asp顶级域名cookie共享设置删除示例

if request.QueryString("del")="1" then'删除操作，删除顶级域名cookie一定要带上path，domain参数
  response.Cookies("rnd")=""'如果是内存cookie，既未设置过expires的cookie，最好是设置cookie对象值为空，内存cookie无法删除，只能等浏览器关闭后自动删除
  response.Cookies("rnd").path="/"
  response.Cookies("rnd").domain="w3dev.cn"
  response.Cookies("rnd").expires=now-2'设置cookie失效
  response.Write "delete cookie"
end if
if request.querystring("set")="1" then
  response.Cookies("rnd")="123"
  response.Cookies("rnd").path="/"
  response.Cookies("rnd").domain="w3dev.cn"
  response.Cookies("rnd").expires=now+7'cookie有效期为7天
  response.Write "set cookie"
end if
response.Write "rnd="&request.Cookies("rnd")