Java调用Windows命令

package test;

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

/**
 * Java调用Windows命令测试
 * @author liuyazhuang
 *
 */
public class Test {
	public static void main(String args[]) {
        testWinCmd();
        dirOpt();
    }

    public static void testWinCmd() {
        System.out.println("------------------testWinCmd()--------------------");
        Runtime runtime = Runtime.getRuntime();
        System.out.println(runtime.totalMemory());
        System.out.println(runtime.freeMemory());
        System.out.println(runtime.maxMemory());
        System.out.println(runtime.availableProcessors());   //处理器数
        try {
            //执行一个exe文件
            runtime.exec("notepad");
            runtime.exec("C:\\Program Files\\Microsoft Office\\OFFICE11\\winword.exe c:\\test.doc");
            //执行批处理
            runtime.exec("c:\\x.bat");
            //执行系统命令
            runtime.exec("cmd /c dir ");
            runtime.exec("cmd /c dir c:\\");

//            //-------------- 文件操作 --------------

            runtime.exec("cmd /c copy c:\\x.bat d:\\x.txt");   //copy并改名
            runtime.exec("cmd /c rename d:\\x.txt x.txt.bak"); //重命名
            runtime.exec("cmd /c move d:\\x.txt.bak c:\\");    //移动
            runtime.exec("cmd /c del c:\\x.txt.bak");          //删除

            //-------------- 目录操作 --------------
            runtime.exec("cmd /c md c:\\_test");          //删除
        } catch (IOException e) {
            e.printStackTrace();
        }
    } 
    /**
     * 执行批处理文件，并获取输出流重新输出到控制台
     */
    public static void dirOpt() {
        System.out.println("------------------dirOpt()--------------------");
        Process process;
        try {
            //执行命令
            process = Runtime.getRuntime().exec("c:\\x.bat");
            //取得命令结果的输出流
            InputStream fis = process.getInputStream();
            //用一个读输出流类去读
            BufferedReader br = new BufferedReader(new InputStreamReader(fis));
            String line = null;
            //逐行读取输出到控制台
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

del c:\del.txt
cd D:
dir

------------------testWinCmd()--------------------
2031616
1652120
66650112
2
------------------dirOpt()--------------------

D:\_dev_stu\fileopt>del c:\del.txt  

D:\_dev_stu\fileopt>cd D:  
D:\_dev_stu\fileopt

D:\_dev_stu\fileopt>dir
驱动器 D 中的卷是 DISK1_VOL2
卷的序列号是 70FB-DFAF

D:\_dev_stu\fileopt 的目录

2008-07-18  09:30    <DIR>          .
2008-07-18  09:30    <DIR>          ..
2008-07-18  09:30    <DIR>          src
2008-07-18  09:31               549 fileopt.iml
2008-07-18  09:31            10,292 fileopt.ipr
2008-07-18  14:27    <DIR>          classes
2008-07-18  16:42            26,265 fileopt.iws
               3 个文件         37,106 字节
               4 个目录  8,095,498,240 可用字节

Process finished with exit code 0