C#获取路由器外网IP，MAC地址的实现代码

using System.Text;
using System.Net;
using System.Text.RegularExpressions;
using System.IO;
public class Router
{
  Encoding gb2312 = Encoding.GetEncoding(936);//路由器的web管理系统默认编码为gb2312
  /// <summary>
  /// 使用HttpWebRequest对象发送请求
  /// </summary>
  /// <param name="url"></param>
  /// <param name="encoding">编码</param>
  /// <param name="cache">凭证</param>
  /// <returns></returns>
  private static string SendRequest(string url, Encoding encoding,CredentialCache cache)
  {
   HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
   if (cache != null)
   {
    request.PreAuthenticate = true;
    request.Credentials = cache;
   }
   string html = null;
   try
   {
    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
    StreamReader srd = new StreamReader(response.GetResponseStream(), encoding);
    html = srd.ReadToEnd();
    srd.Close();
    response.Close();
   }
   catch (Exception ex) { html = "FALSE" + ex.Message; }
   return html;
  }
  /// <summary>
  /// 获取路由MAC和外网IP地址
  /// </summary>
  /// <param name="RouterIP">路由IP地址，就是网关地址了，默认192.168.1.1</param>
  /// <param name="UserName">用户名</param>
  /// <param name="Passowrd">密码</param>
  /// <returns></returns>
  private string LoadMACWanIP(string RouterIP,string UserName,string Passowrd)
  {
   CredentialCache cache = new CredentialCache();
   string url = "http://" + RouterIP + "/userRpm/StatusRpm.htm";
   cache.Add(new Uri(url), "Basic", new NetworkCredential(UserName, Passowrd));
   return SendRequest(url, gb2312, cache);
  }
}

CString GetSystemIp(void) 
{ 
 CString csSource; 
 CString csAddress; 
 CString csIPAddress; 
 csIPAddress.Format(_T(" ")); 
 CInternetSession mySession(NULL,0); 
 CHttpFile* myHttpFile=NULL; 
 csAddress=_T("http://iframe.ip138.com/ic.asp");//ip138网页 http://www.ip138.com/ip2city.asp 
 myHttpFile=(CHttpFile*)mySession.OpenURL(csAddress);//读取网络地址 
 while(myHttpFile->ReadString(csSource)) 
 { //循环读取下载来的网页文本 
  //code 转换 
  char *pStr = (char*)csSource.GetBuffer(csSource.GetLength()); //取得str对象的原始字符串 
  int nBufferSize = MultiByteToWideChar(CP_UTF8, 0,pStr, -1, NULL, 0); //取得所需缓存的多少 
  wchar_t *pBuffer = (wchar_t*)malloc(nBufferSize * sizeof(wchar_t));//申请缓存空间 
  MultiByteToWideChar(CP_UTF8, 0, pStr, -1 , pBuffer, nBufferSize*sizeof(wchar_t));//转码 
  //MessageBox(pBuffer); //显示 
  csSource.Format(_T("%s"),pBuffer); 
  free(pBuffer); //释放缓存 
 
  int begin=0; 
  begin=csSource.Find(_T("["),0); 
  if(begin!=-1)//如果找到"["， 则找"]" 中括号内的文本则是 你的外网ip 
  { 
   int end=csSource.Find(_T("]")); 
   csIPAddress.Format(_T("%s"),csSource.Mid(begin+1,end-begin-1));//提取外网ip 
   return csIPAddress; 
  } 
 } 
 return csIPAddress; 
} 

CString GetMacAddress(void) 
{ 
 //CString strIP,strGateWay,strSubnetMask; 
 CString strMac; 
 strMac.Format(_T("")); 
 u_char pMac[6]; 
 PIP_ADAPTER_INFO adp = NULL; 
 ULONG uLong=0; 
 //为适配器申请内存 
 ::GetAdaptersInfo(adp,&uLong); 
 adp = (PIP_ADAPTER_INFO)::GlobalAlloc(GPTR,uLong); 
 
 //取得本地适配器结构信息 
 if(::GetAdaptersInfo(adp,&uLong) == ERROR_SUCCESS) 
 { 
  if(adp != NULL) 
  { 
   //strMacAdd.Format("%s",adp->Address); 
   memcpy(pMac,adp->Address,6); 
   strMac.Format(_T("%02X-%02X-%02X-%02X-%02X-%02X"),pMac[0],pMac[1],pMac[2],pMac[3],pMac[4],pMac[5]); 
   //strGateWay.Format(_T("%s"),adp->GatewayList.IpAddress.String);// 网关 
   //strIP.Format(_T("%s"),adp->IpAddressList.IpAddress.String);//IP 
   //strSubnetMask.Format(_T("%s"),adp->IpAddressList.IpMask.String);//子网掩码 
   //MessageBox(strMac); 
  } 
 } 
 return strMac; 
}