import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
public class OSUtil {
/**
* 判断当前操作是否Windows.
*
* @return true---是Windows操作系统
*/
public static boolean isWindowsOS(){
boolean isWindowsOS = false;
String osName = System.getProperty("os.name");
if(osName.toLowerCase().indexOf("windows")>-1){
isWindowsOS = true;
}
return isWindowsOS;
}
/**
* 获取本机IP地址，并自动区分Windows还是Linux操作系统
* @return String
*/
public static String getLocalIP(){
String sIP = "";
InetAddress ip = null;
try {
//如果是Windows操作系统
if(isWindowsOS()){
ip = InetAddress.getLocalHost();
}
//如果是Linux操作系统
else{
boolean bFindIP = false;
Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>) NetworkInterface
.getNetworkInterfaces();
while (netInterfaces.hasMoreElements()) {
if(bFindIP){
break;
}
NetworkInterface ni = (NetworkInterface) netInterfaces.nextElement();
//----------特定情况，可以考虑用ni.getName判断
//遍历所有ip
Enumeration<InetAddress> ips = ni.getInetAddresses();
while (ips.hasMoreElements()) {
ip = (InetAddress) ips.nextElement();
if( ip.isSiteLocalAddress()
&& !ip.isLoopbackAddress() //127.开头的都是lookback地址
&& ip.getHostAddress().indexOf(":")==-1){
bFindIP = true;
break;
}
}
}
}
}
catch (Exception e) {
e.printStackTrace();
}
if(null != ip){
sIP = ip.getHostAddress();
}
return sIP;
}
//如果不能满足要求，请留言并说明情况
public static void main(String[] args) {
String serverIP = OS.getLocalIP();
System.out.println("serverIP:::" + serverIP);
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/wts/archive/2009/12/17/5027168.aspx
