目前我正在使用JasperReports生成PDF,显示支付列表,每个实体一张页面。以下是用于一个实体的代码:
Map<String, Object> parameters = new HashMap<String, Object>();
JasperReport jasperReport = (JasperReport) JRLoader.loadObjectFromFile(path + "WEB-INF/jasper/PaymentOrder.jasper");
report = JasperFillManager.fillReport(jasperReport, parameters, new JREmptyDataSource());
我需要做的是在一个文件中显示两个实体。我正在尝试使用子报表来实现。
- 如何将带有参数的Map传递给我的子报表?
- 如果需要,如何更改我的子报表文件以从父级获取参数?
- 如何将ResourceBundle从主报表传递到子报表?
- 如何设置子报表的名称?
主报表:
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="report name" pageWidth="595" pageHeight="842" columnWidth="535" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20">
<title>
<band height="531" splitType="Stretch">
<textField isBlankWhenNull="true">
<reportElement x="0" y="0" width="555" height="20"/>
<textElement verticalAlignment="Middle">
<font fontName="Times New Roman" isUnderline="false" pdfEncoding="UTF-8" isPdfEmbedded="true"/>
</textElement>
<textFieldExpression><![CDATA["* MASTER REPORT *"]]></textFieldExpression>
</textField>
<subreport runToBottom="false">
<reportElement positionType="Float" x="0" y="55" width="555" height="15" isPrintInFirstWholeBand="true" isPrintWhenDetailOverflows="true"/>
<dataSourceExpression><![CDATA[$P{REPORT_PARAMETERS_MAP}.get( "subReport1Params" )]]></dataSourceExpression>
<subreportExpression><![CDATA[$P{REPORT_PARAMETERS_MAP}.get( "subReport1" )]]></subreportExpression>
</subreport>
</band>
</title>
</jasperReport>
子报表:
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="report name" pageWidth="595" pageHeight="842" columnWidth="535" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20">
<title>
<band height="531" splitType="Stretch">
<textField isBlankWhenNull="true">
<reportElement x="0" y="0" width="555" height="20"/>
<textElement verticalAlignment="Middle">
<font fontName="Times New Roman" isUnderline="false" pdfEncoding="UTF-8" isPdfEmbedded="true"/>
</textElement>
<textFieldExpression><![CDATA[$P{REPORT_RESOURCE_BUNDLE}.getString( "user" ) + ": "+$P{REPORT_PARAMETERS_MAP}.get( "user" )]]></textFieldExpression>
</textField>
<textField isBlankWhenNull="true">
<reportElement x="0" y="22" width="555" height="22"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font fontName="Times New Roman" isUnderline="false" pdfEncoding="UTF-8" isPdfEmbedded="true"/>
</textElement>
<textFieldExpression><![CDATA[$P{REPORT_RESOURCE_BUNDLE}.getString( "payment" ) + " № "+$P{REPORT_PARAMETERS_MAP}.get( "docNumber" )+" "+$P{REPORT_RESOURCE_BUNDLE}.getString( "from" ) + " "+$P{REPORT_PARAMETERS_MAP}.get( "date" )]]></textFieldExpression>
</textField>
</band>
</title>
</jasperReport>
Java 代码:
HashMap<String, Object> parameters = getParametersForPayment(doc1, user, locale);
String path = ((WebApplication) Application.get()).getServletContext().getRealPath("/");
File fileSubReport1 = new File(path + "WEB-INF/jasper/PaymentOrder.jasper");
parameters.put("subReport1", JRLoader.loadObject(fileSubReport1));
File f = new File(path + "WEB-INF/jasper/PaymentMaster.jasper");
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(f);
report = JasperFillManager.fillReport(jasperReport, parameters, new JREmptyDataSource());