22:04:08.002 [main] INFO  Ping - 目标地址   192.168.1.107 是否可到达:true

22:04:08.006 [main] INFO  Ping - 执行命令   ping 192.168.1.107 -n 4 -w 5000

22:04:11.085 [main] INFO  Ping - 目标地址   192.168.1.107 是否可PING通:true

22:04:11.140 [main] INFO  Ping -

22:04:11.140 [main] INFO  Ping - 正在 Ping 192.168.1.107 具有 32 字节的数据:

22:04:11.141 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64

22:04:12.141 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64

22:04:13.142 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64

22:04:14.144 [main] INFO  Ping - 来自 192.168.1.107 的回复: 字节=32 时间<1ms TTL=64

22:04:14.144 [main] INFO  Ping -

22:04:14.144 [main] INFO  Ping - 192.168.1.107 的 Ping 统计信息:

22:04:14.144 [main] INFO  Ping -     数据包: 已发送 = 4，已接收 = 4，丢失 = 0 (0% 丢失)，

22:04:14.144 [main] INFO  Ping - 往返行程的估计时间(以毫秒为单位):

22:04:14.144 [main] INFO  Ping -     最短 = 0ms，最长 = 0ms，平均 = 0ms

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.InetAddress;

import java.net.InetSocketAddress;

import java.net.Socket;

import java.util.List;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.apache.log4j.Logger;

import org.junit.Test;

public class Ping {

    private static final Logger LOGGER = Logger.getLogger(Ping.class);

    @Test

    public void scanPortTest() {

        scanPort("192.168.1.107", 9200);

//        for (int i = 1000; i <= 9999; i++) {

//            scanPort("127.0.0.1", i);

//        }

    }

    public void scanPort(String ipAddress, int port) {

        Socket client = null;

        try {

            client = new Socket();

            client.connect(new InetSocketAddress(ipAddress, port), 300);

            LOGGER.info(ipAddress + ":" +port);

        } catch (IOException e) {

            LOGGER.error("端口：" + port + " 异常  " + e);

        } finally {

            try {

                client.close();

            } catch (IOException e) {

                e.printStackTrace();

            }

        }

    }

    @Test

    public void discoveryTest() throws Exception {

        Discovery("192.168.1", 1, 254);

    }

    private static List<String> Discovery(String networkSection, int start, int end) throws Exception {

        for (int i = start; i <= end; i++) {

            String ipAddress = networkSection + "." + i;

            ping(ipAddress);

        }

        return null;

    }

    private static boolean ping(String ipAddress) throws Exception {

        // 超时应该在3钞以上

        int timeOut = 3000;

        // 当返回值是true时，说明host是可用的，false则不可。

        boolean status = InetAddress.getByName(ipAddress).isReachable(timeOut);

        LOGGER.info("目标地址   " + ipAddress + " 是否可到达:" + status);

        return status;

    }

    private static void ping02(String ipAddress) throws Exception {

        String line = null;

        try {

            Process pro = Runtime.getRuntime().exec("ping " + ipAddress);

            InputStreamReader isr = new InputStreamReader(pro.getInputStream(), "GBK");

            BufferedReader buf = new BufferedReader(isr);

            while ((line = buf.readLine()) != null)

                LOGGER.info(line);

        } catch (Exception ex) {

            LOGGER.error(ex.getMessage());

        }

    }

    private static boolean ping(String ipAddress, int pingTimes, int timeOut) {

        BufferedReader in = null;

        // 将要执行的ping命令,此命令是windows格式的命令

        Runtime r = Runtime.getRuntime();

        String pingCommand = "ping " + ipAddress + " -n " + pingTimes + " -w " + timeOut;

        try { // 执行命令并获取输出

            LOGGER.info("执行命令   " + pingCommand);

            Process p = r.exec(pingCommand);

            if (p == null) {

                return false;

            }

            in = new BufferedReader(new InputStreamReader(p.getInputStream()));

            int connectedCount = 0;

            String line = null;

            while ((line = in.readLine()) != null) {

                connectedCount += getCheckResult(line);

            } // 如果出现类似=23ms TTL=62这样的字样,出现的次数=测试次数则返回真

            boolean flag = connectedCount == pingTimes;

            LOGGER.info("目标地址   " + ipAddress + " 是否可PING通:" + flag);

            return flag;

        } catch (Exception ex) {

            LOGGER.error(ex);

            return false;

        } finally {

            try {

                in.close();

            } catch (IOException e) {

                e.printStackTrace();

            }

        }

    }

    // 若line含有=18ms TTL=16字样,说明已经ping通,返回1,否則返回0.

    private static int getCheckResult(String line) {

        Pattern pattern = Pattern.compile("(\\d+ms)(\\s+)(TTL=\\d+)", Pattern.CASE_INSENSITIVE);

        Matcher matcher = pattern.matcher(line);

        while (matcher.find()) {

            return 1;

        }

        return 0;

    }

    @Test

    public void pingTest() throws Exception {

        String ipAddress = "192.168.1.107";

        ping(ipAddress);

        ping(ipAddress, 4, 5000);

        ping02(ipAddress);

    }

}