Anroid将压缩数据库文件拷贝到安装目录

public void copyZip2DataDirectory(Context context) throws IOException {FileOutputStream outputStream = null;AssetManager assetManager = context.getAssets();InputStream inputStream = assetManager.open("test.zip");ZipInputStream zis = new ZipInputStream(inputStream);ZipEntry entry = null;while ((entry = zis.getNextEntry()) != null) {outputStream = context.openFileOutput(entry.getName(), Context.MODE_PRIVATE);byte[] buffer = new byte[2 * 1024];int len = -1;while ((len = zis.read(buffer)) != -1) {outputStream.write(buffer, 0, len);}outputStream.close();}zis.close();inputStream.close();}