using System;using System.Data;using System.Configuration;using System.Collections;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;using System.Net;using System.Net.Sockets;
public partial class ip : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { string user_IP; if (Request.ServerVariables["HTTP_VIA"] != null) { user_IP = Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString(); } else { user_IP = Request.ServerVariables["REMOTE_ADDR"].ToString(); }
Label1.Text = user_IP;
}
protected void Button1_Click(object sender, EventArgs e) {
System.Net.IPAddress[] addressList = Dns.GetHostByName(Dns.GetHostName()).AddressList; if (addressList.Length > 1) { TextBox1.Text = addressList[0].ToString(); TextBox2.Text = addressList[1].ToString(); } else { TextBox1.Text = addressList[0].ToString(); TextBox2.Text = "没有可用的连接"; }
}}
ip.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ip.aspx.cs" Inherits="ip" %>
<!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>无标题页</title></head><body> <form id="form1" runat="server"> <div> <table> <tr> <td style="width: 143px; height: 21px"> 请输入IP地址：</td> <td colspan="2" style="width: 287px; height: 21px"> <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></td> </tr> <tr> <td style="width: 143px"> 域名：</td> <td colspan="2" style="width: 287px"> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br /> <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td> </tr> <tr> <td colspan="3"> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="查询" /></td> </tr> </table> </div> </form></body></html>
