existed in our database.";
return false;
}else{
$file_size = filesize($file_path); header("Content-type: application/octet-stream");
header("Accept-Ranges: bytes");
header("Accept-Length: '$file_size'");
header("Content-Disposition: attachment; filename=\".$file_name\"");
$fp = fopen($file_path,"r");
$buffer_size = 1024;
$cur_pos = 0;
while(!feof($fp)&&$file_size-$cur_pos>$buffer_size){
$buffer = fread($fp,$buffer_size);
echo $buffer;
$cur_pos += $buffer_size;
}
$buffer = fread($fp,$file_size-$cur_pos);
echo $buffer;
fclose($fp);
return true;
}
}
}
怎么能不在呢?