utility.cs

一个网上购物系统

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// Summary description for Utility
/// </summary>
public class Utility {
    public static string GetSiteRoot(){
        string Port = System.Web.HttpContext.Current.Request.ServerVariables["SERVER_PORT"];
        if (Port == null || Port == "80" || Port == "443")
            Port = "";
        else
            Port = ":" + Port;

        string Protocol = System.Web.HttpContext.Current.Request.ServerVariables["SERVER_PORT_SECURE"];
        if (Protocol == null || Protocol == "0")
            Protocol = "http://";
        else
            Protocol = "https://";

        string sOut = Protocol + System.Web.HttpContext.Current.Request.ServerVariables["SERVER_NAME"] + Port + System.Web.HttpContext.Current.Request.ApplicationPath;
        return sOut;
    }
}