使用java獲取本機地址的示例 – JAVA編程語言程序開發技術文章

[java]
/**
 * Get my host IP address
 * @author Administrator
 *
 */ 
import java.util.Enumeration; 
import java.net.*; 
 
public class InetAddressExample { 
    public static void main(String[] args){ 
        //get the network interfaces and the associated addresses for this host 
        try{ 
            Enumeration<NetworkInterface> interfaceList= NetworkInterface.getNetworkInterfaces(); 
            if(interfaceList==null){ 
                System.out.println("No interfaces found!"); 
            }else{ 
                while(interfaceList.hasMoreElements()){ 
                    NetworkInterface iface = interfaceList.nextElement(); 
                    System.out.println("Interface:"+iface.getName()+":"); 
                    Enumeration<InetAddress> addrList = iface.getInetAddresses(); 
                    if (!addrList.hasMoreElements()) { 
                        System.out.println("\t(No addresses for this interface)"); 
                    } 
                    while (addrList.hasMoreElements()) { 
                        InetAddress address = addrList.nextElement(); 
                        System.out.print("\tAddress "+ ((address instanceof Inet4Address ? "(v4)":  
                            (address instanceof Inet6Address ? "(v6)" : "(?)")))); 
                        System.out.println(": " + address.getHostAddress());  
                    } 
                } 
            } 
                 
        }catch(SocketException se){ 
            System.out.println("Error getting network interfaces:" + se.getMessage());  
        } 
        // Get name(s)/address(es) of hosts given on command line 34 for 
        for (String host : args) { 
            try{ 
                System.out.println(host + ":"); 
                InetAddress[] addressList = InetAddress.getAllByName(host);  
                for (InetAddress address : addressList) { 
                    System.out.println("\t" + address.getHostName() + "/" + address.getHostAddress()); 
                } 
            }catch(UnknownHostException e){ 
                System.out.println("\tUnable to find address for " + host); 
            } 
        } 
    } 
}   

摘自  Paste my life. 

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