<%if Request.Cookies("venshop")("user_name")="" and Request.Cookies("venshop")("guest")="" then
response.redirect "buy.asp"
response.end
end if
if Request.Cookies("venshop")("user_name")<>"" then
user_name=Request.Cookies("venshop")("user_name")
elseif Request.Cookies("venshop")("guest")<>"" then
user_name=Request.Cookies("venshop")("guest")
end if
if isvalidemail(trim(request("sub_mail")))=false then
showerr "e7"
else
user_mail=trim(request("sub_mail"))
end if
%>
这段代码是什么意思?结束了没有?该怎样继续?