我正在使用 Spring 和 iReport 以 excel 格式生成碧玉报告。一切正常，但我有一个问题，我的报告在 iReport 中的背景颜色是灰色的，但我在生成的 Excel 文件中出现紫色色调。
我将 Create Custom Palette 设置为 true，但它仍然没有任何效果。
我的 Jrxml：
<?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="Charges Applicable" pageWidth="792" pageHeight="612" orientation="Landscape" whenNoDataType="AllSectionsNoDetail" columnWidth="752" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" whenResourceMissingType="Empty" >
<property name="net.sf.jasperreports.export.xls.white.page.background" value="false"/>
<subDataset name="Table Dataset 1" >
<parameter name="ContractId" class="java.lang.String"/>
<parameter name="VersionNo" class="java.lang.String"/>
<queryString>
<![CDATA[SELECT S.TERM_COMMENTS FROM FCM_TX_TERMINATION_CHARGE_T S
WHERE S.CONTRACT_ID=$P{ContractId} AND S.VERSION_NO=$P{VersionNo}]]>
</queryString>
<field name="TERM_COMMENTS" class="java.lang.String"/>
</subDataset>
<parameter name="ContractId" class="java.lang.String"/>
<parameter name="VersionNo" class="java.lang.String"/>
<queryString>
<![CDATA[SELECT F.OFFSET_ABLE_AGAINST_SLA_FLAG SLA_PENALTY_APPLICABLE
FROM FCM_TX_BASIC_CONTRACT_DTLS_T F
WHERE F.CONTRACT_ID=$P{ContractId} AND F.VERSION_NO=$P{VersionNo}]]>
</queryString>
<field name="SLA_PENALTY_APPLICABLE" class="java.lang.String"/>
<summary>
<band height="120" splitType="Stretch">
<crosstab>
<reportElement x="0" y="0" width="352" height="30" />
<rowGroup name="SLA_PENALTY_APPLICABLE" width="200">
<bucket class="java.lang.String">
<bucketExpression><![CDATA[$F{SLA_PENALTY_APPLICABLE}]]></bucketExpression>
</bucket>
<crosstabRowHeader>
<cellContents backcolor="#F0F8FF" mode="Opaque">
<textField>
<reportElement positionType="Float" stretchType="RelativeToBandHeight" mode="Opaque" x="0" y="0" width="200" height="30" backcolor="#C9D9E7" />
<textElement textAlignment="Left" verticalAlignment="Middle">
<font fontName="Arial" size="8" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA["Is SLA Penalty Applicable"]]></textFieldExpression>
</textField>
</cellContents>
</crosstabRowHeader>
<crosstabTotalRowHeader>
<cellContents/>
</crosstabTotalRowHeader>
</rowGroup>
<columnGroup name="SLA_PENALTY_APPLICABLE1" height="0">
<bucket class="java.lang.String">
<bucketExpression><![CDATA[$F{SLA_PENALTY_APPLICABLE}]]></bucketExpression>
</bucket>
<crosstabColumnHeader>
<cellContents backcolor="#F0F8FF" mode="Opaque">
<textField>
<reportElement x="0" y="0" width="0" height="0" />
<textFieldExpression><![CDATA[$V{SLA_PENALTY_APPLICABLE1}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabColumnHeader>
<crosstabTotalColumnHeader>
<cellContents/>
</crosstabTotalColumnHeader>
</columnGroup>
<measure name="SLA_PENALTY_APPLICABLEMeasure" class="java.lang.String">
<measureExpression><![CDATA[$F{SLA_PENALTY_APPLICABLE}]]></measureExpression>
</measure>
<crosstabCell width="100" height="30">
<cellContents>
<textField isBlankWhenNull="true">
<reportElement x="0" y="0" width="100" height="30" />
<textElement textAlignment="Left" verticalAlignment="Middle">
<font fontName="Arial" size="8"/>
</textElement>
<textFieldExpression><![CDATA[( $V{SLA_PENALTY_APPLICABLEMeasure}=="Y" ? "YES" : "NO" )]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell height="25" rowTotalGroup="SLA_PENALTY_APPLICABLE">
<cellContents backcolor="#BFE1FF" mode="Opaque">
<textField>
<reportElement x="0" y="0" width="50" height="25" />
<textFieldExpression><![CDATA[$V{SLA_PENALTY_APPLICABLEMeasure}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell width="50" columnTotalGroup="SLA_PENALTY_APPLICABLE1">
<cellContents backcolor="#BFE1FF" mode="Opaque">
<textField>
<reportElement x="0" y="0" width="50" height="25" />
<textFieldExpression><![CDATA[$V{SLA_PENALTY_APPLICABLEMeasure}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell rowTotalGroup="SLA_PENALTY_APPLICABLE" columnTotalGroup="SLA_PENALTY_APPLICABLE1">
<cellContents backcolor="#BFE1FF" mode="Opaque">
<textField>
<reportElement x="0" y="0" width="50" height="25" />
<textFieldExpression><![CDATA[$V{SLA_PENALTY_APPLICABLEMeasure}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
</crosstab>
<componentElement>
<reportElement key="table" positionType="Float" x="0" y="60" width="180" height="60"/>
<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="Table Dataset 1" >
<datasetParameter name="ContractId">
<datasetParameterExpression><![CDATA[$P{ContractId}]]></datasetParameterExpression>
</datasetParameter>
<datasetParameter name="VersionNo">
<datasetParameterExpression><![CDATA[$P{VersionNo}]]></datasetParameterExpression>
</datasetParameter>
<connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
</datasetRun>
<jr:column width="180" >
<jr:columnHeader height="30" rowSpan="1">
<staticText>
<reportElement positionType="Float" mode="Opaque" x="0" y="0" width="180" height="30" backcolor="#C9D9E7" />
<textElement textAlignment="Center" verticalAlignment="Middle">
<font fontName="Arial" size="8" isBold="true"/>
</textElement>
<text><![CDATA[Comments]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell height="30" rowSpan="1">
<textField isBlankWhenNull="true">
<reportElement positionType="Float" x="0" y="0" width="180" height="30" />
<textElement textAlignment="Center" verticalAlignment="Middle">
<font fontName="Arial" size="8" isBold="false"/>
</textElement>
<textFieldExpression><![CDATA[$F{TERM_COMMENTS}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
</jr:table>
</componentElement>
<staticText>
<reportElement mode="Opaque" x="0" y="40" width="180" height="20" backcolor="#C9D9E7"/>
<textElement>
<font fontName="Arial" isBold="true"/>
</textElement>
<text><![CDATA[Temination charges for convenience]]></text>
</staticText>
</band>
</summary>
</jasperReport>
