在JasperReport中,参数是用来传递数据给报表的一种机制。参数可以是任何类型的数据,如字符串、数字、日期等。当将参数呈现为null时,意味着没有为该参数提供任何值。 将参数呈现为null可能是由于以下几种情况导致的: 参数未正确设置:在使用JasperReport生成报表之前,需要先设置参数的值。如果参数没有被正确设置,那么在...
java.lang.NullPointerException at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:517) at net.sf.jasperreports....
在进行vue项目开发时,难免遇到各种各样的问题,虽然这些问题和报错会打击我们的自信心,但是只要换个方位...
JasperReport与iReport的配置与使用1.JasperReport与iReport简介1.1JasperReport简介JasperReport是一款报表打印组件,是开放源代码组织sf.net中的一个java报表打印工程,在我写这篇文章时,JasperReport的最新版本是0.5.2版,JasperReport的最新版本可以从http://jasperreports.sourceforge.net/index.html下载得到。JasperReport适...
When I added any *.ttf to JasperReport I got Unable to file the file: null. How can I fix this peoblem? java fonts jasper-reports export-to-pdf Share Improve this question Follow edited Aug 4, 2018 at 17:20 Cœur 38.2k2626 gold badges201201 silver badges274274 bronze badges ...
Hello, I'm facing an issue with a report that behaves differently in Jaspersoft Studio compared to JasperServer. In Jaspersoft Studio, the report works perfectly fine, but when I run the same report in JasperServer, it returns NULL values. The report is parameterized to generate data for di...
这个英文的意思是“文档中标记的地方格式不合法”,软件报错了,这个可能是软件没安装好,我用的finereport,安装过程挺简单的,你可以去下个试试,它的功能和报表设计比jasperreport强多了。
returnJasperExportManager.exportReportToXml(jasperPrint); } 代码示例来源:origin: org.kuali.student.core/ks-common-ui @Override publicStringcreateXml(Datasource,Stringtemplate,StringreportTitle){ try{ exportFileType=ExportUtils.XML; JasperPrintjprint=prepare(template,reportTitle,source,null); ...
struts+jasperreport取出来的值全为null5 select to_char(t.accepted_time, 'yyyy-MM-dd') ACCEPTEDAY, sum(decode(t.status, 0, 1, 0)) INEFFICACY, sum(decode(t.status, 1, 1, 0)) GENERATE, sum(decode(t.status, 2, 1, 0)) SENDED, sum(decode(t.status, 3, 1, 0)) CONFIRM, sum(...
I am trying to generate a jasper report using jasper server. I have uploaded the created report to server and created a parameter and an input control named roomIdWhen I am calling report with a value, it works. But when the roomId is null, report is emp