macaddress.java

功能是公安和学校的管理系统,用struts+hibernate+spring等匡架组成,在eclepse就能编译

package com.comingnet.intercepter;
import java.io.*;
public class MacAddress {
	public MacAddress()
	{
		
	}
	public static String getMacAddress() throws Exception
	{
		String macStr="";
		String line="";
		Runtime runtime=Runtime.getRuntime();
		Process process=runtime.exec("cmd /c ipconfig /all");
		BufferedReader bufferedReader =new BufferedReader(new InputStreamReader (process.getInputStream()));
        while ( (line=bufferedReader.readLine()) != null)
        { 
            if(line.indexOf("Physical Address. . . . . . . . . :") != -1)
            { 
              if(line.indexOf(":") != -1)
              {
            	  macStr = line.substring(line.indexOf(":")+2); 
              }
            }
        }
		return macStr;
	}

}