- jimmy.shine
- 等级:
- 性别:
- 文章: 100
- 积分: 190
- 来自: 北京
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由于在一个里面不能贴太多的代码,故放置代码在此处。
上接:http://jimmy-shine.iteye.com/blog/78678
下接:http://jimmy-shine.iteye.com/blog/123597
java 代码
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- package cn.com.reachway.framework.report.export;
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- import java.io.IOException;
- import java.io.PrintWriter;
- import java.sql.Connection;
- import java.util.Map;
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- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
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- import net.sf.jasperreports.engine.JRDataSource;
- import net.sf.jasperreports.engine.JRExporterParameter;
- import net.sf.jasperreports.engine.JasperPrint;
- import net.sf.jasperreports.engine.export.JRHtmlExporter;
- import net.sf.jasperreports.engine.export.JRHtmlExporterParameter;
- import net.sf.jasperreports.j2ee.servlets.ImageServlet;
- import cn.com.reachway.framework.exception.JasperReportException;
- import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithConnection;
- import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithDataSource;
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- public class HTMLExport {
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- public void export(HttpServletRequest request, HttpServletResponse response, String reportFilePath, Map params,
- Connection con) throws JasperReportException {
- try {
- PrintWriter out = response.getWriter();
- try {
- response.setContentType("text/html;charset=UTF-8");
- JasperPrint jasperPrint = new JasperPrintWithConnection(reportFilePath, params, con).getJasperPrint();
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- JRHtmlExporter exporter = new JRHtmlExporter();
- request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
- exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
- exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
- exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, "./servlets/image?image=");
- exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "UTF-8");
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- exporter.exportReport();
- } catch (Exception e) {
- e.printStackTrace();
- throw new JasperReportException("在导出Html格式报表时发生错误!");
- } finally {
- if (out != null) {
- try {
- out.close();
- } catch (Exception e) {
- }
- }
- }
- } catch (IOException ioe) {
- ioe.printStackTrace();
- throw new JasperReportException("从Response中取得PrintWriter时发生错误!");
- }
- }
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- public void export(HttpServletRequest request, HttpServletResponse response, String reportFilePath, Map params,
- JRDataSource dataSource) throws JasperReportException {
- try {
- PrintWriter out = response.getWriter();
- try {
- response.setContentType("text/html;charset=UTF-8");
- JasperPrint jasperPrint = new JasperPrintWithDataSource(reportFilePath, params, dataSource)
- .getJasperPrint();
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- JRHtmlExporter exporter = new JRHtmlExporter();
- request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
- exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
- exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
- exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, "./servlets/image?image=");
- exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "UTF-8");
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- exporter.exportReport();
- } catch (Exception e) {
- e.printStackTrace();
- throw new JasperReportException("在导出Html格式报表时发生错误!");
- } finally {
- if (out != null) {
- try {
- out.close();
- } catch (Exception e) {
- }
- }
- }
- } catch (IOException ioe) {
- ioe.printStackTrace();
- throw new JasperReportException("从Response中取得PrintWriter时发生错误!");
- }
- }
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- }
Excel格式的:
java 代码
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- package cn.com.reachway.framework.report.export;
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- import java.io.IOException;
- import java.io.OutputStream;
- import java.net.URLEncoder;
- import java.sql.Connection;
- import java.util.List;
- import java.util.Map;
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- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
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- import net.sf.jasperreports.engine.JRDataSource;
- import net.sf.jasperreports.engine.JRException;
- import net.sf.jasperreports.engine.JRExporterParameter;
- import net.sf.jasperreports.engine.JasperPrint;
- import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
- import net.sf.jasperreports.engine.export.JRXlsAbstractExporterParameter;
- import net.sf.jasperreports.j2ee.servlets.BaseHttpServlet;
- import cn.com.reachway.framework.exception.JasperReportException;
- import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithConnection;
- import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithDataSource;
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- public abstract class BaseExcelExport {
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- public void export(HttpServletRequest request, HttpServletResponse response, String reportFilePath, Map params,
- Connection con, String fileName) throws JasperReportException {
- JasperPrint jasperPrint = new JasperPrintWithConnection(reportFilePath, params, con).getJasperPrint();
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- request.getSession().setAttribute(BaseHttpServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
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- List jasperPrintList = BaseHttpServlet.getJasperPrintList(request);
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- if (jasperPrintList == null) {
- throw new JasperReportException("在Http Session中没有找到JasperPrint List");
- }
- try {
- OutputStream ouputStream = response.getOutputStream();
- try {
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- response.setContentType("application/xls");
- response.setCharacterEncoding("UTF-8");
- if (fileName == null || fileName.equals(""))
- response.setHeader("Content-Disposition", "inline; filename=\"noTitle.xls\"");
- else {
- response.setHeader("Content-Disposition", "inline; filename=\""
- + URLEncoder.encode(fileName, "UTF-8") + ".xls\"");
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- }
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- JRXlsAbstractExporter exporter = getXlsExporter();
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- exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
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- exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
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- exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
- exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
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- exporter.exportReport();
- } catch (JRException e) {
- e.printStackTrace();
- throw new JasperReportException("在生成XLS报表时发生错误!");
- }
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- finally {
- if (ouputStream != null) {
- try {
- ouputStream.close();
- } catch (IOException ex) {
- }
- }
- }
- } catch (IOException ioe) {
- ioe.printStackTrace();
- throw new JasperReportException("从Response中取得OutputStream时发生错误!");
- }
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- }
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- public void export(HttpServletRequest request, HttpServletResponse response, String reportFilePath, Map params,
- JRDataSource dataSource, String fileName) throws JasperReportException {
- JasperPrint jasperPrint = new JasperPrintWithDataSource(reportFilePath, params, dataSource).getJasperPrint();
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- request.getSession().setAttribute(BaseHttpServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
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- List jasperPrintList = BaseHttpServlet.getJasperPrintList(request);
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- if (jasperPrintList == null) {
- throw new JasperReportException("在Http Session中没有找到JasperPrint List");
- }
- try {
- OutputStream ouputStream = response.getOutputStream();
- try {
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- response.setContentType("application/xls");
- response.setCharacterEncoding("UTF-8");
- if (fileName == null || fileName.equals(""))
- response.setHeader("Content-Disposition", "inline; filename=\"noTitle.xls\"");
- else {
- response.setHeader("Content-Disposition", "inline; filename=\""
- + URLEncoder.encode(fileName, "UTF-8") + ".xls\"");
-
- }
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- JRXlsAbstractExporter exporter = getXlsExporter();
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- exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
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- exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
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- exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
- exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
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- exporter.exportReport();
- } catch (JRException e) {
- e.printStackTrace();
- throw new JasperReportException("在生成XLS报表时发生错误!");
- }
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- finally {
- if (ouputStream != null) {
- try {
- ouputStream.close();
- } catch (IOException ex) {
- }
- }
- }
- } catch (IOException ioe) {
- ioe.printStackTrace();
- throw new JasperReportException("从Response中取得OutputStream时发生错误!");
- }
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- }
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- protected abstract JRXlsAbstractExporter getXlsExporter();
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- }
java 代码
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- package cn.com.reachway.framework.report.export;
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- import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
- import net.sf.jasperreports.engine.export.JRXlsExporter;
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- public class XlsPOIExport extends BaseExcelExport {
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- protected JRXlsAbstractExporter getXlsExporter() {
- return new JRXlsExporter();
- }
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- }
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java 代码
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- package cn.com.reachway.framework.report.export;
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- import net.sf.jasperreports.engine.export.JExcelApiExporter;
- import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
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- public class XlsJExcelExport extends BaseExcelExport {
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- protected JRXlsAbstractExporter getXlsExporter() {
- return new JExcelApiExporter();
- }
- }
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- lifei800
- 等级: 初级会员
- 性别:
- 文章: 3
- 积分: 30
- 来自: 河北
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为什么将填充完的japserPrint放入session中呢?
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- changyang
- 等级: 初级会员
- 性别:
- 文章: 1
- 积分: 30
- 来自: 广州
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protected JRXlsAbstractExporter getXlsExporter() {
return new JExcelApiExporter();
}
晕了几天,才发现JRXlsExporter导不出图片,源码中的imageexport(...)居然是空的,哈哈,多谢了
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- windowshead
- 等级: 初级会员
- 性别:
- 文章: 10
- 积分: 30
- 来自: 深圳
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import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithConnection;
import cn.com.reachway.framework.report.jasperPrint.JasperPrintWithDataSource; 这个 二个类是什么类?能否提供一下~!
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- windowshead
- 等级: 初级会员
- 性别:
- 文章: 10
- 积分: 30
- 来自: 深圳
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谢谢你能提供二个类,但是我还是运行不起来,郁闷中....!能不能给一个demo给参考一下,谢谢了~!
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