package net.util;
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().contains("windows")) {
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 = NetworkInterface
.getNetworkInterfaces();
while (netInterfaces.hasMoreElements()) {
if (bFindIP) {
break;
}
NetworkInterface ni = 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 = ips.nextElement();
if (ip.isSiteLocalAddress() && !ip.isLoopbackAddress() // 127.开头的都是lookback地址
&& !ip.getHostAddress().contains(":")) {
bFindIP = true;
break;
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
if (null != ip) {
sIP = ip.getHostAddress();
}
return sIP;
}
}