• iReport报表生成html,pdf,xls,word工具类


    package com.report;

    import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.InputStream;
    import java.sql.Connection;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    import java.util.Properties;

    import javax.servlet.ServletOutputStream;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.sql.DataSource;

    import net.sf.jasperreports.engine.JRAbstractExporter;
    import net.sf.jasperreports.engine.JRExporterParameter;
    import net.sf.jasperreports.engine.JasperFillManager;
    import net.sf.jasperreports.engine.JasperPrint;
    import net.sf.jasperreports.engine.JasperRunManager;
    import net.sf.jasperreports.engine.export.JRHtmlExporter;
    import net.sf.jasperreports.engine.export.JRHtmlExporterParameter;
    import net.sf.jasperreports.engine.export.JRXlsExporter;
    import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
    import net.sf.jasperreports.engine.export.ooxml.JRDocxExporter;
    import net.sf.jasperreports.j2ee.servlets.BaseHttpServlet;
    import net.sf.jasperreports.j2ee.servlets.ImageServlet;

    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
    import org.apache.struts2.ServletActionContext;

    /* import java.util;
    <%@page import="java.io.File"%>
    <%@page import="java.net.URLDecoder"%>
    <%@page import="java.sql.Connection"%>
    <%@page import="javax.sql.DataSource"%>
    <%@page import="com.report.ReportUtil"%>
    <%@page import="java.text.SimpleDateFormat"%>
    <%@page import="com.zhiwei.core.util.AppUtil"%>
    <%@page import="java.io.ByteArrayOutputStream"%>
    <%@page import="net.sf.jasperreports.j2ee.servlets.*"%>
    <%@page import="net.sf.jasperreports.engine.JasperPrint"%>
    <%@page import="net.sf.jasperreports.engine.JasperRunManager"%>
    <%@page import="net.sf.jasperreports.engine.JasperFillManager"%>
    <%@page import="net.sf.jasperreports.engine.JRAbstractExporter"%>
    <%@page import="net.sf.jasperreports.engine.JRExporterParameter"%>
    <%@page import="net.sf.jasperreports.engine.export.JRXlsExporter"%>
    <%@page import="org.apache.lucene.store.jdbc.support.JdbcTemplate"%>
    <%@page import="net.sf.jasperreports.engine.export.JRHtmlExporter"%>
    <%@page import="net.sf.jasperreports.engine.export.ooxml.JRDocxExporter"%>
    <%@page import="net.sf.jasperreports.engine.export.JRXlsExporterParameter"%>
    <%@page import="net.sf.jasperreports.engine.export.JRHtmlExporterParameter"%>*/

    import com.thirdPayInteface.SinaPay.SinaPayIntefaceUtil;
    import com.zhiwei.core.util.AppUtil;

    /**
    * 初始化加载report_config.properties
    * 该文件配置的是系统中所有的报表信息key=报表名称
    * @author zhangcb
    *
    */
    @SuppressWarnings("unchecked")
    public class ReportUtil {

    private static Log logger=LogFactory.getLog(SinaPayIntefaceUtil.class);

    public static Map<String,String> getReportPro(){
    Map<String,String> reportConfigMap=new HashMap<String,String>();
    try{
    Properties props = new Properties();
    InputStream in = ReportUtil.class.getResourceAsStream("/com/report/report_config.properties");
    props.load(in);
    Iterator it= props.keySet().iterator();
    while(it.hasNext()){
    String key=(String)it.next();
    reportConfigMap.put(key, props.getProperty(key));
    }
    return reportConfigMap;
    }catch(Exception e){
    e.printStackTrace();
    logger.error(e.getMessage());
    return null;
    }
    }


    public static void createReportHtml(Map<String,String> map,String reportKey,String reportType,HttpServletRequest request){
    HttpServletResponse response = ServletActionContext.getResponse();
    //报表类型
    Map<String,String> configMap = ReportUtil.getReportPro();
    String rootPath = ReportUtil.class.getResource("").getPath().replaceAll("%20"," ");
    String reportPath=configMap.get(reportKey);
    String[] str=reportPath.split("/");
    String reportName=str[str.length-1];
    try {
    DataSource dataSource = (DataSource) AppUtil.getBean("dataSource");
    Connection conn = dataSource.getConnection();
    File fullPath = new File(rootPath+reportPath+".jasper");
    ServletOutputStream ouputStream = response.getOutputStream();
    //将解析完的参数传入报表模板中并生成报表
    //如果接收到的参数为pdf类型的话,则生成pdf的报表
    if ("pdf".equals(reportType)) {
    byte[] bytes = JasperRunManager.runReportToPdf(fullPath.getPath(), map, conn);
    //设置报表生成类型为PDF
    response.setContentType("application/pdf;charset=utf-8");
    response.setCharacterEncoding("utf-8");
    response.setContentLength(bytes.length);
    reportName = reportName+".pdf";
    response.setHeader( "Content-Disposition", "attachment;filename=" + new String( reportName.getBytes("gb2312"), "ISO8859-1" ) );
    ouputStream.write(bytes, 0, bytes.length);
    } else if ("xls".equals(reportType)) {
    //如果接受到的参数为xls(excel类型)的话,则生成xls类型的报表
    JRXlsExporter exporter = new JRXlsExporter();
    ByteArrayOutputStream oStream = new ByteArrayOutputStream();
    JasperPrint jasperPrint = JasperFillManager.fillReport(fullPath.getPath(), map, conn);
    exporter.setParameter(JRExporterParameter.JASPER_PRINT,jasperPrint);
    exporter.setParameter(JRExporterParameter.OUTPUT_STREAM,oStream);
    exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS,Boolean.TRUE);
    exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET,Boolean.FALSE);
    exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND,Boolean.FALSE);
    exporter.exportReport();
    byte[] bytes = oStream.toByteArray();
    //设置报表生成类型为excel
    response.setContentType("application/vnd.ms-excel");
    response.setCharacterEncoding("utf-8");
    request.setCharacterEncoding("utf-8");
    response.setContentLength(bytes.length);
    reportName = reportName+".xls";
    response.setHeader( "Content-Disposition", "attachment;filename=" + new String( reportName.getBytes("gb2312"), "ISO8859-1" ) );
    ouputStream.write(bytes, 0, bytes.length);
    } else if("word".equals(reportType)){
    reportName = reportName+".docx";
    JRAbstractExporter exporter = new JRDocxExporter();
    List<?> jasperPrintList = (List<?>)request.getSession().getAttribute(BaseHttpServlet.DEFAULT_JASPER_PRINT_LIST_SESSION_ATTRIBUTE);
    exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
    exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, response.getOutputStream());
    response.setContentType("application/msword;charset=utf-8");
    response.setHeader( "Content-Disposition", "attachment;filename=" + new String( reportName.getBytes("utf-8"), "ISO8859-1" ) );
    request.setCharacterEncoding("utf-8");
    exporter.exportReport();
    }else{
    //否则生成html类型的报表
    JRHtmlExporter exporter = new JRHtmlExporter();
    ByteArrayOutputStream oStream = new ByteArrayOutputStream();
    JasperPrint jasperPrint = JasperFillManager.fillReport(fullPath.getPath(), map, conn);
    //这里也是解决HTML报表图片不显示的
    request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE,jasperPrint);
    exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,Boolean.FALSE);
    //下面这一句是解决HTML报表图片不显示的问题,注意URI得写对,这里URI是指jasper文件所在的目录
    exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI,"jasper?"+"time="+(new Date()).toString()+"&image=");
    exporter.setParameter(JRHtmlExporterParameter.JASPER_PRINT,jasperPrint);
    exporter.setParameter(JRHtmlExporterParameter.CHARACTER_ENCODING,"utf-8");
    exporter.setParameter(JRHtmlExporterParameter.OUTPUT_STREAM, oStream);
    exporter.exportReport();
    byte[] bytes = oStream.toByteArray();
    //设置报表生成类型的html
    response.setContentType("text/html;charset=utf-8");
    request.setCharacterEncoding("utf-8");
    response.setCharacterEncoding("utf-8");
    response.setContentLength(bytes.length);
    response.setStatus(200);
    ouputStream.write(bytes, 0, bytes.length);
    }
    ouputStream.flush();
    ouputStream.close();
    conn.close();

    } catch (Exception ex) {
    ex.printStackTrace();
    }

    }
    }

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  • 原文地址:https://www.cnblogs.com/chinaifae/p/10188982.html
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