session技术：防止用户频繁刷新页面

<%
Dim SplitReflashPage
Dim DoReflashPage
dim shuaxin_time
DoReflashPage=true
shuaxin_time=10
ReflashTime=Now()
if (not isnull(session("ReflashTime"))) and cint(shuaxin_time)>0 and DoReflashPage then
if DateDiff("s",session("ReflashTime"),Now())<cint(shuaxin_time) then
response.write "<META http-equiv=Content-Type content=text/html; charset=gb2312><meta HTTP-EQUIV=REFRESH CONTENT=3>本页面起用了防刷新机制，请不要在<b><font color=ff0000>"&shuaxin_time&"</font></b>秒内连续刷新本页面<BR>正在打开页面，请稍候……"
response.end
else
session("ReflashTime")=Now()
end if
elseif isnull(session("ReflashTime")) and cint(shuaxin_time)>0 and DoReflashPage then
Session("ReflashTime")=Now()
end if
randomize timer
regjm=int(rnd*8998)+1000
%>

<%
Dim URL
If DateDiff("s",Request.Cookies("oesun")("vitistime"),Now())<2 Then
URL=Request.ServerVariables("Http_REFERER")
Response.Write("<meta http-equiv=""refresh"" content=""2;URL="&URL&""">")
Response.Write("防刷新,两秒后自动跳转")
Response.End
End IF
Response.Cookies("oesun")("vitistime")=Now()
%>