那些遇到过的问题

如何在iReport中创建背景带中的水印

Uch*_*nwu 4 jasper-reports ireport

我正在尝试在报告中创建带有文本的水印.例如this is a good report,在报告的背景上重复水平打印文本.我知道这可以在背景乐队中完成,但不知道如何.

更新 您的解决方案有效.我想以另一种方式实现这一点.我想在后台重复打印相同的文本.假设我想要打印文本welcome to a new year.我希望它以这种方式打印

welcome to a new year welcome to a new year welcome to a new year welcome to a new year
welcome to a new year welcome to a new year welcome to a new year welcome to a new year
welcome to a new year welcome to a new year welcome to a new year welcome to a new year
welcome to a new year welcome to a new year welcome to a new year welcome to a new year
welcome to a new year welcome to a new year welcome to a new year welcome to a new year
...
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所有这些都将在后台.我可以实现这样的事情而无需手动创建文本字段来填充页面.

Ale*_*x K 16

是的,你是对的.您可以使用背景波段打印水印文本(或图片).您应该设置此波段的高度 - 我认为将此波段的高度设置为与报告的高度相同更好.

For example, for A4 format I have set the 802 pixels for Background's band height. The formula for calculating this number was: the Report's height (842 pixels for A4 format) - the Left Margin's width (20 in my case) - the Right Margin's width (20 in my case).

After setting size for the Background band you can put image or staticText (textField) elements to this (Background) band.

You can rotate the text of staticText (textField) element with help of rotation attribute. The available values of this attribites are:

  • None (no rotation - 0 degrees),
  • Left (rotate 270 degrees),
  • Right (rotate 90 degrees),
  • UpsideDown (rotate 180 degrees).

In the working sample I've used styles for setting the rotation attribute for textField and for one element I've set value for this attribute directly to the textField element:

<?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="watermark_sample" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="bc290dd1-903c-4740-8484-16a2ebe872d2">
    <property name="ireport.zoom" value="1.0"/>
    <property name="ireport.x" value="0"/>
    <property name="ireport.y" value="0"/>
    <style name="Rotated180" mode="Opaque" forecolor="#FF33CC" hAlign="Center" vAlign="Middle" rotation="UpsideDown" fontName="Curlz MT" fontSize="40"/>
    <style name="Rotated270" mode="Opaque" forecolor="#FF33CC" hAlign="Center" vAlign="Middle" rotation="Left" fontName="Curlz MT" fontSize="40"/>
    <style name="Rotated90" mode="Opaque" forecolor="#FF33CC" hAlign="Center" vAlign="Middle" rotation="Right" fontName="Curlz MT" fontSize="40"/>
    <style name="NotRotated" mode="Opaque" forecolor="#FF33CC" hAlign="Center" vAlign="Middle" rotation="None" fontName="Curlz MT" fontSize="40"/>
    <queryString>
        <![CDATA[SELECT ID, NAME, COST FROM PRODUCT ORDER BY NAME]]>
    </queryString>
    <field name="ID" class="java.lang.Integer"/>
    <field name="NAME" class="java.lang.String"/>
    <field name="COST" class="java.math.BigDecimal"/>
    <background>
        <band height="802" splitType="Stretch">
            <image hAlign="Center">
                <reportElement uuid="42c96db8-4afd-4834-ba69-6b211df0c42f" style="Rotated180" mode="Opaque" x="118" y="372" width="318" height="58"/>
                <imageExpression><![CDATA["D:\\java\\jasper_reports\\happy_new_year_h.png"]]></imageExpression>
            </image>
            <staticText>
                <reportElement uuid="d7401e33-f1b3-49ca-85d1-2923d82508f6" style="NotRotated" x="106" y="22" width="342" height="63"/>
                <textElement/>
                <text><![CDATA[Happy New Year!]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="d7401e33-f1b3-49ca-85d1-2923d82508f6" style="Rotated270" x="24" y="236" width="93" height="330"/>
                <textElement/>
                <text><![CDATA[Happy New Year!]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="d7401e33-f1b3-49ca-85d1-2923d82508f6" style="Rotated90" x="445" y="236" width="93" height="330"/>
                <textElement/>
                <text><![CDATA[Happy New Year!]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="d7401e33-f1b3-49ca-85d1-2923d82508f6" style="Rotated180" x="106" y="702" width="342" height="63"/>
                <textElement/>
                <text><![CDATA[Happy New Year!]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="3bdd5d67-94f0-457f-8477-b1d0438d7bc9" mode="Opaque" x="79" y="85" width="428" height="139" forecolor="#9999FF"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="Right">
                    <font fontName="Edwardian Script ITC" size="40" isItalic="true"/>
                </textElement>
                <text><![CDATA[Happy New Year!]]></text>
            </staticText>
        </band>
    </background>
    <title>
        <band height="79" splitType="Stretch">
            <staticText>
                <reportElement uuid="6d708618-09e4-433d-ab48-bb9cbd0b832b" x="92" y="29" width="370" height="20"/>
                <textElement>
                    <font size="14" isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Sample of report with watermark]]></text>
            </staticText>
        </band>
    </title>
    <columnHeader>
        <band height="20" splitType="Stretch">
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="0" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Id]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="200" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Cost]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="100" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Name]]></text>
            </staticText>
        </band>
    </columnHeader>
    <detail>
        <band height="20" splitType="Stretch">
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="0" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{ID}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="100" y="0" width="100" height="20"/>
                <box leftPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement/>
                <textFieldExpression><![CDATA[$F{NAME}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="200" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{COST}]]></textFieldExpression>
            </textField>
        </band>
    </detail>
</jasperReport>
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The image element does not support the rotation attribute, but you can create any image you want manually.

注意:在这个示例中,我对 textField和 image元素使用了 mode ="Opaque".

结果将是(通过iReport预览功能): 生成的报告

为了解决你的情况(几个文本作为水印)我把几个textField元素放到了背景乐队.该报告的模板是:

<?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="watermark_sample" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="bc290dd1-903c-4740-8484-16a2ebe872d2">
    <property name="ireport.zoom" value="1.0"/>
    <property name="ireport.x" value="0"/>
    <property name="ireport.y" value="68"/>
    <queryString>
        <![CDATA[SELECT ID, NAME, COST FROM PRODUCT ORDER BY NAME]]>
    </queryString>
    <field name="ID" class="java.lang.Integer"/>
    <field name="NAME" class="java.lang.String"/>
    <field name="COST" class="java.math.BigDecimal"/>
    <background>
        <band height="802" splitType="Stretch">
            <staticText>
                <reportElement uuid="3bdd5d67-94f0-457f-8477-b1d0438d7bc9" mode="Transparent" x="63" y="112" width="428" height="56" forecolor="#808080"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="None">
                    <font fontName="Serif" size="40" isItalic="true"/>
                </textElement>
                <text><![CDATA[this is a good report]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="3bdd5d67-94f0-457f-8477-b1d0438d7bc9" mode="Transparent" x="63" y="272" width="428" height="56" forecolor="#808080"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="None">
                    <font fontName="Serif" size="40" isItalic="true"/>
                </textElement>
                <text><![CDATA[this is a good report]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="3bdd5d67-94f0-457f-8477-b1d0438d7bc9" mode="Transparent" x="63" y="432" width="428" height="56" forecolor="#808080"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="None">
                    <font fontName="Serif" size="40" isItalic="true"/>
                </textElement>
                <text><![CDATA[this is a good report]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="3bdd5d67-94f0-457f-8477-b1d0438d7bc9" mode="Transparent" x="63" y="594" width="428" height="56" forecolor="#808080"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="None">
                    <font fontName="Serif" size="40" isItalic="true"/>
                </textElement>
                <text><![CDATA[this is a good report]]></text>
            </staticText>
        </band>
    </background>
    <title>
        <band height="79" splitType="Stretch">
            <staticText>
                <reportElement uuid="6d708618-09e4-433d-ab48-bb9cbd0b832b" x="92" y="29" width="370" height="20"/>
                <textElement>
                    <font size="14" isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Sample of report with watermark]]></text>
            </staticText>
        </band>
    </title>
    <columnHeader>
        <band height="20" splitType="Stretch">
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="0" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Id]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="200" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Cost]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="100" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Name]]></text>
            </staticText>
        </band>
    </columnHeader>
    <detail>
        <band height="20" splitType="Stretch">
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="0" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{ID}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="100" y="0" width="100" height="20"/>
                <box leftPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement/>
                <textFieldExpression><![CDATA[$F{NAME}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="200" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{COST}]]></textFieldExpression>
            </textField>
        </band>
    </detail>
</jasperReport>
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注意:在这个示例中,我对 textField元素使用了 mode ="Transparent".

报告的设计(在iReport中):

在此输入图像描述

结果将是(通过iReport预览功能): 在iReport中生成报告

如果要设置自定义旋转角度,可以在JasperReports帖子中的页面上找到更多信息.

更新:您可以解决第二个问题,例如,借助 Commons Lang API的 StringUtils.repeat(java.lang.String,int)方法.

您可以将导入指令(<import value="org.apache.commons.lang3.StringUtils"/>在我的示例中)添加到报表的模板中,并使用如下表达式:

<textFieldExpression><![CDATA[StringUtils.repeat("Welcome to a New Year! ", $P{numberOfRepeats})]]></textFieldExpression>
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该JRXML文件:

<?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="watermark_sample" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="bc290dd1-903c-4740-8484-16a2ebe872d2">
    <import value="org.apache.commons.lang3.StringUtils"/>
    <parameter name="numberOfRepeats" class="java.lang.Integer" isForPrompting="false">
        <defaultValueExpression><![CDATA[10]]></defaultValueExpression>
    </parameter>
    <queryString>
        <![CDATA[SELECT ID, NAME, COST FROM PRODUCT ORDER BY NAME]]>
    </queryString>
    <field name="ID" class="java.lang.Integer"/>
    <field name="NAME" class="java.lang.String"/>
    <field name="COST" class="java.math.BigDecimal"/>
    <background>
        <band height="802" splitType="Stretch">
            <textField isStretchWithOverflow="true">
                <reportElement uuid="26290245-c5cf-4f28-b637-c5b0253910a5" mode="Transparent" x="21" y="112" width="470" height="56" forecolor="#808080"/>
                <textElement textAlignment="Center" verticalAlignment="Middle" rotation="None" markup="none">
                    <font fontName="Serif" size="20" isItalic="true"/>
                </textElement>
                <textFieldExpression><![CDATA[StringUtils.repeat("Welcome to a New Year! ", $P{numberOfRepeats})]]></textFieldExpression>
            </textField>
        </band>
    </background>
    <title>
        <band height="79" splitType="Stretch">
            <staticText>
                <reportElement uuid="6d708618-09e4-433d-ab48-bb9cbd0b832b" x="92" y="29" width="370" height="20"/>
                <textElement>
                    <font size="14" isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Sample of report with watermark]]></text>
            </staticText>
        </band>
    </title>
    <columnHeader>
        <band height="20" splitType="Stretch">
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="0" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Id]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="200" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Cost]]></text>
            </staticText>
            <staticText>
                <reportElement uuid="414160e2-41c4-4326-8ec8-ff7c230ac2c3" mode="Opaque" x="100" y="0" width="100" height="20" forecolor="#000000" backcolor="#3399FF"/>
                <box leftPadding="10" rightPadding="10">
                    <topPen lineWidth="1.0"/>
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Name]]></text>
            </staticText>
        </band>
    </columnHeader>
    <detail>
        <band height="20" splitType="Stretch">
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="0" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{ID}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="100" y="0" width="100" height="20"/>
                <box leftPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement/>
                <textFieldExpression><![CDATA[$F{NAME}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="5715c691-0b39-4530-9009-3b7179bb06f5" x="200" y="0" width="100" height="20"/>
                <box leftPadding="10" rightPadding="10">
                    <leftPen lineWidth="1.0"/>
                    <bottomPen lineWidth="1.0"/>
                    <rightPen lineWidth="1.0"/>
                </box>
                <textElement textAlignment="Right"/>
                <textFieldExpression><![CDATA[$F{COST}]]></textFieldExpression>
            </textField>
        </band>
    </detail>
</jasperReport>
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结果将是(通过iReport预览功能):

在iReport中生成报告

细节:

  • 在这个例子中,我使用了Commons Lang库v.3.1.您应该将此库添加到应用程序的类路径中(在我的例子中,它是iReport的cp).

iReport类路径

  • 我使用参数numberOfRepeats(java.lang.Integer)来设置要生成的短语数.

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