用Java读取Windows的Command指令

java 代码

/***********************************************************************
* Module:  MACAddress.java
* Author:  danlley
* Modified: 2006年6月05日 12:45:21
* Purpose: Defines the Interface ManageCA
***********************************************************************/

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.ArrayList;

public class MACAddress {
    public MACAddress() {
    }

    public static ArrayList getMACAddress() {
        ArrayList arrayList=new ArrayList();
        String address = "";
        String os = System.getProperty("os.name");
        if (os != null && os.startsWith("Windows")) {
            try {
                String command = "cmd.exe /c ipconfig /all";
                Process p = Runtime.getRuntime().exec(command);
                BufferedReader br =
                        new BufferedReader(
                                new InputStreamReader(p.getInputStream()));
                String line;
                while ((line = br.readLine()) != null) {
                    if(line.trim().length()>0){
                        arrayList.add(line);
                    }
                }
                int size=arrayList.size();
                System.out.println("Read from InputStream the List size is : "+size);
                br.close();
                return arrayList;
            } catch (IOException e) {}
        }
        return arrayList;
    }

    public static void main(String[] args) {
        ArrayList arrayList=MACAddress.getMACAddress();
        int size=arrayList.size();
        System.out.println("Get the data from the list the size is : "+size);
        for(int i=0;i0){
                String str=arrayList.get(i).toString().trim();
                int len=str.length();
                int pointIndex=str.indexOf(":");
                //System.out.println("Line "+i+" Len="+len+" pointIndex="+pointIndex+" "+str);
                if(pointIndex>0){
                    String subStr=str.substring(pointIndex+1,len).trim();
                    int lenSubStr=subStr.length();
                    if(lenSubStr>0){
                        System.out.println(subStr);
                    }
                }
            }
        }
    }
}

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• 2007-07-17 11:01
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