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); 

} 

　} 

}