<%
aa=request.totalbytes
if aa>204000 then
response.write "文件过大"
response.end
end if
if aa<1 then
response.write"没有文件"
response.end
end if
bb=request.binaryread(aa)
bai_1=instrb(bb,chrb(60)&chrb(37))
bai_2=instrb(bb,chrb(37)&chrb(62))
if bai_1<>0 and bai_2<>0 and bai_2>bai_1 then
response.write "无法通过安检,请换图"
response.end
end if%>

我加了啊