Java获取当前服务器IP实现

package hope.ipaddress.demo;import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;/**
* 获取当前服务器IP
* @author hp
*
*/
public class IpDemo { /**
* @param args
*/
public static void main(String[] args) {
System.out.println(getMyIp());
} @SuppressWarnings("rawtypes")
public static String getMyIp() {
String localip = null;// 本地IP，如果没有配置外网IP则返回它
String netip = null;// 外网IP
try {
Enumeration netInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip = null;
boolean finded = false;// 是否找到外网IP
while (netInterfaces.hasMoreElements() && !finded) {
NetworkInterface ni = (NetworkInterface) netInterfaces.nextElement();
Enumeration address = ni.getInetAddresses();
while (address.hasMoreElements()) {
ip = (InetAddress) address.nextElement();
if (!ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {// 外网IP
netip = ip.getHostAddress();
finded = true;
break;
} else if (ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {// 内网IP
localip = ip.getHostAddress();
}
}
}
} catch (SocketException e) {
e.printStackTrace();
} if (netip != null && !"".equals(netip)) {
return netip;
} else {
return localip;
}
}}