如何将图像作为参数传递给jasper报告? [英] How can I pass an image as a parameter to jasper report?
本文介绍了如何将图像作为参数传递给jasper报告?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
如何从Java应用程序将Image作为参数传递给Jasper Report?
我尝试过:
java.awt.HashMap params = new java.awt.HashMap();
params.put(logo,new javax.swing .ImageIcon(D:\\1.jpg)。getImage());
How can I pass an Image as a parameter to Jasper Report from a java application?
What I have tried:
java.awt.HashMap params = new java.awt.HashMap();
params.put("logo", new javax.swing.ImageIcon("D:\\1.jpg").getImage());
推荐答案
我认为你传递图像的方式还可以。在jrxml中使用它:
< image>
< reportElement ... />
< imageExpression class =java.awt.Image><![CDATA
I think the way you are passing the image is OK. Use it in the jrxml as:
<image>
<reportElement ... />
<imageExpression class="java.awt.Image"><![CDATA
P {logo}]]>< / imageExpression>
< / image>
即确保表达式类是java.awt.Image,表达式本身指向正确的参数。
P{logo}]]></imageExpression>
</image>
I.e. make sure the expression class is java.awt.Image and the expression itself points to the correct parameter.
这篇关于如何将图像作为参数传递给jasper报告?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IT屋!
查看全文