ASP.NET技术获取IP与MAC地址的方法_ASP.NET技巧

时间：2010-10-13 来源：蔚蓝的大海

　　获取服务器的ip地址方法以DNS法较为简单实用，如下：

以下是引用片段：
　　PRivate void ButtonIP_Click(object sender, System.EventArgs e)
　　{ System.Net.IPAddress[] addressList = Dns.GetHostByName(Dns.GetHostName()).AddressList;
　　if ( addressList.Length>1)
　　{ TextLIP.Text = addressList[0].ToString();
　　TextSIP.Text = addressList[1].ToString();
　　}
　　else
　　{
　　TextLIP.Text = addressList[0].ToString();
　　TextSIP.Text = "没有可用的连接";
　　}
　　}

　　获取服务器的IP地址与MAC地址另一方法如下：

以下是引用片段：
　　using System.Management;
　　string stringMAC = "";
　　string stringIP = "";
　　ManagementClass MC = new ManagementClass "Win32_NetworkAdapterConfiguration");
　　ManagementObjectCollection MOC= MC.GetInstances();
　　foreach(ManagementObject MO in MOC)
　　{
　　if ((bool)MO["IPEnabled"] == true)
　　{
　　stringMAC += MO["MACAddress"].ToString();
　　TextMAC.Text = stringMAC.ToString();
　　string[] IPAddresses = (string[]) MO["IPAddress"];
　　if(IPAddresses.Length > 0)
　　stringIP = IPAddresses[0];
　　TextIP.Text = stringIP.ToString();
　　}
　　}

　　获取客户端本机的IP地址相当简易，方法如下：

以下是引用片段：
　　using System.Net;
　　TextIP.Text=Page.Request.UserHostAddress;

　　如要获取客户端本机的MAC地址就相对复杂些，得导入调用两个API，用ARP协议获取，但这样只能获取到同网段机器的MAC，对于跨网段的得利用IP扫描或cmd中nbtstat命令获取MAC地址。也可通过读取系统注册表值或WMI的数据库来获取。各位如有简易可行的好办法请留言告诉我。

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