獲取客戶端IP及MAC地址,下邊分為了C#後臺獲取的方法和前臺Javascript(呼叫ActiveX)獲取的方法
C#程式碼獲取:
using System;
using System。Collections。Generic;
using System。Linq;
using System。Web;
using System。Web。UI;
using System。Web。UI。WebControls;
using System。Runtime。InteropServices;
namespace MyTest
{
public partial class mac : System。Web。UI。Page
{
[DllImport(“Iphlpapi。dll”)]
private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
[DllImport(“Ws2_32。dll”)]
private static extern Int32 inet_addr(string ip);
protected void Page_Load(object sender, EventArgs e)
{
GetMac();
}
//獲取客戶端IP
private string GetClientIP()
{
string result = HttpContext。Current。Request。ServerVariables[“HTTP_X_FORWARDED_FOR”];
if (null == result || result == String。Empty)
{
result = HttpContext。Current。Request。ServerVariables[“REMOTE_ADDR”];
}
if (null == result || result == String。Empty)
{
result = HttpContext。Current。Request。UserHostAddress;
}
return result;
}
//獲取MAC地址
private void GetMac()
{
// 在此處放置使用者程式碼以初始化頁面
try
{
string userip = Request。UserHostAddress;
string strClientIP = Request。UserHostAddress。ToString()。Trim();
Int32 ldest = inet_addr(strClientIP); //目的地的ip
Int32 lhost = inet_addr(“”); //本地伺服器的ip
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref macinfo, ref len);
string mac_src = macinfo。ToString(“X”);
if (mac_src == “0”)
{
if (userip == “127。0。0。1”)
Response。Write(“正在訪問Localhost!”);
else
Response。Write(“歡迎來自IP為” + userip + “的朋友!” + “
”);
return;
}
while (mac_src。Length < 12)
{
mac_src = mac_src。Insert(0, “0”);
}
string mac_dest = “”;
for (int i = 0; i < 11; i++)
{
if (0 == (i % 2))
{
if (i == 10)
{
mac_dest = mac_dest。Insert(0, mac_src。Substring(i, 2));
}
else
{
mac_dest = “-” + mac_dest。Insert(0, mac_src。Substring(i, 2));
}
}
}
Response。Write(“歡迎來自IP為” + userip + “
” + “,MAC地址為” + mac_dest + “的朋友!”
+ “
”);
}
catch (Exception err)
{
Response。Write(err。Message);
}
}
}
}