1.导出word
添加依赖
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.14</version>
</dependency>
实现层代码
private void downloadWord(HttpServletResponse response, Resource resource) { String title = resource.getTitle(); String text = resource.getContent(); try { //word内容 String content="<html><body>" + "<p style="text-align: center;"><span style="font-family: 黑体, SimHei; font-size: 24px;">" + title + "</span></p>" + text + "</body></html>"; byte b[] = content.getBytes("GBK"); //这里是必须要设置编码的，不然导出中文就会乱码。 ByteArrayInputStream bais = new ByteArrayInputStream(b);//将字节数组包装到流中 /* * 关键地方 * 生成word格式 */ POIFSFileSystem poifs = new POIFSFileSystem(); DirectoryEntry directory = poifs.getRoot(); DocumentEntry documentEntry = directory.createDocument("WordDocument", bais); //输出文件 // request.setCharacterEncoding("utf-8"); response.setContentType("application/msword");//导出word格式 response.addHeader("Content-Disposition", "attachment;filename=" + new String(title.getBytes("GB2312"),"iso8859-1") + ".doc"); ServletOutputStream ostream = response.getOutputStream(); poifs.writeFilesystem(ostream); bais.close(); ostream.close(); poifs.close(); }catch(Exception e){ e.printStackTrace(); } }
2.导出pdf
添加依赖
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.11</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>com.itextpdf.tool</groupId>
<artifactId>xmlworker</artifactId>
<version>5.5.8</version>
</dependency>
压缩并导出实现代码
private void downloadPdf(HttpServletResponse response, Resource resource) { String content = resource.getContent(); content = MyUtil.handleConvertPdfContent(content); String rootDir = System.getProperty("user.dir")+"/"; String pdfDir = rootDir+"temp/pdf/"; String pdfFileName = resource.getTitle()+".pdf"; try { String path = pdfDir + pdfFileName; File pdfFileDir = new File(pdfDir); if (!pdfFileDir.exists()) { pdfFileDir.mkdirs(); } FileOutputStream pdfOut = new FileOutputStream(path); // 第一步 创建文档实例 文章pdf导出+压缩包下载 Document document = new Document(); // 第二步 获取PdfWriter实例 写入文件到目录 pdfDir + responseFileName PdfWriter writer = PdfWriter.getInstance(document, pdfOut); // 第三步 打开文档 document.open(); //获取 XMLWorkerHelper实例 XMLWorkerHelper work = XMLWorkerHelper.getInstance(); //解析html文件,创建pdf文档 work.parseXHtml(writer, document, new ByteArrayInputStream(content.getBytes())); // 第五部 操作完成后必须执行文档关闭操作。 document.close(); writer.close(); pdfOut.close(); // 压缩pdf文件 String zipDir = rootDir + "temp/zip/"; String zipPath = zipDir + resource.getTitle() + ".zip"; File zipFile = new File(zipPath); File pdfFile1 = new File(path); ZipUtil.zip(zipFile, false, pdfFile1); // 将zip file写入response流 //设置response内容 String zipFileName = resource.getTitle() + ".zip"; // 这里中文名字导致了下载报错 暂不解决 String responseFileName = new String("download.zip".getBytes(), "utf-8"); response.reset(); // 非常重要 ServletOutputStream responseOutputStream = response.getOutputStream(); response.setContentType("application/octet-stream; charset=utf-8"); response.setHeader("Content-Disposition", "attachment; filename=" + responseFileName); InputStream in = new FileInputStream(zipPath); int len = 0; byte[] buffer = new byte[1024]; while ((len = in.read(buffer)) > 0) { responseOutputStream.write(buffer, 0, len); } in.close(); responseOutputStream.close(); } catch (Exception e) { e.printStackTrace(); } finally { FileUtil.delAllFile(rootDir + "/temp"); } }