pom 文件依赖net.sf.jasperreportsjasperreports6.10.0org.codehaus.groovygroovy-all2.4.11cn.lesperiTextAsian3.0controller@GetMapping("/preview") public void print(HttpServletResponse response) throws Exception {List> data = getMaps();JRDataSource dataSource = new JRBeanCollectionDataSource(data);File file = ResourceUtils.getFile("classpath:jaspertemplate/abc.jrxml");response.setCharacterEncoding("utf-8");response.setContentType("application/pdf");response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode("test", "UTF-8") + ".pdf");
try (OutputStream outputStream = response.getOutputStream()) {//编译jrxml JasperReport jasperReport = JasperCompileManager.compileReport(file.getPath());//渲染加载数据HashMap params = new HashMap<>();JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, params, dataSource);JasperExportManager.exportReportToPdfStream(jasperPrint, outputStream);} catch (IOException | JRException e) {e.printStackTrace();}}private List> getMaps() {List> data = new ArrayList<>();for (int i = 0; i < 10; i++) {Map m = new HashMap<>(3);m.put("id", "id" + i);m.put("name", "测试" + i);m.put("price", "price" + i);m.put("volTitle", "测试" + i);data.add(m);}return data;}
abc.jrxml 文件path:src/main/resources/jaspertemplate<band height="75" splitType="Stretch"><staticText><reportElement x="202" y="23" width="381" height="43" uuid="6dd7ca27-e8c4-4b52-964d-69045be9bf66"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="24" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[目 录]]></text></staticText></band>
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