JAVA:調用cmd指令(支持多次手工輸入)

JDK開發環境: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調用cmd指令工具類
 * 
 * @author le.li
 * 
 */
public class ExecuteUtil {
    /**
     * 避免亂碼,如果沒有傳入語言編號，默認使用英文437<br>
     * D:\>chcp /? 顯示或設置活動代碼頁編號。<br>
     * CHCP [nnn]<br>
     * nnn 指定代碼頁編號。<br>
     * 不帶參數鍵入 CHCP 以顯示活動代碼頁編號。<br>
     */
    private static final String DEFAULT_LANGUAGE_CODE = "437";

    /**
     * window系統默認語言:GBK
     */
    private static final String DEFAULT_LANGUAGE = "GBK";

    public static void main(String[] args) {
        // executeLink();
        
        // executeCmd("dir .");
        
        // 舉例直接把bat文件當cmd指令調用
        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);
    }

    /**
     * 獲取操作系統默認語言
     * 
     * @return String
     * @see java虛擬機啟動默認的編碼(一般和java文件設置格式一致)<br>
     *      System.out.println(Charset.defaultCharset());<br>
     *      查看預置的變量信息:System.getProperties().list(System.out);<br>
     *      屬性:<br>
     *      文件編碼:file.encoding<br>
     *      系統默認編碼sun.jnu.encoding
     */
    private static String getsystemLanguage() {
        return null == System.getProperty("sun.jnu.encoding") ? DEFAULT_LANGUAGE
                : System.getProperty("sun.jnu.encoding");
    }

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

    /**
     * cmd手工輸入交互處理窗口
     */
    public static void executeLink() {
        executeLink(DEFAULT_LANGUAGE_CODE, false, "");
    }

    /**
     * cmd交互處理窗口
     * 
     * @param languageCode 系統語言編碼
     * @param isOneRun 只執行cmd指令
     * @param cmd 執行的指令
     * @see 在中文windows系統中，根據編碼需要設置編碼 chcp 65001 就是換成UTF-8代碼頁<br>
     *      chcp 936 可以換回默認的GBK<br>
     *      chcp 437 是美國英語 <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) {
                 // 此處可以預置交互指令
                 // 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();
            // 即使添加下邊的一句也不會使線程結束
            // Thread.currentThread().interrupt();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

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

        CommandThread(PrintWriter writer) {
            this.writer = writer;
            // 避免出現亂碼問題,直接使用系統默認的編碼格式
            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;
            // 避免出現亂碼問題,直接使用系統默認的編碼格式
            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();
                    }
                }
            }
        }
    }
}