【发布时间】：2020-05-15 16:46:17
【问题描述】：
我正在尝试使用 Jasper iReport Designer 5.6.0 生成一个报告，其中的表格包含其单元格内的列表。生成的表可能如下所示：
为此，我使用以下 XML 文件作为数据源：
<report>
<table>
<persons>
<person>
<id>111</id>
<name>John</name>
<addresses>
<address>Johan's Street 1</address>
<address>Johan's Street 2</address>
<address>Johan's Street 3</address>
</addresses>
</person>
<person>
<id>222</id>
<name>Marko</name>
<addresses>
<address>Marko's Street 1</address>
<address>Marko's Street 2</address>
</addresses>
</person>
<person>
<id>333</id>
<name>Tito</name>
<addresses>
<address>Tito's Street 1</address>
<address>Tito's Street 2</address>
<address>Tito's Street 3</address>
<address>Tito's Street 4</address>
</addresses>
</person>
</persons>
</table>
</report>
还有JRXML模板：
<?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="TableWithList" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="2347c131-1884-430a-b77f-59f08f896c8a">
<property name="ireport.zoom" value="1.0"/>
<property name="ireport.x" value="0"/>
<property name="ireport.y" value="0"/>
<subDataset name="PersonsTable" uuid="1470ca7f-50f9-4781-9af7-ed3e04841738">
<queryString language="xPath">
<![CDATA[/report/table/persons/person]]>
</queryString>
<field name="person" class="java.lang.String">
<fieldDescription><![CDATA[child::text()]]></fieldDescription>
</field>
<field name="id" class="java.lang.String">
<fieldDescription><![CDATA[id]]></fieldDescription>
</field>
<field name="name" class="java.lang.String">
<fieldDescription><![CDATA[name]]></fieldDescription>
</field>
</subDataset>
<subDataset name="AddressesList" uuid="5c62f1af-dfc1-49ca-8615-493009f964f6">
<queryString language="xPath">
<![CDATA[/report/table/persons/person/addresses]]>
</queryString>
<field name="address" class="java.lang.String">
<fieldDescription><![CDATA[address]]></fieldDescription>
</field>
</subDataset>
<queryString language="xPath">
<![CDATA[/report]]>
</queryString>
<detail>
<band height="175" splitType="Stretch">
<componentElement>
<reportElement key="table" x="0" y="0" width="308" height="50" uuid="d3ef2b70-5a74-4ebf-85f5-36fbcac91938"/>
<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="PersonsTable" uuid="41f6ef78-fb40-4d6f-9998-e31689321fc8">
<dataSourceExpression><![CDATA[((net.sf.jasperreports.engine.data.JRXmlDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("/report/table/persons/person")]]></dataSourceExpression>
</datasetRun>
<jr:column width="122" uuid="3bbeb837-7663-4af6-b2f4-759be2c88102">
<jr:columnHeader height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="122" height="30" uuid="3bc07e10-17f3-45ea-8df9-69a3968dc689"/>
<text><![CDATA[NAMES]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell height="33" rowSpan="1">
<textField>
<reportElement x="0" y="0" width="122" height="33" uuid="9d26eb70-a1bc-443c-8fd1-25bcefc6dd58"/>
<textFieldExpression><![CDATA[$F{name}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
<jr:column width="185" uuid="1f779e6e-316b-4442-8e36-c020b7b50d6b">
<jr:columnHeader height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="185" height="30" uuid="59998a31-67a7-4ebe-bd15-6f6d3ec38231"/>
<text><![CDATA[ADDRESSES]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell height="33" rowSpan="1">
<componentElement>
<reportElement x="0" y="0" width="185" height="33" uuid="e6ed252e-e104-489d-bf10-b3ffb0f3ad0e"/>
<jr:list printOrder="Vertical">
<datasetRun subDataset="AddressesList" uuid="03bc1640-16e7-4111-b48a-0b77e01baefa">
<dataSourceExpression><![CDATA[((net.sf.jasperreports.engine.data.JRXmlDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("/report/table/persons/person/addresses")]]></dataSourceExpression>
</datasetRun>
<jr:listContents height="33" width="185">
<textField>
<reportElement x="0" y="0" width="185" height="33" uuid="eb98e95f-d395-4404-a77b-1660f1de9fd0"/>
<textFieldExpression><![CDATA[$F{address}]]></textFieldExpression>
</textField>
</jr:listContents>
</jr:list>
</componentElement>
</jr:detailCell>
</jr:column>
</jr:table>
</componentElement>
</band>
</detail>
这就是我得到的结果报告：
表格元素中是否可以有一个列表元素？如果是，我做错了什么？
【问题讨论】：
标签： list nested jasper-reports xmltable xmldatasource