JasperReport报表设计总结（三）

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./blog/123595

PDF格式的：

java 代码

/**
 * @copyRight Beijing Tsing-Tech Reachway Software Co.,Ltd.
 * @author Jimmy.Shine 2007-5-12
 */
package cn.com.reachway.framework.report.export;

import java.io.IOException;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.sql.Connection;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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.JRPdfExporter;
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;

/**
 *
 */
public class PDFExport {

    /**
     * 导出报表
     *
     * @param request
     * @param response
     * @param reportFilePath
     * @param params
     * @param con
     * @param fileName
     * @throws JasperReportException
     */
    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();
        // 将填充完的japserPrint放入session中。
        request.getSession().setAttribute(BaseHttpServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
        // 拿到japserPrintList
        List jasperPrintList = BaseHttpServlet.getJasperPrintList(request);
        // 若没有JasperPrintList，则抛出异常
        if (jasperPrintList == null) {
            throw new JasperReportException("在Http Session中没有找到JasperPrint List");
        }
        try {
            OutputStream ouputStream = response.getOutputStream();
            try {
                response.setContentType("application/pdf");
                response.setCharacterEncoding("UTF-8");
                if (fileName == null || fileName.equals(""))
                    response.setHeader("Content-Disposition", "inline; filename=\"noTitle.pdf\"");
                else
                    response.setHeader("Content-Disposition", "inline; filename=\""
                            + URLEncoder.encode(fileName, "UTF-8") + ".pdf\"");
                // 使用JRPdfExproter导出器导出pdf
                JRPdfExporter exporter = new JRPdfExporter();
                // 设置JasperPrintList
                exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);

                exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
                exporter.exportReport();
            } catch (JRException e) {
                e.printStackTrace();
                throw new JasperReportException("在导出pdf格式报表时发生错误");
            } 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!");
        }
    }

    /**
     * 导出报表
     *
     * @param request
     * @param response
     * @param reportFilePath
     * @param params
     * @param dataSource
     * @param fileName
     * @throws JasperReportException
     */
    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();
        // 将填充完的japserPrint放入session中。
        request.getSession().setAttribute(BaseHttpServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);
        // 拿到japserPrintList
        List jasperPrintList = BaseHttpServlet.getJasperPrintList(request);
        // 若没有JasperPrintList，则抛出异常
        if (jasperPrintList == null) {
            throw new JasperReportException("在Http Session中没有找到JasperPrint List");
        }
        try {
            OutputStream ouputStream = response.getOutputStream();
            try {
                response.setContentType("application/pdf");
                response.setCharacterEncoding("UTF-8");
                if (fileName == null || fileName.equals(""))
                    response.setHeader("Content-Disposition", "inline; filename=\"noTitle.pdf\"");
                else
                    response.setHeader("Content-Disposition", "inline; filename=\""
                            + URLEncoder.encode(fileName, "UTF-8") + ".pdf\"");
                // 使用JRPdfExproter导出器导出pdf
                JRPdfExporter exporter = new JRPdfExporter();
                // 设置JasperPrintList
                exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);

                exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
                exporter.exportReport();
            } catch (JRException e) {
                e.printStackTrace();
                throw new JasperReportException("在导出pdf格式报表时发生错误");
            } 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!");
        }
    }

}