获取根目录方法如下:
/// <summary>
/// 取得网站的根目录的URL
/// </summary>
/// <param name="Req"></param>
/// <returns></returns>
public static string GetRootURI(HttpRequest Req)
{
string AppPath = "";
if (Req != null)
{
string UrlAuthority = Req.Url.GetLeftPart(UriPartial.Authority);
if (Req.ApplicationPath == null || Req.ApplicationPath == "/")
//直接安装在 Web 站点
AppPath = UrlAuthority;
else
//安装在虚拟子目录下
AppPath = UrlAuthority + Req.ApplicationPath;
}
return AppPath;
}