Java获取本地MAC地址 (注意有的时候那个地址是英文或者中文的形式)
package org.jivesoftware; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import org.junit.Test; public class GetMACAddress { private String mac; /** * 获取当前操作系统名称. * return 操作系统名称 例如:windows,Linux,Unix等. */ public static String getOSName() { return System.getProperty("os.name").toLowerCase(); } /** * 获取Unix网卡的mac地址. * @return mac地址 */ public static String getUnixMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * Unix下的命令,一般取eth0作为本地主网卡 显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ifconfig eth0"); bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { /** * 寻找标示字符串[hwaddr] */ index = line.toLowerCase().indexOf("hwaddr"); /** * 找到了 */ if (index != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index +"hwaddr".length()+ 1).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 获取Linux网卡的mac地址. * @return mac地址 */ public static String getLinuxMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * linux下的命令,一般取eth0作为本地主网卡 显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ifconfig eth0"); bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("硬件地址"); /** * 找到了 */ if (index != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index+4).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 获取widnows网卡的mac地址. * @return mac地址 */ public static String getWindowsMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * windows下的命令,显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ipconfig /all"); bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index_zh = -1; int index_en = -1; while ((line = bufferedReader.readLine()) != null) { /** * 寻找标示字符串[physical address] 或 [物理地址] 是中文还是英文会因为操作系统不同而改变 */ index_zh = line.toLowerCase().indexOf("物理地址"); index_en = line.toLowerCase().indexOf("physical address"); if (index_zh != -1) { index_zh = line.indexOf(":"); if (index_zh != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index_zh + 1).trim(); } break; }else if(index_en !=-1){ index_en = line.indexOf(":"); if (index_en != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index_en + 1).trim(); } break; } } } catch (IOException e) { e.printStackTrace(); }finally { try { if (bufferedReader != null) { bufferedReader.close(); } }catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 测试用的main方法. * * @param argc * 运行参数. */ public static String getMACAddress() { String os = getOSName(); System.out.println(os); String mac=null; if(os.startsWith("windows")){ mac = getWindowsMACAddress(); System.out.println("本地是windows:"+mac); }else if(os.startsWith("linux")){ mac = getLinuxMACAddress(); System.out.println("本地是Linux系统,MAC地址是:"+mac); }else{ mac = getUnixMACAddress(); System.out.println("本地是Unix系统 MAC地址是:"+mac); } return mac; } }
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