test

    private String GetUserIp()
    {
        if (Request.ServerVariables["HTTP_VIA"]!=null)//有代理服務器IP
        {
            return Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();//得到真實IP
        }
        else
        {
            return Request.ServerVariables["REMOTE_ADDR"].ToString();
        }
    }

    private String GetUserIp()
    {
        if (Request.ServerVariables["HTTP_VIA"]!=null)//有代理服務器IP
        {
            return Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();//得到真實IP
        }
        else
        {
            return Request.ServerVariables["REMOTE_ADDR"].ToString();
        }
    }</pre>