import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
public class IpUtil {
//获取本机IP
public static String getLocalHostLANAddress(){
try {
InetAddress candidateAddress = null;
// 遍历所有的网络接口
for (Enumeration ifaces = NetworkInterface.getNetworkInterfaces(); ifaces.hasMoreElements(); ) {
NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
// 在所有的接口下再遍历IP
for (Enumeration inetAddrs = iface.getInetAddresses(); inetAddrs.hasMoreElements(); ) {
InetAddress inetAddr = (InetAddress) inetAddrs.nextElement();
if (!inetAddr.isLoopbackAddress()) {// 排除loopback类型地址
if (inetAddr.isSiteLocalAddress()) {
// 如果是site-local地址,就是它了
return inetAddr.toString().substring(1);
} else if (candidateAddress == null) {
// site-local类型的地址未被发现,先记录候选地址
candidateAddress = inetAddr;
}
}
}
}
if (candidateAddress != null) {
return candidateAddress.toString().substring(1);
}
// 如果没有发现 non-loopback地址.只能用最次选的方案
InetAddress jdkSuppliedAddress = InetAddress.getLocalHost();
return jdkSuppliedAddress.toString().substring(1);
} catch (Exception e) {
e.printStackTrace();
}
return "无法获取当前IP";
}
}
get IP
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