获取客服端信息

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>
/// visit 的摘要说明
/// </summary>
public class visit :Page
{
 public visit()
 {
  //
  // TODO: 在此处添加构造函数逻辑
  //
    }
    #region 取获客户端IP地址
    public string GetClientIPAddress(string http_via,string http_x_forwarded_for,string remote_addr) //获取客户端IP地址
    {
        if (http_via != null)
        {
            return http_x_forwarded_for.ToString();
        }
        else
        {
            return remote_addr.ToString();
        }
    }
    #endregion

    #region 获取客户端浏览器
    public string GetClientBrowser(HttpBrowserCapabilities bc) //获取客户端浏览器类型跟版本
    {
        string browserAndVer = "其它";
        if (bc.Browser.ToLower().ToString() == "ie")
        {
            browserAndVer= "Internet Explorer " + bc.Version;
        }
        else if (bc.Browser.ToLower().ToString() == "firefox" || bc.Browser.ToLower().ToString() == "mozilla")
        {
            browserAndVer = "Mozilla Firefox " + bc.Version;
        }
        else if (bc.Browser.ToLower().ToString() == "opera")
        {
            browserAndVer = "Opera " + bc.Version;
        }
        return browserAndVer;
    }
    #endregion

    #region 获取客户端操作系统
    public string GetClientSystem(string sysAgen) //获取客户端操作系统的版本
    {
        string strSysVersion = "其他";
        string strAgentInfo=sysAgen;

        if (strAgentInfo.Contains("NT 5.2"))
        {
            strSysVersion = "Windows Server 2003";
        }
        else if (strAgentInfo.Contains("NT 5.1"))
        {
            strSysVersion = "Windows XP";
        }
        else if (strAgentInfo.Contains("NT 5"))
        {
            strSysVersion = "Windows 2000";
        }
        else if (strAgentInfo.Contains("NT 4.9"))
        {
            strSysVersion = "Windows ME";
        }
        else if (strAgentInfo.Contains("NT 4"))
        {
            strSysVersion = "Windows NT4";
        }
        else if (strAgentInfo.Contains("NT 98"))
        {
            strSysVersion = "Windows 98";
        }
        else if (strAgentInfo.Contains("NT 95"))
        {
            strSysVersion = "Windows 95";
        }
        else if (strSysVersion.ToLower().Contains("Mac"))
        {
            strSysVersion = "Mac";
        }
        else if (strSysVersion.ToLower().Contains("unix"))
        {
            strSysVersion = "UNIX";
        }
        else if (strSysVersion.ToLower().Contains("linux"))
        {
            strSysVersion = "Linux";
        }
        else if (strSysVersion.Contains("SunOS"))
        {
            strSysVersion = "SunOS";
        }

        return strSysVersion;
    }
    #endregion

    #region 获取访问者来源
    public string GetVisitSource(string visitSource)
    {
        string URLSource = "直接输入网址";
        if (visitSource != null)
        {
            return visitSource;
        }
        else
        {
            return URLSource;
        }
    }
    #endregion
}