java使用itext按页码拆分pdf文件
发布时间:2020-12-15 00:16:29 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 /** * @author viralpatel.net * * @param inputStream Input PDF file * @param outputStream Output PDF file * @param fromPage start page from i
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 /** * @author viralpatel.net * * @param inputStream Input PDF file * @param outputStream Output PDF file * @param fromPage start page from input PDF file * @param toPage end page from input PDF file */ public static void splitPDF(InputStream inputStream,OutputStream outputStream,int fromPage,int toPage) { Document document = new Document(); try { PdfReader inputPDF = new PdfReader(inputStream); int totalPages = inputPDF.getNumberOfPages(); //make fromPage equals to toPage if it is greater if(fromPage > toPage ) { fromPage = toPage; } if(toPage > totalPages) { toPage = totalPages; } // Create a writer for the outputstream PdfWriter writer = PdfWriter.getInstance(document,outputStream); document.open(); PdfContentByte cb = writer.getDirectContent(); // Holds the PDF data PdfImportedPage page; while(fromPage <= toPage) { document.newPage(); page = writer.getImportedPage(inputPDF,fromPage); cb.addTemplate(page,0); fromPage++; } outputStream.flush(); document.close(); outputStream.close(); } catch (Exception e) { e.printStackTrace(); } finally { if (document.isOpen()) document.close(); try { if (outputStream != null) outputStream.close(); } catch (IOException ioe) { ioe.printStackTrace(); } } } public static void main(String[] args) { try { MergePDF.splitPDF(new FileInputStream("C:input.pdf"),new FileOutputStream("C:output1.pdf"),1,12); MergePDF.splitPDF(new FileInputStream("C:input.pdf"),new FileOutputStream("C:output2.pdf"),13,20); } catch (Exception e) { e.printStackTrace(); } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |