怎样获取服务器的域名

Question

如我的文件在http://www.123.com/a/test.aspx
我怎样获得http://www.123.com/(即服务器根目录域名),我要代码

Answer 1

qDomName = Environment.UserDomainName.ToString();

Answer 2

Request.Url.ToString();
Request .ApplicationPath.ToString (); 2个字符串截取就出来了

Answer 3

string xx="http://"+Request.Url.Host;

Answer 4

qDomName = Environment.UserDomainName.ToString(); 

Answer 5

Regex.Split(Request.Url.AbsoluteUri, @"[^/]/[^/]")[0];

Answer 6

Request.Url.Scheme + "://"+ Request.Url.Host + ":" + Request.Url.Port;

Answer 7

/// <summary>
        /// 获取网站的根目录
        /// </summary>
        /// <param name="context"></param>
        /// <returns></returns>
        private string GetUrl(HttpContext context)
        {
            string url = "http://" + context.Request.Url.Host;
            if (!context.Request.Url.IsDefaultPort)
            {
                url += ":" + context.Request.Url.Port;
            }            if (!String.IsNullOrEmpty(context.Request.ApplicationPath) && context.Request.ApplicationPath != "/")
            {
                url += context.Request.ApplicationPath;
            }            return url;
        }

Answer 8

由于我代码是写到类里面的,没有外部访问,不能用Request,有没别的办法?

Answer 9

用7#方法或
HttpContext.Current.Request