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java 网络编程获取本机IP和处理PING

JAVA相关 开心洋葱 1382次浏览 已收录 0个评论 手机上查看
package socket;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;

public class TestSocket {

    public static void main(String[] args) throws IOException {
        // InetAddress host = InetAddress.getLocalHost();
        // String ip = host.getHostAddress();
        //
        // InetAddress host4 = Inet4Address.getLocalHost();
        // String ip4 = host4.getHostAddress();
        // System.out.println("ip is :"+ip);

        // Process p = Runtime.getRuntime().exec("ping 192.168.11.1");
        // BufferedReader br = new BufferedReader(new
        // InputStreamReader(p.getInputStream()));
        // String line = null;
        // StringBuilder sb = new StringBuilder();
        // while((line = br.readLine()) !=null ){
        // if(line.length()!=0) sb.append(line+"\r\n");
        // }
        //
        // System.out.println("返回:"+sb.toString());

        Enumeration allNetInterfaces = NetworkInterface.getNetworkInterfaces();
        InetAddress ip = null;
        while (allNetInterfaces.hasMoreElements()) {
            NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
            System.out.println(netInterface.getName());
            Enumeration addresses = netInterface.getInetAddresses();
            while (addresses.hasMoreElements()) {
                ip = (InetAddress) addresses.nextElement();
                if (ip != null && ip instanceof Inet4Address) {
                    System.out.println("本机的IP = " + ip.getHostAddress());
                }
            }
        }

    }

}


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