java 解压rar的依赖jar包。不需要安装winrar。支持windows和linux 附上代码。 /** * 解压rar格式压缩包 * 依赖包：java-unrar-0.3.jar，commons-logging-1.1.1.jar * @param sourceRar * @param destDir * @throws Exception */ private static void unrar(String sourceRar, String destDir) throws Exception { Archive archive = null; FileOutputStream fos = null; try { archive = new Archive(new File(sourceRar)); FileHeader fh = archive.nextFileHeader(); while (fh != null) { if (!fh.isDirectory()) { //根据不同的操作系统拿到相应的 destDirName 和 destFileName String compressFileName = fh.getFileNameString().trim(); String destFileName = ""; String destDirName = ""; //非windows系统 if (File.separator.equals("/")) { destFileName = destDir + compressFileName.replaceAll("\\\\", "/"); destDirName = destFileName.substring(0, destFileName.lastIndexOf("/")); //windows系统 } else { destFileName = destDir + compressFileName.replaceAll("/", "\\\\"); destDirName = destFileName.substring(0, destFileName.lastIndexOf("\\")); } File dir = new File(destDirName); if (!dir.exists() || !dir.isDirectory()) { dir.mkdirs(); } //解压文件 fos = new FileOutputStream(new File(destFileName)); archive.extractFile(fh, fos); fos.close(); fos = null; } fh = archive.nextFileHeader(); } archive.close(); } catch (Exception e) { throw e; } finally { if (fos != null) { try { fos.close(); } catch (Exception e) { e.printStackTrace(); } } if (archive != null) { try { archive.close(); } catch (Exception e) { e.printStackTrace(); } } } }