JAVA:调用cmd指令(支持多次手工输入)

JDK开发环境:1.8

 package com.le.tool;

 import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
 import java.nio.charset.Charset;

 /**
  * java调用cmd指令工具类
  *
  * @author le.li
  *
  */
 public class ExecuteUtil {
     /**
      * 避免乱码,如果没有传入语言编号，默认使用英文437<br>
      * D:\>chcp /? 显示或设置活动代码页编号。<br>
      * CHCP [nnn]<br>
      * nnn 指定代码页编号。<br>
      * 不带参数键入 CHCP 以显示活动代码页编号。<br>
      */
     private static final String DEFAULT_LANGUAGE_CODE = "437";

     /**
      * window系统默认语言:GBK
      */
     private static final String DEFAULT_LANGUAGE = "GBK";

     public static void main(String[] args) {
         // executeLink();

         // executeCmd("dir .");

         // 举例直接把bat文件当cmd指令调用
         String cmd = null;
         String fileName = "test.bat";
         File f = new File(".");
         try {
             cmd = f.getCanonicalPath() + File.separator + fileName;
         } catch (IOException e) {
             // e.printStackTrace();
             System.err.println("get cmd file error.");
         }
         executeCmd(cmd);
     }

     /**
      * 获取操作系统默认语言
      *
      * @return String
      * @see java虚拟机启动默认的编码(一般和java文件设置格式一致)<br>
      *      System.out.println(Charset.defaultCharset());<br>
      *      查看预置的变量信息:System.getProperties().list(System.out);<br>
      *      属性:<br>
      *      文件编码:file.encoding<br>
      *      系统默认编码sun.jnu.encoding
      */
     private static String getsystemLanguage() {
         return null == System.getProperty("sun.jnu.encoding") ? DEFAULT_LANGUAGE
                 : System.getProperty("sun.jnu.encoding");
     }

     /**
      * 执行cmd指令
      * @param cmd 执行指令
      */
     public static void executeCmd(String cmd) {
         executeLink(DEFAULT_LANGUAGE_CODE, true, cmd);
     }

     /**
      * cmd手工输入交互处理窗口
      */
     public static void executeLink() {
         executeLink(DEFAULT_LANGUAGE_CODE, false, "");
     }

     /**
      * cmd交互处理窗口
      *
      * @param languageCode 系统语言编码
      * @param isOneRun 只执行cmd指令
      * @param cmd 执行的指令
      * @see 在中文windows系统中，根据编码需要设置编码 chcp 65001 就是换成UTF-8代码页<br>
      *      chcp 936 可以换回默认的GBK<br>
      *      chcp 437 是美国英语 <br>
      */
     public static void executeLink(String languageCode, boolean isOneRun, String cmd) {
         try {
             String cmdBin = "cmd";
             if (isOneRun) {
                 cmdBin = "cmd /c ";
             }
             Process process = Runtime.getRuntime().exec(cmdBin + cmd);
             PrintWriter writer = new PrintWriter(process.getOutputStream());
             if (!isOneRun) {
                  // 此处可以预置交互指令
                  // writer.println("chcp " + languageCode);
                  writer.println("echo Hello World.");
                  writer.flush();
             }
             CommandThread commandThread = new CommandThread(writer);
             commandThread.setName("ExecuteCmdThread");
             commandThread.start();
             ProcessInputStreamThread inputThread = new ProcessInputStreamThread(process.getInputStream());
             ProcessInputStreamThread errorThread = new ProcessInputStreamThread(process.getErrorStream());
             inputThread.setName("InputStreamThread");
             inputThread.start();
             errorThread.setName("ErrorStreamThread");
             errorThread.start();
             // 即使添加下边的一句也不会使线程结束
             // Thread.currentThread().interrupt();
         } catch (Exception e) {
             e.printStackTrace();
         }
     }

     static class CommandThread extends Thread {
         PrintWriter writer;
         BufferedReader br = null;

         CommandThread(PrintWriter writer) {
             this.writer = writer;
             // 避免出现乱码问题,直接使用系统默认的编码格式
             br = new BufferedReader(new InputStreamReader(System.in, Charset.forName(getsystemLanguage())));
             this.setDaemon(true);
         }

         @Override
         public void run() {
             try {
                 String cmd = null;
                 while ((cmd = br.readLine()) != null) {
                     writer.println(cmd);
                     writer.flush();
                 }
             } catch (IOException e) {
                 e.printStackTrace();
             } finally {
                 if (null != writer) {
                     writer.close();
                 }
                 if (null != br) {
                     try {
                         br.close();
                     } catch (IOException e) {
                         // TODO Auto-generated catch block
                         e.printStackTrace();
                     }
                 }
             }
         }
     }

     static class ProcessInputStreamThread extends Thread {

         InputStream input;
         BufferedReader breader = null;

         ProcessInputStreamThread(InputStream input) {
             this.input = input;
             // 避免出现乱码问题,直接使用系统默认的编码格式
             breader = new BufferedReader(new InputStreamReader(input, Charset.forName(getsystemLanguage())));
         }

         @Override
         public void run() {
             try {
                 String str = null;
                 while ((str = breader.readLine()) != null) {
                     System.out.println(str);
                 }
             } catch (IOException e) {
                 e.printStackTrace();
             } finally {
                 if (null != input) {
                     try {
                         input.close();
                     } catch (IOException e) {
                         // TODO Auto-generated catch block
                         e.printStackTrace();
                     }
                 }
                 if (null != breader) {
                     try {
                         breader.close();
                     } catch (IOException e) {
                         // TODO Auto-generated catch block
                         e.printStackTrace();
                     }
                 }
             }
         }
     }
 }