asp.net中获取客户端IP地址网卡信息等方法的代码
建站知识 2021-07-03 08:43www.168986.cn长沙网站建设
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MAC.aspx.cs" Inherits="MAC" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://.w3./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://.w3./1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
后台代码:
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 i_addr(string ip);
protected void Page_Load(object sender, EventArgs e)
{
// 在此处放置用户代码以初始化页面
try
{
string userip = Request.UserHostAddress;
string strClientIP = Request.UserHostAddress.ToString().Trim();
Int32 ldest = i_addr(strClientIP); //目的地的ip
Int32 lhost = i_addr(""); //本地服务器的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("正在访问Localhost!");
else
Response.Write("欢迎来自IP为" + 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("欢迎来自IP为" + userip + "<br>" + ",MAC地址为" + mac_dest + "的朋友！"
+ "<br>");
}
catch (Exception err)
{
Response.Write(err.Message);
}
}
}
作者 郑文亮
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://.w3./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://.w3./1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
后台代码:
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 i_addr(string ip);
protected void Page_Load(object sender, EventArgs e)
{
// 在此处放置用户代码以初始化页面
try
{
string userip = Request.UserHostAddress;
string strClientIP = Request.UserHostAddress.ToString().Trim();
Int32 ldest = i_addr(strClientIP); //目的地的ip
Int32 lhost = i_addr(""); //本地服务器的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("正在访问Localhost!");
else
Response.Write("欢迎来自IP为" + 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("欢迎来自IP为" + userip + "<br>" + ",MAC地址为" + mac_dest + "的朋友！"
+ "<br>");
}
catch (Exception err)
{
Response.Write(err.Message);
}
}
}
作者 郑文亮
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