jasper-reports - 如何根据动态内容拉伸(stretch) JasperReport 中的文本字段？

Question

<?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="tree-template" pageWidth="595" pageHeight="842" columnWidth="481" leftMargin="57" rightMargin="57" topMargin="72" bottomMargin="72">
    <style name="Title" forecolor="#000000" fontName="Times New Roman" fontSize="50" isBold="false" pdfFontName="Times-Bold"/>
    <style name="SubTitle" forecolor="#666666" fontName="Times New Roman" fontSize="18" isBold="false" pdfFontName="Times-Roman"/>
    <style name="Column header" forecolor="#666666" fontName="Times New Roman" fontSize="14" isBold="true" pdfFontName="Times-Roman"/>
    <style name="Detail" mode="Transparent" fontName="Times New Roman" pdfFontName="Times-Roman"/>
    <style name="Row" mode="Transparent" fontName="Times New Roman" pdfFontName="Times-Roman">
        <conditionalStyle>
            <conditionExpression><![CDATA[$V{REPORT_COUNT}%2 == 0]]></conditionExpression>
            <style mode="Opaque" backcolor="#F0EFEF"/>
        </conditionalStyle>
    </style>
    <parameter name="JasperCustomSubReportLocation" class="net.sf.jasperreports.engine.JasperReport"/>
    <parameter name="JasperCustomSubReportDatasource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource"/>
    <field name="name" class="java.lang.String"/>
    <field name="notes" class="java.lang.String"/>
    <field name="state" class="java.lang.String"/>
    <field name="project" class="com.pearson.ltg.qmo.dashboard.domain.QDashProject">
        <fieldDescription><![CDATA[project]]></fieldDescription>
    </field>
    <field name="theme" class="java.lang.String"/>
    <field name="goals" class="java.lang.String"/>
    <field name="statusDetails" class="java.lang.String"/>
    <field name="mitigation" class="java.lang.String"/>
    <field name="status" class="java.lang.String"/>
    <field name="releaseDate" class="java.util.Calendar"/>
    <group name="Group1">
        <groupExpression><![CDATA[(int)($V{REPORT_COUNT}/15)]]></groupExpression>
    </group>
    <group name="Group2">
        <groupExpression><![CDATA[(int)($V{REPORT_COUNT}/5)]]></groupExpression>
        <groupHeader>
            <band height="10"/>
        </groupHeader>
    </group>
    <title>
        <band height="58" splitType="Stretch">
            <staticText>
                <reportElement style="Title" x="4" y="0" width="477" height="56"/>
                <textElement>
                    <font size="48" isBold="false"/>
                </textElement>
                <text><![CDATA[Release Details]]></text>
            </staticText>
        </band>
    </title>
    <detail>
        <band height="189" splitType="Stretch">
            <frame>
                <reportElement mode="Opaque" x="0" y="7" width="481" height="13" forecolor="#D0B48E" backcolor="#9DB1B8"/>
            </frame>
            <textField>
                <reportElement x="279" y="7" width="202" height="13"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{name}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement x="79" y="7" width="100" height="13"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{project}.getName()]]></textFieldExpression>
            </textField>
            <staticText>
                <reportElement x="2" y="7" width="79" height="13"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Platform : ]]></text>
            </staticText>
            <staticText>
                <reportElement x="179" y="7" width="100" height="13"/>
                <textElement>
                    <font size="10" isBold="true" isItalic="false"/>
                </textElement>
                <text><![CDATA[Release Name :]]></text>
            </staticText>
            <staticText>
                <reportElement x="0" y="20" width="47" height="20"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Status : ]]></text>
            </staticText>
            <textField>
                <reportElement x="79" y="20" width="100" height="20"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{status}]]></textFieldExpression>
            </textField>
            <staticText>
                <reportElement x="0" y="40" width="79" height="20"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Release Date: ]]></text>
            </staticText>
            <staticText>
                <reportElement x="0" y="60" width="181" height="20"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Release Goals]]></text>
            </staticText>
##want this field to auto stretch as per content##
            <textField isStretchWithOverflow="true" isBlankWhenNull="true">
                <reportElement positionType="Float" stretchType="RelativeToTallestObject" x="0" y="80" width="463" height="20"/>
                <textElement>
                    <font size="10"/>
                </textElement>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{goals}==null ? "Not Defined":$F{goals}]]></textFieldExpression>
            </textField>
##want this field to auto stretch as per content##
            <staticText>
                <reportElement stretchType="RelativeToTallestObject" x="0" y="100" width="98" height="20"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Status Details]]></text>
            </staticText>
            <textField isStretchWithOverflow="true">
                <reportElement stretchType="RelativeToTallestObject" x="2" y="120" width="463" height="20"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{statusDetails}==null ? "Not Defined":$F{statusDetails}]]></textFieldExpression>
            </textField>
            <staticText>
                <reportElement stretchType="RelativeToTallestObject" x="0" y="140" width="98" height="20"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Risk Mitigation]]></text>
            </staticText>
            <textField>
                <reportElement stretchType="RelativeToTallestObject" x="18" y="160" width="463" height="20"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[$F{mitigation}==null?"Not Defined":$F{mitigation}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement stretchType="RelativeToTallestObject" x="79" y="40" width="100" height="20"/>
                <textElement/>
                <textFieldExpression class="java.lang.String"><![CDATA[new SimpleDateFormat("MMM dd,yyyy").format($F{releaseDate}.getTime())]]></textFieldExpression>
            </textField>
            <line>
                <reportElement x="0" y="180" width="481" height="1"/>
            </line>
        </band>
    </detail>
    <columnFooter>
        <band height="12" splitType="Stretch"/>
    </columnFooter>
    <pageFooter>
        <band height="13" splitType="Stretch">
            <frame>
                <reportElement mode="Opaque" x="0" y="0" width="477" height="13" forecolor="#D0B48E" backcolor="#9DB1B8"/>
                <textField pattern="EEEEE dd MMMMM yyyy">
                    <reportElement style="Column header" x="2" y="0" width="197" height="13" forecolor="#FFFFFF"/>
                    <textElement verticalAlignment="Middle">
                        <font size="10" isBold="false"/>
                    </textElement>
                    <textFieldExpression class="java.util.Date"><![CDATA[new java.util.Date()]]></textFieldExpression>
                </textField>
                <textField evaluationTime="Report">
                    <reportElement style="Column header" x="450" y="0" width="27" height="13" forecolor="#FFFFFF"/>
                    <textElement verticalAlignment="Middle">
                        <font size="10" isBold="false"/>
                    </textElement>
                    <textFieldExpression class="java.lang.String"><![CDATA[" " + $V{PAGE_NUMBER}]]></textFieldExpression>
                </textField>
                <textField>
                    <reportElement style="Column header" x="370" y="0" width="80" height="13" forecolor="#FFFFFF"/>
                    <textElement textAlignment="Right" verticalAlignment="Middle">
                        <font size="10" isBold="false"/>
                    </textElement>
                    <textFieldExpression class="java.lang.String"><![CDATA["Page "+$V{PAGE_NUMBER}+" of"]]></textFieldExpression>
                </textField>
            </frame>
        </band>
    </pageFooter>
</jasperReport>

Answer 1

如果您使用 Jaspersoft 工作室 ，单击要更改的文本字段，导航到其属性，进入文本字段选项卡并将文本调整更改为 StretchHeight (默认为 CutText )。此外，如果您的文本字段在框架中，则应将其位置类型设置为 Float