utility.cs

动易SiteFactory&#8482 网上商店系统1.0源代码

namespace PowerEasy.Common
{
    using System;
    using System.Net;
    using System.Net.Sockets;

    public static class Utility
    {
        public static string ConvertAbsolutePath(string virtualPath, string url)
        {
            if (string.IsNullOrEmpty(url))
            {
                return string.Empty;
            }
            if (!url.Contains("://") && !url.StartsWith("/", StringComparison.InvariantCultureIgnoreCase))
            {
                return (virtualPath + url);
            }
            return url;
        }

        public static IPAddress GetHostIP()
        {
            return GetHostIP("");
        }

        public static IPAddress GetHostIP(string hostName)
        {
            IPAddress[] hostAddresses = Dns.GetHostAddresses(hostName);
            IPAddress none = IPAddress.None;
            foreach (IPAddress address2 in hostAddresses)
            {
                if (address2.AddressFamily == AddressFamily.InterNetwork)
                {
                    return address2;
                }
            }
            return none;
        }
    }
}