java读取window系统的mac

package com.yingxia.deposit.server.common;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class MacReader {

	public static String physicalAddress = "read MAC error!";

	public MacReader() {
	}

	public static String checkPhysicalAddress() {
		try {
			String line;
			Process process = Runtime.getRuntime().exec("cmd /c ipconfig /all");
			BufferedReader bufferedReader = new BufferedReader(
					new InputStreamReader(process.getInputStream()));
			while ((line = bufferedReader.readLine()) != null) {
				if (line.indexOf("Physical Address. . . . . . . . . :") != -1) {
					if (line.indexOf(":") != -1) {
						physicalAddress = line.substring(line.indexOf(":") + 2);
						break; // 找到MAC,推出循环
					}
				}
			}
			process.waitFor();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return physicalAddress;
	}

	public static void main(String[] args) {
		System.out.println("本机的MAC地址是: " + MacReader.checkPhysicalAddress());
	}
}

 

 

package com.yingxia.deposit.server.common;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

public class MacReader {

	public static String physicalAddress = "read MAC error!";

	public MacReader() {
	}
	
	public static boolean isValid() {
		try {
			return getSpecialMacFromFile().equals(checkPhysicalAddress());
		} catch(Exception ex) {
			ex.printStackTrace();
			return false;
		}
	}
	
	public static String getSpecialMacFromFile() throws Exception {
		String resource = "com/yingxia/deposit/server/common/MacReader";
		InputStream in = MacReader.class.getClassLoader().getResourceAsStream(resource);
		if(in == null) {
			in = ClassLoader.getSystemResourceAsStream(resource);
		}
		InputStreamReader fr = new InputStreamReader(in);
		BufferedReader br = new BufferedReader(fr);
		return br.readLine();
	}

	public static String checkPhysicalAddress() {
		try {
			String line;
			Process process = Runtime.getRuntime().exec("cmd /c ipconfig /all");
			BufferedReader bufferedReader = new BufferedReader(
					new InputStreamReader(process.getInputStream()));
			while ((line = bufferedReader.readLine()) != null) {
				if (line.indexOf("Physical Address. . . . . . . . . :") != -1) {
					if (line.indexOf(":") != -1) {
						physicalAddress = line.substring(line.indexOf(":") + 2);
						break; // 找到MAC,推出循环
					}
				}
			}
			process.waitFor();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return physicalAddress;
	}

	public static void main(String[] args) throws Exception {
		System.out.println(isValid());
	}
}

 

 

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