Java 调用 winrar 命令 批处理 压缩包文件

package com.bdkjzx.winrar.util;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class BatUtil {
    private static List<File> fileList = new ArrayList<File>();
    private static Runtime cmd = Runtime.getRuntime();
    static String suffix = ".rar";
    private static String winrarPath="D:/WinRAR/WinRAR.exe";
    private static String isIbak=" -ibck ";//是否后台运行
    private static String rate="-m1"; //压缩比率 -m0   存储      添加到压缩文件时不压缩文件。-m1   最快    -m2   较快      -m3   标准    -m4   较好    -m5   最好  
    public static void main(String[] args) {
        String commandStr = "";
        String filePath = "F:/testwinrar2";
        try {
            File root = new File(filePath);
            extractFiles(root);
//          compressFiles(root);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    static List<File> getFiles(File root) {
        File[] files = root.listFiles();
        for (File childFile : files) {
            if (childFile.isDirectory()) {
                getFiles(childFile);
            } else {
                if (childFile.getName().endsWith(suffix)) {
                    fileList.add(childFile);
                }
            }
        }
        return fileList;
    }
    /**
     * 批量添加文件
     * 
     * @param root
     * @return
     */
    static boolean addFiles(File root) {
        File[] files = root.listFiles();
        for (File childFile : files) {
            if (childFile.isDirectory()) {
                getFiles(childFile);
            } else {
                if (childFile.getName().endsWith(suffix)) {
                    fileList.add(childFile);
                }
            }
        }
        return false;
    }
    /**
     * 批量解压文件
     * 
     * @param root
     * @return
     */
    static void extractFiles(File root) {
        File[] files = root.listFiles();
        String suffix = ".rar";
        boolean flag = false;
        try {
            for (File childFile : files) {
                if (childFile.isDirectory()) {
                    extractFiles(childFile);
                } else {
                    if (childFile.getName().endsWith(suffix)) {
                        String fPath = childFile.getAbsolutePath();
                        String path = childFile.getAbsolutePath()
                                .substring(0, childFile.getAbsolutePath().lastIndexOf(".")).replace("/", "/");
                        String commandStr = " cmd.exe /c mkdir " + path;
                        cmd.exec(commandStr);
                        commandStr = winrarPath+"  x  -y -ep1 -dr "+isIbak+ fPath + " " + path;
                        System.out.println(commandStr);
                        cmd.exec(commandStr);
                    }
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    /**
     * 批量压缩文件
     * 
     * @param root
     * @return
     */
    static boolean compressFiles(File root) {
        File[] files = root.listFiles();
        try {
            for (File childFile : files) {
                if (childFile.isDirectory()) {
                    String fPath = childFile.getAbsolutePath();
                    String commandStr = winrarPath+"  a -s -ep1  -df -y "+isIbak + fPath + ".rar  " + fPath;
                    System.out.println(commandStr);
                    cmd.exec(commandStr);
                } else {
                    if(!childFile.getName().endsWith(suffix)){
                        String fPath = childFile.getAbsolutePath();
                        String path = childFile.getAbsolutePath()
                                .substring(0, childFile.getAbsolutePath().lastIndexOf(".")).replace("/", "/");
                        String commandStr = winrarPath+"  a  -s -ep1 -df -y "+rate+" " +isIbak+ path + ".rar  " + fPath;
                        System.out.println(commandStr);
                        cmd.exec(commandStr);
                    }
                }
            }
        } catch (Exception e) {
        }
        return false;
    }
}