解压rar,打成zip

 /** * 打zip包 * @param zipPath 目标zip文件名如 d:/test.zip * @param filePath 文件目录如 d:/test/ * @throws IOException */ public static void zip(String zipPath, String filePath) throws Exception{ ZipOutputStream out = null; FileOutputStream dest = null; File f = null;try {dest = new FileOutputStream(zipPath);out = new ZipOutputStream(dest);f = new File(filePath);zip(out, f, "");//递归压缩方法} catch (FileNotFoundException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();}finally{if(out != null){out.close();out = null;}if(dest != null){dest.close();dest = null;}if(f != null){f = null;}} } /** * 递归压缩方法 * @param out 压缩包输出流 * @param f 需要压缩的文件 * @param base 压缩的路径 * @throws Exception */private static void zip(ZipOutputStream out, File f, String base) throws Exception { System.out.println("Zipping " + f.getName()); //记录日志，开始压缩 if (f.isDirectory()) { // 如果是文件夹，则获取下面的所有文件 File[] fl = f.listFiles(); out.putNextEntry(new ZipEntry(base + "/")); base = base.length() == 0 ? "" : base + "/"; for (int i = 0; i < fl.length; i++) { zip(out, fl[i], base + fl[i].getName()); fl[i] = null; } } else { // 如果是文件，则压缩 out.putNextEntry(new ZipEntry(base)); // 生成下一个压缩节点 FileInputStream in = new FileInputStream(f); // 读取文件内容 int b; while ((b = in.read()) != -1) out.write(b); // 写入到压缩包 in.close(); in=null; }} /** * 解压rar格式的压缩文件到指定目录下 * @param rarFileName 压缩文件 * @param extPlace 解压目录 * @throws Exception */ public void unrar(String rarFileName, String extPlace) throws Exception{ Archive archive = null;File out = null;File file = null;File dir = null;FileOutputStream os = null;FileHeader fh = null;String path, dirPath = "";try{file = new File(rarFileName);extPlace += file.getName().substring(0,file.getName().lastIndexOf('.')) + "/";archive = new Archive(file);if (archive != null) {fh = archive.nextFileHeader();while (fh != null) {path = (extPlace +""+ fh.getFileNameString().trim()).replaceAll("//", "/");int end = path.lastIndexOf("/");if (end != -1) {dirPath = path.substring(0, end);}dir = new File(dirPath);if (!dir.exists()) {dir.mkdirs();}if (fh.isDirectory()) {fh = archive.nextFileHeader();continue;}out = new File(extPlace + fh.getFileNameString().trim());os = new FileOutputStream(out);archive.extractFile(fh, os);fh = archive.nextFileHeader();}}} catch (Exception e) {e.printStackTrace();} finally {if (file != null) {file = null;}if (dir != null) {dir = null;}if (os != null) {try {os.close();} catch (IOException e) {e.printStackTrace();}}if (out != null) {out = null;}fh = null;if (archive != null) {try {archive.close();} catch (IOException e) {e.printStackTrace();}}} } //调用try {unrar(path+"/"+mspid+"/"+fileName, path+"/"+mspid+"/");} catch (Exception e) {e.printStackTrace();}ts.delAll(new File(path+"/"+mspid+"/"+fileName));String filepath = path+"/"+mspid+"/"+fileName;filepath = filepath.substring(0, filepath.lastIndexOf('.'));zip(filepath+".zip", filepath+"/");ts.delAll(new File(filepath));fileName = fileName.replace(".rar", ".zip");