最新国产好看的视频,伊人天堂AV在线,国产Aaaaaa视频,蜜臀视频在线观看一区,人妻av色图,密臀久久久精品影片,青青视频免费观看毛片,久草在线观看视,国产三级精品色情在线

asp.net中獲取客戶(hù)端IP地址網(wǎng)卡信息等方法的代碼

  發(fā)布時(shí)間:2012-05-17 10:10:04   作者:佚名   我要評(píng)論
網(wǎng)頁(yè)制作中常需要獲取客戶(hù)端的IP地址.這個(gè)在asp.net中用什么代碼呢.下面我們來(lái)看一下
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MAC.aspx.cs" Inherits="MAC" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>無(wú)標(biāo)題頁(yè)</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
后臺(tái)代碼:
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Runtime.InteropServices;
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)
{
// 在此處放置用戶(hù)代碼以初始化頁(yè)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(""); //本地服務(wù)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(wèn)Localhost!");
else
Response.Write("歡迎來(lái)自IP為" + userip + "的朋友!" + "<br>");
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(lái)自IP為" + userip + "<br>" + ",MAC地址為" + mac_dest + "的朋友!"
+ "<br>");
}
catch (Exception err)
{
Response.Write(err.Message);
}
}
}
作者 鄭文亮

相關(guān)文章

最新評(píng)論

平江县| 修文县| 莫力| 会昌县| 延寿县| 永泰县| 丰宁| 福鼎市| 五莲县| 罗甸县| 仪陇县| 海南省| 丘北县| 岐山县| 开化县| 三河市| 友谊县| 滦南县| 弥渡县| 胶南市| 平远县| 丁青县| 岗巴县| 克拉玛依市| 丰都县| 利津县| 克什克腾旗| 阿拉尔市| 南昌县| 大埔区| 林州市| 唐河县| 遵义县| 萝北县| 峨眉山市| 同心县| 错那县| 奉贤区| 吴桥县| 郴州市| 景泰县|