package com.huaheng.common.jasper; import com.huaheng.common.exception.service.ServiceException; import net.sf.jasperreports.engine.*; import net.sf.jasperreports.engine.export.*; import net.sf.jasperreports.engine.export.ooxml.JRXlsxExporter; import net.sf.jasperreports.engine.fill.JRFileVirtualizer; import net.sf.jasperreports.export.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.File; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import java.lang.reflect.Field; import java.math.BigDecimal; import java.net.URLEncoder; import java.sql.Connection; import java.sql.SQLException; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Map; /** * 报表工具类 * @author ricard * @date 19/11/21 * */ public class JasperreportUtils { private static final Logger LOGGER = LoggerFactory.getLogger(JasperreportUtils.class); private HttpServletRequest request; private HttpServletResponse response; private HttpSession session; public JasperreportUtils(HttpServletRequest request, HttpServletResponse response, HttpSession session){ super(); this.request = request; this.response =response; this.session =request.getSession(); } /** * datasource与parameters填充报表 * * @param jasperPath * @param dataSource * @param parameters * @return * @throws JRException */ public JasperPrint getJasperPrint(String jasperPath, Map<String, Object> parameters, JRDataSource dataSource) throws JRException { JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, parameters, dataSource); return jasperPrint; } /** * connection与parameters填充报表 * * @param jasperPath * @param conn * @param parameters * @return * @throws JRException */ public JasperPrint getJasperPrint(String jasperPath, Map<String, Object> parameters, Connection conn) throws JRException { JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, parameters, conn); return jasperPrint; } /** * 传入list获取jasperPrint * * @param jasperPath * @param parameters * @param list * @return * @throws JRException */ // public JasperPrint getJasperPrintWithBeanList(String jasperPath, Map<String, Object> parameters, List<?> list) // throws JRException,SQLException { // JRDataSource jrDataSource = null; // JasperPrint jasperPrint =new JasperPrint(); // if(null != list && list.size()> 0) { // jrDataSource = new JRBeanCollectionDataSource(list); // jasperPrint = JasperFillManager.fillReport(jasperPath, parameters, jrDataSource); // }else { // jasperPrint = JasperFillManager.fillReport(jasperPath, parameters, connection); // } // return jasperPrint; // } /** * 获得相应类型的Content type * * @param docType * @return */ public String getContentType(DocType docType) { String contentType = "text/html"; switch (docType) { case PDF: contentType = "application/pdf"; break; case XLS: contentType = "application/vnd.ms-excel"; break; case XLSX: contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; break; case XML: contentType = "text/xml"; break; case RTF: contentType = "application/rtf"; break; case CSV: contentType = "text/plain"; break; case DOC: contentType = "application/msword"; break; default: throw new ServiceException("格式错误!"); } return contentType; } /** * jrxml文件 编译为 jasper文件 * * @param jrxmlPath * @param jasperPath * @throws JRException */ public void jrxmlToJsper(String jrxmlPath, String jasperPath) throws JRException { JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath); } /** * 生成html文件 * @param response * @param connection * @param jasperPath * @param fileName * @param parameters * @return */ public String createHtml(HttpServletResponse response, Connection connection, String jasperPath, String fileName, Map<String, Object> parameters, String folder) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd"); String dpath = sdf.format(new Date()); String path = "D:"+"/reportHtml" + folder + "/" + dpath; File file = new File(path); if (!file.exists()) { file.mkdirs(); } String htmlFilePath = path + "/" + fileName; try { JasperPrint jasperPrint = this.getJasperPrint(jasperPath,parameters,connection); JasperExportManager.exportReportToHtmlFile(jasperPrint, htmlFilePath); } catch (Exception ex) { LOGGER.error("生成html文件错误"+ex.getMessage(),ex); } return folder + "/" + dpath + "/" + fileName; } /** * 传入类型,获取输出器 * * @param docType * @return */ public JRAbstractExporter getJRExporter(DocType docType) { JRAbstractExporter exporter = null; switch (docType) { case PDF: exporter = new JRPdfExporter(); break; case HTML: exporter = new HtmlExporter(); break; case XLS: exporter = new JRXlsExporter(); break; case XLSX: exporter = new JRXlsxExporter(); break; case XML: exporter = new JRXmlExporter(); break; case RTF: exporter = new JRRtfExporter(); break; case CSV: exporter = new JRCsvExporter(); break; case DOC: exporter = new JRRtfExporter(); break; case TXT: exporter = new JRTextExporter(); break; default: throw new ServiceException("格式错误!"); } return exporter; } /** * 生成不同格式报表文档(带缓存) * * @param docType * 文档类型 * @param jasperPath */ @SuppressWarnings("deprecation") public void createExportDocument(DocType docType, String jasperPath, Map<String, Object> parameters, String fileName,Connection connection) throws JRException, IOException, ServletException, SQLException { //1、传入类型,获取输出器 JRAbstractExporter exporter = getJRExporter(docType); // 2、获取后缀 String ext = docType.toString().toLowerCase(); if (!fileName.toLowerCase().endsWith(ext)) { fileName += "." + ext; } // 3、判断资源类型 if ("xls".equals(ext)) { SimpleXlsReportConfiguration configuration = new SimpleXlsReportConfiguration(); // 删除记录最下面的空行 configuration.setRemoveEmptySpaceBetweenRows(Boolean.TRUE); // 一页一个sheet configuration.setOnePagePerSheet(Boolean.FALSE); // 显示边框 背景白色 configuration.setWhitePageBackground(Boolean.FALSE); exporter.setConfiguration(configuration); } if("xlsx".equals(ext)) { SimpleXlsxReportConfiguration configuration = new SimpleXlsxReportConfiguration(); configuration.setRemoveEmptySpaceBetweenRows(Boolean.TRUE); configuration.setRemoveEmptySpaceBetweenColumns(Boolean.TRUE); configuration.setWhitePageBackground(Boolean.FALSE); //自动选择格式 configuration.setDetectCellType(Boolean.TRUE); exporter.setConfiguration(configuration); } if ("txt".equals(ext)) { SimpleTextReportConfiguration configuration = new SimpleTextReportConfiguration(); configuration.setCharWidth((float)8); configuration.setCharHeight((float)15); exporter.setConfiguration(configuration); } //4、设置格式和头 response.setContentType(getContentType(docType)); response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + URLEncoder.encode(fileName, "UTF-8")); //5、加缓存 JRFileVirtualizer virtualizer = new JRFileVirtualizer(2, "D:/temp"); parameters.put(JRParameter.REPORT_VIRTUALIZER, virtualizer); virtualizer.setReadOnly(true); //6、连接数据库获取jasperPrint exporter.setExporterInput(new SimpleExporterInput(getJasperPrint(jasperPath, parameters, connection))); /*exporter.setParameter(JRExporterParameter.JASPER_PRINT, getJasperPrintWithBeanList(jasperPath, parameters, list));*/ OutputStream outStream = null; PrintWriter outWriter = null; // 7、解决中文乱码问题 response.setCharacterEncoding("UTF-8"); if ("csv".equals(ext) || "doc".equals(ext) || "rtf".equals(ext) || "txt".equals(ext)) { outWriter = response.getWriter(); SimpleWriterExporterOutput outPut = new SimpleWriterExporterOutput(outWriter); exporter.setExporterOutput(outPut); //exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, outWriter); } else { if("xml".equals(ext)) { outWriter = response.getWriter(); XmlExporterOutput outPut = new SimpleXmlExporterOutput(outWriter); exporter.setExporterOutput(outPut); }else if("html".equals(ext)){ outWriter = response.getWriter(); HtmlExporterOutput outPut = new SimpleHtmlExporterOutput(outWriter); exporter.setExporterOutput(outPut); }else { outStream = response.getOutputStream(); exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(outStream)); } } try { exporter.exportReport(); virtualizer.cleanup(); } catch (JRException e) { throw new ServletException(e); } finally { if (outStream != null) { try { outStream.close(); } catch (IOException ex) { } } if(outWriter != null) { outWriter.close(); } } } /** * 输出以分页的形式输出html * @param jasperPrint * @param pageStr * @throws JRException * @throws IOException */ public void createHtmlByPage(JasperPrint jasperPrint,String pageStr) throws JRException, IOException { int pageIndex = 0; int lastPageIndex = 0; HtmlExporter exporter = new HtmlExporter(); if(null != jasperPrint.getPages()) { lastPageIndex = jasperPrint.getPages().size() - 1; } if(null == pageStr) { pageStr = "0"; } try { pageIndex = Integer.valueOf(pageStr); if(pageIndex > 0) { pageIndex = pageIndex -1 ; } } catch (Exception e) { // 如果得到的非数字字符串 if("lastPage".equals(pageStr)) { pageIndex = lastPageIndex; } } if (pageIndex < 0) { pageIndex = 0; } if (pageIndex > lastPageIndex) { pageIndex = lastPageIndex; } response.setCharacterEncoding("UTF-8"); try { PrintWriter out = response.getWriter(); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); SimpleHtmlReportConfiguration configuration = new SimpleHtmlReportConfiguration(); configuration.setPageIndex(pageIndex); exporter.setConfiguration(configuration); //exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE); HtmlExporterOutput outPut = new SimpleHtmlExporterOutput(out); exporter.setExporterOutput(outPut); exporter.exportReport(); } catch (Exception e) { e.printStackTrace(); } } /** * 批量打印pdf文件 */ public void exportBatchPdf(List<JasperPrint> jasperPrintList,String fileName) { JRPdfExporter exporter = new JRPdfExporter(); try { /** * 注入打印模板 */ exporter.setExporterInput(SimpleExporterInput.getInstance(jasperPrintList)); OutputStream outStream = null; response.setContentType(getContentType(DocType.PDF)); response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + URLEncoder.encode(fileName, "UTF-8")); outStream = response.getOutputStream(); exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(outStream)); //配置项 SimplePdfExporterConfiguration configuration = new SimplePdfExporterConfiguration(); // 是否批量打印 configuration.setCreatingBatchModeBookmarks(true); // 是否加密 configuration.setEncrypted(false); exporter.setConfiguration(configuration); exporter.exportReport(); } catch (Exception e) { e.printStackTrace(); } } /** * 千分位格式化数据 保留两位小数,且 ‘0 ’ 转为 ‘--’ * * @param obj * @param fieldNames * 需转化的属性 * @return */ public Object toFormatNumber(Object obj, String[] fieldNames) { Class clazz = (Class) obj.getClass(); Field[] fs = clazz.getDeclaredFields(); for (int i = 0; i < fs.length; i++) { Field f = fs[i]; // 设置些属性是可以访问的 f.setAccessible(true); String type = f.getType().toString(); Object val = null; try { for (String str : fieldNames) { if (f.getName() == str) { val = f.get(obj); } } if (null != val) { if (type.endsWith("String")) { if ("0".equals(val)) { f.set(obj, "--"); } else { /* * ; BigDecimal str=new BigDecimal((String) val); DecimalFormat df=new * DecimalFormat(",###,##0.00"); */ // 保留两位小数 f.set(obj, this.toNumeber((String) val)); } } else if (type.endsWith("int") || type.endsWith("Integer")) { // System.out.println(f.getType()+"\t"); } else { // System.out.println(f.getType()+"\t"); } } } catch (Exception ex) { LOGGER.error("千分位格式化数据错误"+ex.getMessage(), ex); } } return obj; } /** * 转为万元保留小数点后两位 * * @param value * @return */ private String toNumeber(String value) { Double number = Double.valueOf(value) / 10000.00; BigDecimal str = new BigDecimal(number); DecimalFormat df = new DecimalFormat(",###,##0.00"); return df.format(str); } }