header(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbk
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbkheader(contenttype:applicationoctetstream);
header(contentdisposition:attachment;filename=$filename);
echo"gbk