package net.platform.report;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Field;
import java.net.URLEncoder;
import java.sql.Connection;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRAbstractExporter;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporter;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.base.JRBaseReport;
import net.sf.jasperreports.engine.export.JExcelApiExporter;
import net.sf.jasperreports.engine.export.JRHtmlExporter;
import net.sf.jasperreports.engine.export.JRHtmlExporterParameter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.JRRtfExporter;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
import net.sf.jasperreports.engine.export.JRXmlExporter;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.j2ee.servlets.ImageServlet;
import net.sf.jasperreports.engine.design.JRJavacCompiler;
import org.apache.commons.collections.map.ReferenceMap;
import net.sf.jasperreports.engine.export.PdfTextRenderer;
import net.sf.jasperreports.engine.export.JRGraphics2DExporter;
import org.apache.log4j.Logger;
public class JasperHelper {
private static Logger logger = Logger.getLogger(JasperHelper.class);
public static final String PRINT_TYPE = "print";
public static final String PDF_TYPE = "pdf";
public static final String EXCEL_TYPE = "excel";
public static final String HTML_TYPE = "html";
public static final String WORD_TYPE = "word";
public static void prepareReport(JasperReport jasperReport, String type) {
logger.debug("The method======= prepareReport() start.......................");
/*
* 如果导出的是excel,则需要去掉周围的margin
*/
if ("excel".equals(type))
try {
Field margin = JRBaseReport.class
.getDeclaredField("leftMargin");
margin.setAccessible(true);
margin.setInt(jasperReport, 0);
margin = JRBaseReport.class.getDeclaredField("topMargin");
margin.setAccessible(true);
margin.setInt(jasperReport, 0);
margin = JRBaseReport.class.getDeclaredField("bottomMargin");
margin.setAccessible(true);
margin.setInt(jasperReport, 0);
Field pageHeight = JRBaseReport.class
.getDeclaredField("pageHeight");
pageHeight.setAccessible(true);
pageHeight.setInt(jasperReport, 2147483647);
} catch (Exception exception) {
}
}
/**
* 导出excel
*/
public static void exportExcel(JasperPrint jasperPrint,
String defaultFilename, HttpServletRequest request,
HttpServletResponse response) throws IOException, JRException {
/*
* 设置头信息
*/
response.setContentType("application/vnd.ms-excel");
String defaultname = null;
if (defaultFilename.trim() != null && defaultFilename != null) {
defaultname = defaultFilename + ".xls";
} else {
defaultname = "export.xls";
}
response.setHeader("Content-Disposition", "attachment; filename=\""
+ URLEncoder.encode(defaultname, "UTF-8") + "\"");
ServletOutputStream ouputStream = response.getOutputStream();
JRXlsExporter exporter = new JRXlsExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
exporter.setParameter(
JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS,
Boolean.TRUE); // 删除记录最下面的空行
exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET,
Boolean.FALSE);// 删除多余的ColumnHeader
//
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND,
Boolean.FALSE);// 显示边框
exporter.exportReport();
ouputStream.flush();
ouputStream.close();
}
public static enum DocType {
PDF, HTML, XLS, XML, RTF
}
public static JRAbstractExporter getJRExporter(DocType docType) {
JRAbstractExporter exporter = null;
switch (docType) {
case PDF:
exporter = new JRPdfExporter();
break;
case HTML:
exporter = new JRHtmlExporter();
break;
case XLS:
exporter = new JExcelApiExporter();
break;
case XML:
exporter = new JRXmlExporter();
break;
case RTF:
exporter = new JRRtfExporter();
break;
}
return exporter;
}
/**
* 导出pdf,注意此处中文问题,
*
* 这里应该详细说:主要在ireport里变下就行了。看图
*
* 1)在ireport的classpath中加入iTextAsian.jar 2)在ireport画jrxml时,看ireport最左边有个属性栏。
*
* 下边的设置就在点字段的属性后出现。 pdf font name :STSong-Light ,pdf encoding :UniGB-UCS2-H
*/
private static void exportPdf(JasperPrint jasperPrint,
String defaultFilename, HttpServletRequest request,
HttpServletResponse response) throws IOException, JRException {
response.setContentType("application/pdf");
String defaultname = null;
if (defaultFilename.trim() != null && defaultFilename != null) {
defaultname = defaultFilename + ".pdf";
} else {
defaultname = "export.pdf";
}
String fileName = new String(defaultname.getBytes("GBK"), "ISO8859_1");
response.setHeader("Content-disposition", "attachment; filename="
+ fileName);
ServletOutputStream ouputStream = response.getOutputStream();
JasperExportManager.exportReportToPdfStream(jasperPrint, ouputStream);
ouputStream.flush();
ouputStream.close();
}
/**
* 导出html
*/
private static void exportHtml(JasperPrint jasperPrint,
String defaultFilename, HttpServletRequest request,
HttpServletResponse response) throws IOException, JRException {
response.setContentType("text/html");
ServletOutputStream ouputStream = response.getOutputStream();
JRHtmlExporter exporter = new JRHtmlExporter();
exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,
Boolean.FALSE);
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "UTF-8");
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
exporter.exportReport();
ouputStream.flush();
ouputStream.close();
}
/**
* 导出word
*/
private static void exportWord(JasperPrint jasperPrint,
String defaultFilename, HttpServletRequest request,
HttpServletResponse response) throws JRException, IOException {
response.setContentType("application/msword;charset=utf-8");
String defaultname = null;
if (defaultFilename.trim() != null && defaultFilename != null) {
defaultname = defaultFilename + ".doc";
} else {
defaultname = "export.doc";
}
String fileName = new String(defaultname.getBytes("GBK"), "utf-8");
response.setHeader("Content-disposition", "attachment; filename="
+ fileName);
JRExporter exporter = new JRRtfExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM,
response.getOutputStream());
exporter.exportReport();
}
/**
* 按照类型导出不同格式文件
*
* @param datas
* 数据
* @param type
* 文件类型
* @param is
* jasper文件的来源
* @param request
* @param response
* @param defaultFilename默认的导出文件的名称
*/
public static void export(String type, String defaultFilename, File is,
HttpServletRequest request, HttpServletResponse response,
Map parameters, Connection conn) {
try {
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(is);
prepareReport(jasperReport, type);
JasperPrint jasperPrint = JasperFillManager.fillReport(
jasperReport, parameters, conn);
if (EXCEL_TYPE.equals(type)) {
exportExcel(jasperPrint, defaultFilename, request, response);
} else if (PDF_TYPE.equals(type)) {
exportPdf(jasperPrint, defaultFilename, request, response);
} else if (HTML_TYPE.equals(type)) {
exportHtml(jasperPrint, defaultFilename, request, response);
} else if (WORD_TYPE.equals(type)) {
exportWord(jasperPrint, defaultFilename, request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void export(String type, String defaultFilename, File is,
HttpServletRequest request, HttpServletResponse response,
Map parameters, JRDataSource conn) {
try {
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(is);
prepareReport(jasperReport, type);
JasperPrint jasperPrint = JasperFillManager.fillReport(
jasperReport, parameters, conn);
if (EXCEL_TYPE.equals(type)) {
exportExcel(jasperPrint, defaultFilename, request, response);
} else if (PDF_TYPE.equals(type)) {
exportPdf(jasperPrint, defaultFilename, request, response);
} else if (HTML_TYPE.equals(type)) {
exportHtml(jasperPrint, defaultFilename, request, response);
} else if (WORD_TYPE.equals(type)) {
exportWord(jasperPrint, defaultFilename, request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 输出html静态页面,必须注入request和response
*
* @param jasperPath
* @param params
* @param sourceList
* @param imageUrl
* 报表文件使用的图片路径,比如 ../servlets/image?image=
* @throws JRException
* @throws IOException
* @throws ServletException
*/
public static void showHtml(String defaultFilename, String reportfile,
HttpServletRequest request, HttpServletResponse response, Map parameters,
JRDataSource conn) throws JRException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
JRAbstractExporter exporter = getJRExporter(DocType.HTML);
JasperPrint jasperPrint = JasperFillManager.fillReport(reportfile,
parameters, conn);
request.getSession().setAttribute(
ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE,
jasperPrint);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.setParameter(
JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,
Boolean.FALSE);
exporter.exportReport();
out.flush();
}
public static void showHtml(String defaultFilename, String reportfile,
HttpServletRequest request, HttpServletResponse response, Map parameters,
Connection conn) throws JRException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
JRAbstractExporter exporter = getJRExporter(DocType.HTML);
JasperPrint jasperPrint = JasperFillManager.fillReport(reportfile,
parameters, conn);
request.getSession().setAttribute(
ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE,
jasperPrint);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.setParameter(
JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,
Boolean.FALSE);
exporter.exportReport();
out.flush();
}
public static void showPdf(String defaultFilename, String reportfile,
HttpServletRequest request, HttpServletResponse response, Map parameters,
Connection conn) throws JRException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
response.setContentType("application/pdf");
JRAbstractExporter exporter = getJRExporter(DocType.PDF);
JasperPrint jasperPrint = JasperFillManager.fillReport(reportfile,
parameters, conn);
request.getSession().setAttribute(
ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE,
jasperPrint);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.exportReport();
out.flush();
}
}
package net.business.report.servlet;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.business.system.entity.TsFunction;
import net.business.system.servlet.BaseController;
import net.business.test.service.TestService;
import net.platform.report.JasperHelper;
import net.platform.utils.page.PageUtil;
import net.sf.jasperreports.data.http.RequestMethod;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.PdfTextRenderer;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.JRGraphics2DExporter;
@Controller
@RequestMapping("/report")
public class ReporyController extends BaseController {
@Autowired
private TestService testService;
@RequestMapping(params = "goContentReport")
public ModelAndView goContentReport(HttpServletRequest request) {
// return new
// ModelAndView("redirect:/frameset?__report=reports/content_report.rptdesign&categoryType=2");
return new ModelAndView("report/content_report");
}
@RequestMapping(params = "goBeanListReport")
public void goBeanListReport(PageUtil pageUtil, HttpServletRequest request,
HttpServletResponse response) throws IOException {
/*
* PageUtil pageUtil = new PageUtil();
* pageUtil.setPage(Integer.parseInt(request.getParameter("page")));
* pageUtil.setRows(Integer.parseInt(request.getParameter("rows")));
*/
String docType = request.getParameter("docType");
TsFunction tsFunc = new TsFunction();
// STEP 1 : 查询数据
List<TsFunction> beans = testService.getFuncByPage(pageUtil, tsFunc)
.getRows();
// STEP 2 : 指定数据源
JRDataSource datasource = new JRBeanCollectionDataSource(beans);
// STEP 3 : 指定模板文件
ServletContext context = request.getSession().getServletContext();
File reportFile = null;
reportFile = new File(context.getRealPath("/reports/Bean_A4.jasper"));
String exportFilePath = "tempPath";
String fileName = "beanListReport";
/*
* STEP 4 : 输出报表不同输出方式,具体实现在后边注释
*/
/* 使用HTML输出,表现为页面直接显示报表 */
try {
if ("html".equals(docType)) {
JasperHelper.showHtml(exportFilePath, reportFile.getPath(),
request, response, new HashMap(), datasource);
} else if ("pdf".equals(docType)) {
/* 使用PDF输出,表现为出现PDF文件的下载对话框 */
JasperHelper.export("pdf", fileName, reportFile, request,
response, new HashMap(), datasource);
} else if ("excel".equals(docType)) {
/* 使用EXCEL输出,表现为出现EXCEL文件的下载对话框 */
JasperHelper.export("excel", fileName, reportFile, request,
response, new HashMap(), datasource);
} else if ("word".equals(docType)) {
JasperHelper.export("word", fileName, reportFile, request,
response, new HashMap(), datasource);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}