package com.kuaff.JDK5package; 

import java.io.IOException; 

import java.io.InputStream; 

import java.util.ArrayList; 

import java.util.List; 

public class ProcessBuilderShow 

{ 

　public static List getPhysicalAddress() 

　{ 

Process p = null; 

//物理網卡列表 

List address = new ArrayList(); 

try 

{ 

　//執行ipconfig /all命令 

　p = new ProcessBuilder("ipconfig", "/all").start(); 

} 

catch (IOException e) 

{ 

　return address; 

} 

byte[] b = new byte[1024]; 

StringBuffer sb = new StringBuffer(); 

//讀取進程輸出值 

InputStream in = p.getInputStream(); 

try 

{ 

　while (in.read(b)>0) 

　{ 

sb.append(new String(b)); 

　} 

} 

catch (IOException e1) 

{ 

} 

finally 

{ 

　try 

　{ 

in.close(); 

　} 

　catch (IOException e2) 

　{ 

　} 

} 

//以下分析輸出值，得到物理網卡 

String rtValue = sb.substring(0); 

int i = rtValue.indexOf("Physical Address. . . . . . . . . :"); 

while(i>0) 

{ 

　rtValue = rtValue.substring(i + "Physical Address. . . . . . . . . :".length()); 

　address.add(rtValue.substring(0,18)); 

　i = rtValue.indexOf("Physical Address. . . . . . . . . :"); 

} 

return address; 

　} 

　public static void main(String[] args) 

　{ 

List address = ProcessBuilderShow.getPhysicalAddress(); 

for(String add:address) 

{ 

　System.out.printf("物理網卡地址:%s%n", add); 

} 

　} 

}