asp下载防盗链代码第一种: 终于对下载系统做了个防盗链措施,在下载的页面头部做了如下代码,相关代码如下: 代码如下:<% From_url = Cstr(Request.ServerVariables(“HTTP_REFERER”)) Serv_url = Cstr(Request.ServerVariables(“SERVER_NAME”)) if mid(From_url,8,len(Serv_url)) <> Serv_url and mid(From_url,8,len(Serv_url))<>”ITstudy.cn” and mid(Fr