| 这个例子使用了J2SE5.0的ProcessBuilder类执行外部的程序，相对于 Runtime.exec ,它更方便，可以设置环境变量等。
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<String> getPhysicalAddress()
{
Process p = null;
//物理网卡列表
List<String> address = new ArrayList<String>();
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
{[Page]
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<String> address = ProcessBuilderShow.getPhysicalAddress();
for(String add:address)
{
System.out.printf(\"物理网卡地址:%s%n\", add); |
