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2008-04-28 21:42:47

下载本文示例代码
  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。这里使用它在windows下读取物理网卡的地址 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);   }  } }   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。这里使用它在windows下读取物理网卡的地址 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);   }  } } 下载本文示例代码


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