本文介绍了Jasper报告PDF导出-从嵌入式URL显示SVG图像的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

这是示例报告

<?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="sample" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="80b32d69-a3a5-4132-afef-37bc11966113">
<parameter name="img" class="java.lang.String" isForPrompting="false">
    <defaultValueExpression><![CDATA["data:image/svg+xml;base64,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"]]></defaultValueExpression>
</parameter>
<detail>
    <band height="125" splitType="Stretch">
        <image hAlign="Left" isUsingCache="true">
            <reportElement uuid="80c1fb9b-31c1-4755-941a-f100059e488d" x="11" y="10" width="522" height="83"/>
            <imageExpression><![CDATA[$P{img}]]></imageExpression>
        </image>
    </band>
</detail>
</jasperReport>

它返回错误:

Byte data not found at : data:image/svg+xml;base64, ...

在PDF中呈现时,尽管仅在HTML导出上起作用.正如某些帖子中所建议的那样,我尝试使用

while rendering in PDF, though works only on HTML exports.As suggested in some posts, I tried using

net.sf.jasperreports.renderers.BatikRenderer.getInstance(new java.net.URL("data:..."))

但它也不起作用.

有人可以建议一种可以在所有类型的导出中显示嵌入图像的方法吗?

Could someone suggest a method that will display the embedded image in all types of exports?

推荐答案

我终于解决了将SVG嵌入Jasper PDF报告中的问题.

I have finally solved problem of embedding SVG in Jasper PDF report.

使用不带data:image/svg+xml;base64的原始SVG图像数据.

Use raw SVG image data without data:image/svg+xml;base64.

使用net.sf.jasperreports.renderers.BatikRenderer渲染SVG图像.包括此类的Maven依赖项如下:

Use net.sf.jasperreports.renderers.BatikRenderer to render SVG image. Maven dependency including this class is following:

<dependency>
    <groupId>org.apache.xmlgraphics</groupId>
    <artifactId>batik-bridge</artifactId>
    <version>1.7</version>
</dependency>

使用完全限定的类名org.apache.commons.codec.binary.Base64代替Base64.包括此类的Maven依赖项如下:

Use fully qualified class names org.apache.commons.codec.binary.Base64 instead of Base64. Maven dependency including this class is following:

<dependency>
    <groupId>commons-codec</groupId>
    <artifactId>commons-codec</artifactId>
    <version>1.10</version>
</dependency>

碧玉jrxml架子看起来像这样:

Jasper jrxml shold look like this:

<?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="sample" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="80b32d69-a3a5-4132-afef-37bc11966113">
<parameter name="img" class="java.lang.String" isForPrompting="false">
    <defaultValueExpression><![CDATA["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"]]></defaultValueExpression>
</parameter>
<detail>
    <band height="125" splitType="Stretch">
        <image hAlign="Left" isUsingCache="true">
            <reportElement uuid="80c1fb9b-31c1-4755-941a-f100059e488d" x="11" y="10" width="522" height="83"/>
            <imageExpression><![CDATA[net.sf.jasperreports.renderers.BatikRenderer.getInstance(new org.apache.commons.codec.binary.Base64().decodeBase64($P{img}))]]></imageExpression>
        </image>
    </band>
</detail>
</jasperReport>

这篇关于Jasper报告PDF导出-从嵌入式URL显示SVG图像的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

08-24 15:10
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