问题描述
主表jrxml是：<?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="annual_energy_report" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="23681347-e35c-4c2b-baef-61e923a79360"><property name="ireport.zoom" value="1.0"/><property name="ireport.x" value="0"/><property name="ireport.y" value="0"/><property name="net.sf.jasperreports.export.xls.white.page.background" value="false"/><property name="net.sf.jasperreports.export.xls.detect.cell.type" value="true"/><property name="net.sf.jasperreports.export.xls.remove.empty.space.between.rows" value="true"/><property name="net.sf.jasperreports.export.xls.freeze.row" value="2"/><parameter name="SUBREPORT_DIR" class="java.lang.String" isForPrompting="false"><defaultValueExpression><![CDATA["C:\Users\xp\Desktop\ireport\sjt\"]]></defaultValueExpression></parameter><queryString><![CDATA[]]></queryString><field name="annualBuild" class="java.util.List"><fieldDescription><![CDATA[annualBuild]]></fieldDescription></field><field name="annualBuildDetail" class="java.util.List"><fieldDescription><![CDATA[annualBuildDetail]]></fieldDescription></field><field name="annualItem" class="java.util.List"><fieldDescription><![CDATA[annualItem]]></fieldDescription></field><field name="annualUnit" class="java.util.List"><fieldDescription><![CDATA[annualUnit]]></fieldDescription></field><field name="reportName" class="java.lang.String"><fieldDescription><![CDATA[reportName]]></fieldDescription></field><field name="class" class="java.lang.Class"><fieldDescription><![CDATA[class]]></fieldDescription></field><background><band splitType="Prevent"/></background><title><band height="37" splitType="Stretch"><staticText><reportElement uuid="49fdd926-8d95-4ee7-839a-b690e5676750" x="0" y="0" width="555" height="30"/><textElement textAlignment="Center"><font size="20" isBold="true"/></textElement><text><![CDATA[2013年度全校能耗统计报表]]></text></staticText></band></title><pageHeader><band height="12" splitType="Stretch"/></pageHeader><columnHeader><band height="10" splitType="Stretch"/></columnHeader><detail><band height="681" splitType="Stretch"><subreport><reportElement uuid="9caa7184-12c0-4af9-a849-99293b17a88a" x="0" y="39" width="299" height="103"/><dataSourceExpression><![CDATA[net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualBuild})]]></dataSourceExpression><subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "annual_energy_report_building.jasper"]]></subreportExpression></subreport><subreport><reportElement uuid="811885e4-1548-40b0-a18c-92dc44ab1908" x="0" y="197" width="299" height="100"/><dataSourceExpression><![CDATA[net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualUnit})]]></dataSourceExpression><subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "annual_energy_report_unit.jasper"]]></subreportExpression></subreport><subreport><reportElement uuid="5551d080-0c07-45ce-ac04-ec47eaa8a01f" x="0" y="372" width="299" height="100"/><dataSourceExpression><![CDATA[net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualItem})]]></dataSourceExpression><subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "annual_energy_report_item.jasper"]]></subreportExpression></subreport><subreport><reportElement uuid="b2304c61-6a20-47ad-83aa-c17d4058dc89" x="0" y="552" width="299" height="100"/><dataSourceExpression><![CDATA[net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualBuildDetail})]]></dataSourceExpression><subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "annual_energy_report_buildDetail.jasper"]]></subreportExpression></subreport></band></detail><columnFooter><band height="45" splitType="Stretch"/></columnFooter><pageFooter><band height="54" splitType="Stretch"/></pageFooter><summary><band height="42" splitType="Stretch"/></summary></jasperReport>编译通过，但是阅览时报错，如下：Error filling print... Error evaluating expression : Source text : net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualBuild}) Setting up the file resolver... net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression : Source text : net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{annualBuild}) at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:203) at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:591) at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:559) at net.sf.jasperreports.engine.fill.JRFillElement.evaluateExpression(JRFillElement.java:966) at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluateSubreport(JRFillSubreport.java:392) at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluate(JRFillSubreport.java:294) at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:259) at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:455) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:2044) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:778) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:288) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:151) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:909) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:841) at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:88) at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:653) at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:569) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:915) at com.jaspersoft.ireport.designer.compiler.IReportCompiler.run(IReportCompiler.java:928) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997) Caused by: groovy.lang.MissingPropertyException: No such property: net for class: annual_energy_report_1372136929372_105017 at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:50) at org.codehaus.groovy.runtime.callsite.GetEffectivePogoPropertySite.getProperty(GetEffectivePogoPropertySite.java:86) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231) at annual_energy_report_1372136929372_105017.evaluate(calculator_annual_energy_report_1372136929372_105017:173) at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:190) ... 20 more Print not filled. Try to use an EmptyDataSource...
解决方案
$F{annualBuild} 应该是这个值没有取到，你检查看看数据源
解决方案二：
查询sql中无所需字段
解决方案三：
我记得帆软报表专门针对这个主子报表的问题写过一个教程，你可以去他们官网找一下，参考参考