% userid=cint(request.querystring("userid")) answer=trim(request.form("answer")) if request("step")=2 then '第二步,判断用户名是否存在 if answer<>"" then set rs=server.createobject("adodb.recordset") sql="select id,answer from [web_register] where id="&userid&" and answer='"&answer&"'" rs.open(sql),cn,1,1 if rs.eof then response.write"" else response.redirect "get3.asp?UserId="&rs("id") end if rs.close set rs=nothing end if end if %>