bufferStream.reset();
//begin д����Ŀ��ͼ�ļ�
AdaptedStandardStorageFormat store = new AdaptedStandardStorageFormat();
for (int i = 0; i < drawingViews.length; i++) {
store.store(bufferStream, drawingViews[i].getDrawing());
ZipEntry viewZipEntry = new ZipEntry((String) drawingViews[i].getDrawing().getTitle() + ".draw");
zipOutStream.putNextEntry(viewZipEntry);
bufferStream.writeTo(zipOutStream);
zipOutStream.closeEntry();