减少垃圾留言

 减少垃圾留言！修改留言本代码，修改 bookaction.asp ，在 51 行后添加红色的代码。

 FlowControl=false
 
  IF  isnull(Session("GetCode")) or Session("GetCode")="" or cstr(lcase(Session("GetCode")))<>cstr(lcase(validate)) then
   set Session("GetCode") = nothing
      showmsg "留言发表错误信息","<b>验证码有误，请返回重新输入</b><br/><a href=""LoadMod.asp?plugins=GuestBookForPJBlog"">请返回重新输入</a>","ErrorIcon","plugins"
      exit function
  end if
      set Session("GetCode") = nothing
  set LastMSG=conn.execute("select top 1 book_Content from blog_book order by book_ID desc")