在Java編程中卸留，如何根據(jù)主機名(域名)獲取IP地址白华？
以下示例顯示了如何通過net.InetAddress類的InetAddress.getByName()方法將主機名更改為指定的IP地址慨默。
package com.yiibai;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class HostSpecificIPAddress {
public static void main(String[] args) {
InetAddress address = null;
try {
address = InetAddress.getByName("www.yiibai.com");
} catch (UnknownHostException e) {
System.exit(2);
}
System.out.println(address.getHostName() + " IP is = " + address.getHostAddress());
System.exit(0);
}
}
上述代碼示例將產(chǎn)生以下結果 -
www.yiibai.com IP is = 112.124.103.85
示例-2
以下是Java中使用getHostAddress()和getHostName()獲取本機的另一個示例 -
package com.yiibai;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class HostSpecificIPAddress2 {
public static void main(String[] args) {
InetAddress ipadd;
String hostname;
try {
ipadd = InetAddress.getLocalHost();
hostname = ipadd.getHostName();
System.out.println("Your IP address : " + ipadd);
System.out.println("Your Hostname : " + hostname);
} catch (UnknownHostException e) {
}
}
}
上述代碼示例將產(chǎn)生以下結果 -
Your IP address : Yiibai-PC/192.168.1.50
Your Hostname : Yiibai-PC
