Test.java
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package com.thinkgem.jeesite.tools;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.common.collect.Lists;
public class Test {
public static void main(String[] args) {
List<String> list = getIPList();
if(list.contains("172.16.58.79")) {
System.out.println("true" );
}
}
public static List<String> getIPList() {
List<String> res_list = Lists.newArrayList();
Enumeration<NetworkInterface> e1;
try {
e1 = NetworkInterface.getNetworkInterfaces();
while (e1.hasMoreElements()) {
NetworkInterface ni = e1.nextElement();
List<String> ips = Lists.newLinkedList();
Enumeration<InetAddress> e2 = ni.getInetAddresses();
while (e2.hasMoreElements()) {
InetAddress ia = e2.nextElement();
if(ia instanceof Inet6Address) {
continue; // omit IPv6 address
}
ips.add(ia.getHostAddress());
}
res_list.addAll(ips);
}
} catch (SocketException e) {
e.printStackTrace();
}
return res_list;
}
public static Map<String, List<String>> getLocalIP() {
Map<String, List<String>> map = new HashMap<String, List<String>>();
Enumeration<NetworkInterface> e1;
try {
e1 = NetworkInterface.getNetworkInterfaces();
while (e1.hasMoreElements()) {
NetworkInterface ni = e1.nextElement();
List<String> ips = Lists.newLinkedList();
map.put(ni.getName(), ips);
Enumeration<InetAddress> e2 = ni.getInetAddresses();
while (e2.hasMoreElements()) {
InetAddress ia = e2.nextElement();
if(ia instanceof Inet6Address) {
continue; // omit IPv6 address
}
ips.add(ia.getHostAddress());
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return map;
}
}