#region 获取web客户端ip
/// <summary>
/// 获取IP地址
/// </summary>
/// <returns></returns>
public static string getIPAddress()
{
string ipv4 = String.Empty;
foreach (IPAddress ip in Dns.GetHostAddresses(GetClientIP()))
{
if (ip.AddressFamily.ToString() == "InterNetwork")
{
ipv4 = ip.ToString();
break;
}
}
if (ipv4 != String.Empty)
{
return ipv4;
}
// 利用 Dns.GetHostEntry 方法,由获取的 IPv6 位址反查 DNS 纪录,
// 再逐一判断何者为 IPv4 协议,即可转为 IPv4 位址。
foreach (IPAddress ip in Dns.GetHostEntry(GetClientIP()).AddressList)
//foreach (IPAddress ip in Dns.GetHostAddresses(Dns.GetHostName()))
{
if (ip.AddressFamily.ToString() == "InterNetwork")
{
ipv4 = ip.ToString();
break;
}
}
return ipv4;
}
private static string GetClientIP()
{
if (null == HttpContext.Current.Request.ServerVariables["HTTP_VIA"])
{
return HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
else
{
return HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
}
}
#endregion