jasper-reports - 当在打印第一页成功而其他为空的 jaspersoft 子报表中的表中添加更多行时，为什么？-6ren

jasper-reports - 当在打印第一页成功而其他为空的 jaspersoft 子报表中的表中添加更多行时，为什么？

转载作者：行者123 更新时间：2023-12-04 15:08:07

我有一个主报告，这个主报告包含两个子报告，

第一个子报表包含两个表，当第一个表上有很多数据时，它会成功打印第一页，但其他页为空。

预期的输出是继续显示第一个表的行，直到它转到第二个表，如果没有大量数据，它可以正常工作

这是设计代码:

<band height="429">
        <staticText>
            <reportElement x="13" y="5" width="100" height="60" uuid="b236e2f4-495e-4a22-87fa-4e316ea5f41f"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font size="11" isBold="true"/>
            </textElement>
            <text><![CDATA[Account Number :]]></text>
        </staticText>
        <staticText>
            <reportElement x="13" y="27" width="89" height="18" uuid="7fdc8df6-4c51-4d87-b8f7-cb0acec8acef"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font size="11" isBold="true"/>
            </textElement>
            <text><![CDATA[Description :]]></text>
        </staticText>
        <staticText>
            <reportElement x="13" y="47" width="80" height="21" uuid="294925d2-bf2a-4c51-9f8a-339873e0f747"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font size="11" isBold="true"/>
            </textElement>
            <text><![CDATA[Period from :]]></text>
        </staticText>
        <textField>
            <reportElement x="113" y="7" width="100" height="17" uuid="0406491b-1bdb-41db-8ece-4058578dc28a"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font isBold="true"/>
            </textElement>
            <textFieldExpression><![CDATA[$F{CUSTOMERACCOUNTNUMBER}]]></textFieldExpression>
        </textField>
        <textField>
            <reportElement x="100" y="24" width="350" height="23" uuid="f3a441fe-3d57-490d-9d24-cd0d060694f3"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font isBold="true"/>
            </textElement>
            <textFieldExpression><![CDATA["Summary invoice for "+ $F{COMPANYNAME}]]></textFieldExpression>
        </textField>
        <textField>
            <reportElement x="204" y="47" width="100" height="20" uuid="e71997f3-50fb-4736-8fdc-cd74d95204db"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font isBold="true"/>
            </textElement>
            <textFieldExpression><![CDATA[$F{PERIODTO}]]></textFieldExpression>
        </textField>
        <staticText>
            <reportElement x="174" y="47" width="30" height="20" uuid="bec9327c-65d8-4070-9b55-ddeaa6527e2f"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font isBold="true"/>
            </textElement>
            <text><![CDATA[  To:]]></text>
        </staticText>
        <textField>
            <reportElement x="94" y="47" width="80" height="20" uuid="9e431304-75d4-43e6-9e7b-663a1dabf504"/>
            <textElement textAlignment="Left" verticalAlignment="Middle">
                <font isBold="true"/>
            </textElement>
            <textFieldExpression><![CDATA[$F{PERIODFROM}]]></textFieldExpression>
        </textField>
        <frame>
            <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="20" y="-10" width="760" height="287" isPrintWhenDetailOverflows="true" uuid="81f11b41-36e2-4795-9965-02ae41b1b338"/>
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            </box>
            <componentElement>
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                    <property name="com.jaspersoft.studio.unit.width" value="px"/>
                </reportElement>
                <jr:table xmlns:jr="http://jasperreports.sourceforge.net/jasperreports/components" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports/components http://jasperreports.sourceforge.net/xsd/components.xsd">
                    <datasetRun subDataset="InvoiceDetailDS" uuid="d4a58f73-73e9-432a-bc4c-bc82959e3959">
                        <datasetParameter name="headerId">
                            <datasetParameterExpression><![CDATA[$F{HEADERID}]]></datasetParameterExpression>
                        </datasetParameter>
                        <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
                    </datasetRun>
                    <jr:column width="95" uuid="52966a24-1f98-4445-b6f6-f83ada4ec1f8">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="95" height="30" backcolor="#A6FFB5" uuid="868f2a68-0cba-47ce-9c30-f955deb28e85"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
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                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Service ID]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="95" height="30" isPrintWhenDetailOverflows="true" uuid="4dce2c60-c99f-4752-9697-492e8e2d9930"/>
                                <box>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{ORDERSERVICEID}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="92" uuid="bb1703e2-5b7e-4bef-9772-e40ee123a9bd">
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                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="92" height="30" backcolor="#A6FFB5" uuid="56038351-cd7e-4c6d-9158-4d071e26faf8"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
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                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Order Number]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField>
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="92" height="30" uuid="f1d27619-7b71-407d-a449-f3bfa1906c93"/>
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                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{ROSNUMBER}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="95" uuid="2703ba82-935b-496b-a4af-223f33a4a23c">
                        <jr:tableHeader height="1" rowSpan="1"/>
                        <jr:tableFooter height="1" rowSpan="1"/>
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="95" height="30" backcolor="#A6FFB5" uuid="f1fe79d1-2cea-42b1-88cb-1bc4e70ef6e1"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Action Type]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:columnFooter height="0" rowSpan="1"/>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isBlankWhenNull="true">
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{ACTIONTYPE}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="80" uuid="479436d0-de8d-4cd6-9b8d-cc8f42eef53d">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="80" height="30" backcolor="#A6FFB5" uuid="9d46cd49-e847-4967-b69b-daa03cb3ed2f"/>
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                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Invoice From]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="80" height="30" uuid="9b755792-0ce6-4144-985a-cf2f50e97c4b"/>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{INVOICEFROM}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="71" uuid="3b39699e-eeda-408c-a2af-d45125fe57ed">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="71" height="30" backcolor="#A6FFB5" uuid="5426229a-2a89-4335-aa9f-b42b51707041"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Invoice To]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="71" height="30" uuid="38071396-7786-4aec-ae98-64780811e474"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
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                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{INVOICETO}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="101" uuid="6c5336a5-d796-469d-b843-f1062bf7f7ca">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="101" height="30" backcolor="#A6FFB5" uuid="49d8ab5c-272e-428d-b4c2-466c13d9a2b7"/>
                                <box>
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                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Non-Recurring Charges]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField pattern="#,##0.###;(#,##0.###)" isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="101" height="30" uuid="a93bc30f-13bc-4eaf-9cec-92849cc69756"/>
                                <box>
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                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{NRC}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="99" uuid="f2b13180-33c5-405d-883f-402c53c8cf20">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="99" height="30" backcolor="#A6FFB5" uuid="4cc22936-e12f-4bca-bb22-453d021d61c1"/>
                                <box>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Recurring Charges]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField pattern="#,##0.###;(#,##0.###)" isBlankWhenNull="true">
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{MRC}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="90" uuid="d2a8e5ef-097b-4e8c-b0bd-84f8f2a272bd">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="90" height="30" backcolor="#A6FFB5" uuid="b2f75a95-5ac4-415b-b64b-05bcf3c77bef"/>
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                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Amount SAR]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField pattern="#,##0.###;(#,##0.###)" isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="90" height="30" uuid="0b9a5ef9-9e8a-406f-ab70-95d32ff00a40"/>
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                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{TOTALAMOUNT}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                </jr:table>
            </componentElement>
        </frame>
    </band>
</title>
<summary>
    <band height="326">
        <frame>
            <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="130" y="120" width="760" height="206" isPrintWhenDetailOverflows="true" forecolor="#000000" uuid="1c3a92e7-b648-4580-acae-afb17ad5d59e"/>
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            </box>
            <componentElement>
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                        <datasetParameter name="headerId">
                            <datasetParameterExpression><![CDATA[$F{HEADERID}]]></datasetParameterExpression>
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                        <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
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                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Old SRF Number]]></text>
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                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{OLDSRFNUMBER}]]></textFieldExpression>
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                    <jr:column width="191" uuid="1410c880-6b1d-44c3-95a3-9bddc86bb688">
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                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[Old Service Description]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:columnFooter height="0" rowSpan="1"/>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isStretchWithOverflow="true" isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="191" height="30" isPrintWhenDetailOverflows="true" uuid="e51f0035-cad9-4cc8-baef-06d208073ef5"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{OLDSERVICE}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="100" uuid="07118eff-f7e7-4577-a4da-8c58e40ae256">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="100" height="30" backcolor="#A6FFB5" uuid="6d4ed900-1965-402a-adaf-731c484c93ee"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[New SRF Number]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isStretchWithOverflow="true" isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="100" height="30" uuid="14c2da73-ebca-44a5-b6b5-ddaa50f4c360"/>
                                <box>
                                    <topPen lineWidth="0.3"/>
                                    <leftPen lineWidth="0.3"/>
                                    <bottomPen lineWidth="0.3"/>
                                    <rightPen lineWidth="0.3"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle"/>
                                <textFieldExpression><![CDATA[$F{SRFNUMBER}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                    <jr:column width="332" uuid="587c3be8-0a7a-447e-b522-63b507e03f3e">
                        <jr:columnHeader height="30" rowSpan="1">
                            <staticText>
                                <reportElement mode="Opaque" x="0" y="0" width="332" height="30" backcolor="#A6FFB5" uuid="d571175e-3038-47b7-b9b8-a17e3ba7c271"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Center" verticalAlignment="Middle">
                                    <font size="11" isBold="true"/>
                                </textElement>
                                <text><![CDATA[New Service Description]]></text>
                            </staticText>
                        </jr:columnHeader>
                        <jr:detailCell height="30" rowSpan="1">
                            <textField isStretchWithOverflow="true" isBlankWhenNull="true">
                                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="0" width="332" height="30" isPrintWhenDetailOverflows="true" uuid="a3e861ee-40be-4c0c-bcc6-3fce102aa07c"/>
                                <box>
                                    <topPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <leftPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <bottomPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                    <rightPen lineWidth="0.3" lineStyle="Solid" lineColor="#000000"/>
                                </box>
                                <textElement textAlignment="Left" verticalAlignment="Middle">
                                    <paragraph leftIndent="5"/>
                                </textElement>
                                <textFieldExpression><![CDATA[$F{DESCRIPTION}]]></textFieldExpression>
                            </textField>
                        </jr:detailCell>
                    </jr:column>
                </jr:table>
            </componentElement>
        </frame>
    </band>

这就是两个子报表包含在主报表中的方式:

    <subreport>
            <reportElement positionType="Float" x="12" y="647" width="796" height="30" isRemoveLineWhenBlank="true" uuid="01ec6c49-7d39-4bea-836e-69715b24090c">
                <property name="local_mesure_unitwidth" value="pixel"/>
                <property name="com.jaspersoft.studio.unit.width" value="px"/>
            </reportElement>
            <subreportParameter name="INVOICE_NO">
                <subreportParameterExpression><![CDATA[$P{INVOICE_NO}]]></subreportParameterExpression>
            </subreportParameter>
            <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
            <subreportExpression><![CDATA["InvoiceServiceDetails.jasper"]]></subreportExpression>
        </subreport>
        <subreport>
            <reportElement positionType="Float" x="11" y="677" width="797" height="28" isRemoveLineWhenBlank="true" uuid="aef8cb38-ed55-4893-aca0-96d852a2f5e7"/>
            <subreportParameter name="INVOICE_NO">
                <subreportParameterExpression><![CDATA[$P{INVOICE_NO}]]></subreportParameterExpression>
            </subreportParameter>
            <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
            <subreportExpression><![CDATA["InvoiceServiceSummaryDetails.jasper"]]></subreportExpression>
        </subreport>

我该如何解决这个问题？

编辑

尝试更改某些页面属性后，填充报告给了我内存不足的异常，搜索后我使用了虚拟器但没有解决。

SourceFileName = SourceFileName.replaceAll("//", "/");
                    JRVirtualizer virtualizer = new JRSwapFileVirtualizer(1000, new JRSwapFile(reportsDirString.replaceAll("//", "/"), 2048, 1024), true);

                    JRVirtualizationHelper.setThreadVirtualizer(virtualizer);
                    // .replaceAll("\\\\", "\\\\")
                    parameters.put(JRParameter.REPORT_VIRTUALIZER, virtualizer);

最佳答案

正如上面@philipobrien 所提到的，在细节带中放置子报告通常是不正确的，除非您有意希望数据源返回的每行都有一个新报告。

我建议使用允许多个频段的 GroupFooter 部分。这些带按它们在 JRXML 中出现的顺序填充。

以下示例显示了如何使用带有两个带区的 GroupFooter 部分。据我所知，GroupFooter 带将自动扩展其高度，因此无需专门设置高度，除非您当然想要最小高度。

请注意，我已从以下示例中删除了 GroupHeader 部分。在这种情况下，不需要此部分。还要注意用于确保组显示的虚拟表达式。

<group name="DUMMY_GROUP">
    <groupExpression><![CDATA[0 == 0]]></groupExpression>
    <groupFooter>
        <band>
            <subreport>
                <reportElement positionType="Float" x="12" y="647" width="796" height="30" isRemoveLineWhenBlank="true" uuid="01ec6c49-7d39-4bea-836e-69715b24090c">
                    <property name="local_mesure_unitwidth" value="pixel"/>
                    <property name="com.jaspersoft.studio.unit.width" value="px"/>
                </reportElement>
                <subreportParameter name="INVOICE_NO">
                    <subreportParameterExpression><![CDATA[$P{INVOICE_NO}]]></subreportParameterExpression>
                </subreportParameter>
                <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
                <subreportExpression><![CDATA["InvoiceServiceDetails.jasper"]]></subreportExpression>
            </subreport>
        </band>
        <band>
            <subreport>
                <reportElement positionType="Float" x="11" y="677" width="797" height="28" isRemoveLineWhenBlank="true" uuid="aef8cb38-ed55-4893-aca0-96d852a2f5e7"/>
                <subreportParameter name="INVOICE_NO">
                    <subreportParameterExpression><![CDATA[$P{INVOICE_NO}]]></subreportParameterExpression>
                </subreportParameter>
                <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
                <subreportExpression><![CDATA["InvoiceServiceSummaryDetails.jasper"]]></subreportExpression>
            </subreport>
        </band>
    </groupFooter>
</group>

关于jasper-reports - 当在打印第一页成功而其他为空的 jaspersoft 子报表中的表中添加更多行时，为什么？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42201215/

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jasper-reports - 当在打印第一页成功而其他为空的 jaspersoft 子报表中的表中添加更多行时，为什么？