About Request.Url

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;

namespace WebAppRequestUrl
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            WriteLine<string>("Request.Url.AbsolutePath", Request.Url.AbsolutePath);
            WriteLine<string>("Request.Url.AbsolutePath.Split('/')[1]", Request.Url.AbsolutePath.Split('/')[1]);

            WriteLine<string>("Request.Url.AbsoluteUri", Request.Url.AbsoluteUri);
            WriteLine<string>("Request.Url.Authority", Request.Url.Authority);
            WriteLine<string>("Request.Url.DnsSafeHost", Request.Url.DnsSafeHost);
            WriteLine<string>("Request.Url.Fragment", Request.Url.Fragment);
            WriteLine<string>("Request.Url.Host", Request.Url.Host);
            WriteLine<UriHostNameType>("Request.Url.HostNameType", 
                Request.Url.HostNameType, 
                o => o.ToString());
            WriteLine<bool>("Request.Url.IsAbsoluteUri", Request.Url.IsAbsoluteUri);
            WriteLine<bool>("Request.Url.IsDefaultPort", Request.Url.IsDefaultPort);
            WriteLine<bool>("Request.Url.IsFile", Request.Url.IsFile);
            WriteLine<bool>("Request.Url.IsLoopback", Request.Url.IsLoopback);
            WriteLine<bool>("Request.Url.IsUnc", Request.Url.IsUnc);
            WriteLine<string>("Request.Url.LocalPath", Request.Url.LocalPath);
            WriteLine<string>("Request.Url.OriginalString", Request.Url.OriginalString);
            WriteLine<string>("Request.Url.PathAndQuery", Request.Url.PathAndQuery);
            WriteLine<int>("Request.Url.Port", Request.Url.Port);
            WriteLine<string>("Request.Url.Query", Request.Url.Query);
            WriteLine<string>("Request.Url.Scheme", Request.Url.Scheme);
            WriteLine<string[]>("Request.Url.Segments", Request.Url.Segments, o =>
            {
                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < o.Length; ++i)
                {
                    sb.AppendFormat("<span style=\"color:blue;\">{0}</span>    :{1}<br />", i, o[i]);
                }
                return sb.ToString();
            });
            WriteLine<bool>("Request.Url.UserEscaped", Request.Url.UserEscaped, o => (o == true ? "true" : "false"));
            WriteLine<string>("Request.Url.UserInfo", Request.Url.UserInfo);
        }

        private void WriteLine<T>(string name, T output)
        {
            WriteLine<T>(name, output, o => o.ToString());
        }

        private void WriteLine<T>(string name, T output, Func<T, string> toString)
        {
            if (currentRow++ % 2 == 0)
            {
                Output("<div style=\"border:1px solid; background-color:#cccccc; padding:10px; font-family:Arial;\">");
            }
            else
            {
                Output("<div style=\"border:1px solid; background-color:#eeeeee; padding:10px; font-family:Arial;\">");
            }
            Output("<b style=\"color:blue;\">" + name + "</b>     " + output.GetType().FullName + "<br />               ");
            Output("<span style=\"font-family:consolas;\">" + toString(output) + "</span>");
            Output("</div><br />");
        }

        private void Output(string s)
        {
            this.form1.InnerHtml += s;
            this.form1.InnerHtml += "\n";
        }

        private int currentRow;
    }
}

下面是输出：

Request.Url.AbsolutePath System.String
/Default.aspx

Request.Url.AbsolutePath.Split('/')[1] System.String
Default.aspx

Request.Url.AbsoluteUri System.String
http://localhost:17698/Default.aspx?myQuery=volnet

Request.Url.Authority System.String
localhost:17698

Request.Url.DnsSafeHost System.String
localhost

Request.Url.Fragment System.String

Request.Url.Host System.String
localhost

Request.Url.HostNameType System.UriHostNameType
Dns

Request.Url.IsAbsoluteUri System.Boolean
True

Request.Url.IsDefaultPort System.Boolean
False

Request.Url.IsFile System.Boolean
False

Request.Url.IsLoopback System.Boolean
True

Request.Url.IsUnc System.Boolean
False

Request.Url.LocalPath System.String
/Default.aspx

Request.Url.OriginalString System.String
http://localhost:17698/Default.aspx?myQuery=volnet

Request.Url.PathAndQuery System.String
/Default.aspx?myQuery=volnet

Request.Url.Port System.Int32
17698

Request.Url.Query System.String
?myQuery=volnet

Request.Url.Scheme System.String
http

Request.Url.Segments System.String[]
0 :/
1 :Default.aspx

Request.Url.UserEscaped System.Boolean
false

Request.Url.UserInfo System.String