peno的版本进行了优化。性能的提高是可以察觉的。
private boolean unpackZip(String path, String zipname){ InputStream is; ZipInputStream zis; try { String filename; is = new FileInputStream(path + zipname); zis = new ZipInputStream(new BufferedInputStream(is)); ZipEntry ze; byte[] buffer = new byte[1024]; int count; while ((ze = zis.getNextEntry()) != null) { filename = ze.getName(); // Need to create directories if not exists, or // it will generate an Exception... if (ze.isDirectory()) { File fmd = new File(path + filename); fmd.mkdirs(); continue; } FileOutputStream fout = new FileOutputStream(path + filename); while ((count = zis.read(buffer)) != -1) { fout.write(buffer, 0, count); } fout.close(); zis.closeEntry(); } zis.close(); } catch(IOException e) { e.printStackTrace(); return false; } return true;}
