使用unrar.jar解压缩rar文件

依赖的jar包 java-unrar-0.3.jar

在maven仓库中，http://mvnrepository.com/artifact/com.github.junrar/junrar/0.7

import java.io.File;    import java.io.FileOutputStream;    import java.io.IOException;    import de.innosystec.unrar.Archive;    import de.innosystec.unrar.exception.RarException;    import de.innosystec.unrar.rarfile.FileHeader;    public class UnRAR {    /**    * @param  args    * @throws  IOException     * @throws  RarException     */    public static void main(String[] args) throws RarException, IOException {    //压缩文件    String rarPath = "E:\\zip.rar";    //解压到这个目录    String dstDirectoryPath = "E:\\11";    File dstDiretory = new File(dstDirectoryPath);             if (!dstDiretory.exists()) {            dstDiretory.mkdirs();                         }    Archive a = new Archive(new File(rarPath));                    if (a != null) {      a.getMainHeader().print(); //打印文件信息.                        FileHeader fh = a.nextFileHeader();                         while (fh != null) {                                  //文件                                      File out = new File(dstDirectoryPath + File.separator + fh.getFileNameString().trim());    System.out.println(out.getAbsolutePath());                                     FileOutputStream os = new FileOutputStream(out);                                         a.extractFile(fh, os);                                         os.close();    fh = a.nextFileHeader();    }    }    a.close();    }    }