//读epub文件 Book book = null; try { InputStream inputStr = new FileInputStream(epubPath); book = epubReader.readEpub(inputStr); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } //设置epub文件内title. //本处修改了toc.ncx文件中的和content.opf中的标签内容. List titlesList = new ArrayList(); titlesList.add("test book"); book.getMetadata().setTitles(titlesList); //write epub EpubWriter epubWriter = new EpubWriter(); try { OutputStream ouput = new FileOutputStream("mynewbook.epub"); epubWriter.write(book, ouput); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }