runtime调用命令行运行bat文件

package com;
import java.io.IOException;

public class JavaRunDoc {
    public static void main(String args[]) {
     try   {  
            Runtime.getRuntime().exec("d:\\a.bat");
        }catch(IOException ioe){    
            System.out.println("调用bat出现异常."); 
        }
    }
}
/*
 a.bat的内容：
md D:\dd\a
copy d:\a.txt d:\dd\
*/

 

 //截获命令行信息

 

package com;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class JavaRunDoc {
    public static void main(String args[]) {
     try   {  
      Process process = Runtime.getRuntime().exec("d:\\a.bat");
            InputStream inputStream = process.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader inputBufferedReader = new BufferedReader(inputStreamReader);
            String line = null;
            StringBuilder stringBuilder=new StringBuilder();
            while ((line = inputBufferedReader.readLine()) != null) {
             stringBuilder.append(line);
             System.out.println(line.toString());
            }
            inputBufferedReader.close();
            inputBufferedReader=null;
            inputStreamReader.close();
            inputStreamReader=null;
            inputStream.close();
            inputStream=null;
            System.out.print(stringBuilder.toString());

        }catch(IOException ioe){    
            System.out.println("调用bat出现异常."); 
        }
    }
}
/*
 a.bat的内容：
dir d:\
md D:\dd\a
copy d:\a.txt d:\dd\
*/