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JSP中调用Ireport报表文件并展示效果源码

2014-12-26 16:39 309 查看

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%@ page

import="java.io.*,

net.sf.jasperreports.engine.*,

net.sf.jasperreports.engine.util.*,

java.util.*,java.sql.*,

net.sf.jasperreports.engine.export.*"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Insert title here</title>

</head>

<body>

<%

//参数获取

String deptId =(String) request.getParameter("deptId");

String xmlxdm =(String) request.getParameter("xmlxdm");

String planYear =(String) request.getParameter("planYear");

//调用报表模版

File reportFile = new File(application.getRealPath("/report/RoadPlanExportExcel.jasper"));

JasperReport jasperReport = (JasperReport) JRLoader.loadObject(reportFile.getPath());

//向报表传递参数

Map<String,Object> parameters = new HashMap<String,Object>();

parameters.put("deptId", deptId);

parameters.put("xmlxdm", xmlxdm);

parameters.put("planYear", planYear);

parameters.put("title", planYear+"XXXXXX项目表--");

//JDBC连接数据源

Connection conn =null;

try{

Class.forName("oracle.jdbc.driver.OracleDriver");

conn = DriverManager.getConnection(

"jdbc:oracle:thin:@127.0.0.1:1521:XXX", "XXXX", "XXXX");

JasperPrint jasperPrint = JasperFillManager.fillReport(

jasperReport, parameters, conn);

JRHtmlExporter exporter = new JRHtmlExporter();

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();

conn.close();

}catch(Exception e){

if (null != conn) conn.close();

e.printStackTrace();

}finally{

if (null != conn) conn.close();

}

%>

</body>

</html>

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