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Java 获取IP和机器名

2016-10-23 17:08 357 查看
1. 通过IP获取机器名 or 通过机器名获取ip

    host :主机        hostAddress :ip       hostName:机器名

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Test01 {
public static void main(String[] args) throws UnknownHostException {
InetAddress addr=null;
String ip="";
String address="";
try{
// cp01-fengchao-public-7.epc.baidu.com|10.95.130.73
addr = InetAddress.getByName("cp01-fengchao-public-7.epc.baidu.com");
ip = addr.getHostAddress().toString(); //获得机器IP  
address = addr.getHostName().toString(); //获得机器名称
System.out.println(ip + "|" + address);
}catch(Exception e){
e.printStackTrace();
}
}
}
2. 获取本机的ip和机器名

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Test01 {
public static void main(String[] args) throws UnknownHostException {
InetAddress addr=null;
String ip="";
String address="";
try{
// cp01-fengchao-public-7.epc.baidu.com|10.95.130.73
//            addr = InetAddress.getByName("cp01-fengchao-public-7.epc.baidu.com");
addr = InetAddress.getLocalHost();
ip = addr.getHostAddress().toString(); //获得机器IP  
address = addr.getHostName().toString(); //获得机器名称
System.out.println(ip + "|" + address);
}catch(Exception e){
e.printStackTrace();
}
}
}
3. java.net.InetAddress的方法

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