ireport 使用

/**
 * @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.PrintWriter;
import java.sql.Connection;
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.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;

/**
 * 利用报表生成HTML格式报表
 */
public class HTMLExport {

    /**
     * 导出报表
     *
     * @param request
     * @param response
     * @param reportFilePath
     * @param params
     * @param con
     * @throws JasperReportException
     */
    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();
                // 使用JRHtmlExproter导出Html格式
                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");
                // 导出
                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!");
        }
    }

    /**
     * 导出报表
     *
     * @param request
     * @param response
     * @param reportFilePath
     * @param params
     * @param dataSource
     * @throws JasperReportException
     */
    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();
                // 使用JRHtmlExproter导出Html格式
                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");
                // 导出
                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!");
        }
    }

}

Excel格式的：

java 代码

/**
 * @copyRight Beijing Tsing-Tech Reachway Software Co.,Ltd.
 * @author Jimmy.Shine 2007-5-13
 */
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.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;

/**
 * 利用报表生成Xls的基类
 */
public abstract class BaseExcelExport {
    /**
     * 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/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\"");

                }
                // Xls格式的导出器 JRXlsAbstractExport
                JRXlsAbstractExporter exporter = getXlsExporter();

                // 在导出器中放入要导出的japserPrintList
                exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);

                exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
                // 设置Xls的属性
                exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
                exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
                // 导出
                exporter.exportReport();
            } catch (JRException e) {
                e.printStackTrace();
                throw new JasperReportException("在生成XLS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/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\"");

                }
                // Xls格式的导出器 JRXlsAbstractExport
                JRXlsAbstractExporter exporter = getXlsExporter();

                // 在导出器中放入要导出的japserPrintList
                exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);

                exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
                // 设置Xls的属性
                exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
                exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
                // 导出
                exporter.exportReport();
            } catch (JRException e) {
                e.printStackTrace();
                throw new JasperReportException("在生成XLS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!");
        }

    }

    protected abstract JRXlsAbstractExporter getXlsExporter();

}

java 代码

/**
 * @copyRight Beijing Tsing-Tech Reachway Software Co.,Ltd.
 * @author Jimmy.Shine 2007-5-13
 */
package cn.com.reachway.framework.report.export;

import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
import net.sf.jasperreports.engine.export.JRXlsExporter;

/**
 * 利用报表使用POI生成XLS报表
 */
public class XlsPOIExport extends BaseExcelExport {

    protected JRXlsAbstractExporter getXlsExporter() {
        return new JRXlsExporter();
    }

}

java 代码

/**
 * @copyRight Beijing Tsing-Tech Reachway Software Co.,Ltd.
 * @author Jimmy.Shine 2007-5-13
 */
package cn.com.reachway.framework.report.export;

import net.sf.jasperreports.engine.export.JExcelApiExporter;
import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;

/**
 * 利用报表使用JExcel生成xls报表
 */
public class XlsJExcelExport extends BaseExcelExport {

    protected JRXlsAbstractExporter getXlsExporter() {
        return new JExcelApiExporter();
    }
}