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; 
//物理网卡列表 
List address = new ArrayList(); 
try 
{ 
　//执行ipconfig /all命令 
　p = new ProcessBuilder("ipconfig", "/all").start(); 
} 
catch (IOException e) 
{ 
　return address; 
} 
byte[] b = new byte[1024]; 
StringBuffer sb = new StringBuffer(); 
//读取进程输出值 
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) 
　{ 
　} 
} 
//以下分析输出值，得到物理网卡 
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("物理网卡地址:%s%n", add); 
} 
　} 
}