IReports, generate variable number of subrelatorios

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I'm using Jasper for reporting, I use IReport to build Layouts. I have a main report that has a sub report (the reason for my problem), my main report gets a list of objects, I need to generate one subrelatorio for each item in this list and popular this subReport with the respective list item. Does anyone know how to do this, is it possible to do this?

    
asked by anonymous 23.11.2018 / 19:24

1 answer

1

You can put a table in your main report.

Something like: 

<jr:table xmlns:jr="http://jasperreports.sourceforge.net/jasperreports/components" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports/components http://jasperreports.sourceforge.net/xsd/components.xsd">
                <datasetRun subDataset="ItemDataset" uuid="d3e1e03a-2c83-4436-9e50-79518bc3d337">
                    <dataSourceExpression><![CDATA[$P{ItemDataSource}]]></dataSourceExpression>
                </datasetRun>
                <jr:column width="130" uuid="dca8961f-ce2d-47ac-879c-b15847d170a9">
                    <property name="com.jaspersoft.studio.components.table.model.column.name" value="Column1"/>
                    <printWhenExpression><![CDATA[new Boolean(($V{REPORT_COUNT}.intValue()%2==0))]]></printWhenExpression>
                    <jr:tableHeader height="31" rowSpan="1">
                        <staticText>
                            <reportElement mode="Opaque" x="0" y="0" width="130" height="31" forecolor="#FFFFFF" backcolor="#3C8DCB" uuid="f60d1675-6fb6-4569-93ca-de32b3a8e861"/>
                            <textElement textAlignment="Center" verticalAlignment="Middle">
                                <font fontName="Serif" isBold="true"/>
                            </textElement>
                            <text><![CDATA[Descrição]]></text>
                        </staticText>
                    </jr:tableHeader>
                    <jr:detailCell height="30" rowSpan="1">
                        <textField>
                            <reportElement mode="Opaque" x="0" y="0" width="130" height="30" backcolor="#FFFFFF" uuid="f1de366a-b36f-4200-9b1e-7a0009be5373"/>
                            <textElement textAlignment="Center" verticalAlignment="Middle"/>
                            <textFieldExpression><![CDATA[$F{nome}]]></textFieldExpression>
                        </textField>
                    </jr:detailCell>
                </jr:column>
                <jr:column width="140" uuid="980fffb5-1088-47a6-b00f-b5d08b7093c9">
                    <property name="com.jaspersoft.studio.components.table.model.column.name" value="Column2"/>
                    <jr:tableHeader height="31" rowSpan="1">
                        <staticText>
                            <reportElement mode="Opaque" x="0" y="0" width="140" height="31" forecolor="#FFFFFF" backcolor="#3C8DCB" uuid="16679b95-2e6e-4ca1-b8b6-dd7b74267c56"/>
                            <textElement textAlignment="Center" verticalAlignment="Middle">
                                <font fontName="Serif" isBold="true"/>
                            </textElement>
                            <text><![CDATA[Valor]]></text>
                        </staticText>
                    </jr:tableHeader>
                    <jr:detailCell height="30" rowSpan="1">
                        <textField>
                            <reportElement mode="Opaque" x="0" y="0" width="140" height="30" backcolor="#FFFFFF" uuid="341e7faf-9680-4941-a9a4-ac78b8f4aae0"/>
                            <textElement textAlignment="Center" verticalAlignment="Middle"/>
                            <textFieldExpression><![CDATA[$F{valor}]]></textFieldExpression>
                        </textField>
                    </jr:detailCell>
                </jr:column>
            </jr:table>

and in Java you send the data from the list whatever a result table is.

    
23.11.2018 / 19:30
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