Java 如何在jasper中使用子报表?
我做错了什么Java 如何在jasper中使用子报表?,java,jasper-reports,Java,Jasper Reports,我做错了什么 private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { subreport_dir = "...\\Report\\subReport.jasper"; try { compileView("...\\Report\\myReport.jrxml");
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
subreport_dir = "...\\Report\\subReport.jasper";
try {
compileView("...\\Report\\myReport.jrxml");
} catch (JRException ex) {
JOptionPane.showMessageDialog(this, "No Row");
System.out.println(ex.toString());
}
}
当我调用函数时
private static void compileView(String path) throws JRException {
Map<String, Object> param = new HashMap<String, Object>();
param.put("month", myMonth);
param.put("year", myYear);
param.put("SUBREPORT_DIR", subreport_dir);
param.putAll(param);
JasperReport jRp = JasperCompileManager.compileReport(path);
JasperPrint jPrint = JasperFillManager.fillReport(jRp, param, getConnection());
JasperViewer.viewReport(jPrint, false);
JasperViewer.setDefaultLookAndFeelDecorated(true);
}
private static void compileView(字符串路径)引发异常{
Map param=new HashMap();
参数put(“月”,myMonth);
参数put(“年”,myYear);
参数put(“子报告目录”,子报告目录);
参数putAll(参数);
JasperReport jRp=jaspecompilemanager.compileReport(路径);
JasperPrint jPrint=JasperFillManager.fillReport(jRp,param,getConnection());
JasperViewer.viewReport(jPrint,false);
JasperViewer.setDefaultLookAndFeelDecorated(true);
}
我得到一个例外:
线程“AWT-EventQueue-0”java.lang.NoClassDefFoundError中出现异常:net/sf/jasperreports/compilers/GroovyEvaluator
我该怎么办?更改报告中
标记上的语言标记
<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="subreport" language="groovy" pageWidth="555" pageHeight="842" columnWidth="555" leftMargin="0" rightMargin="0" topMargin="0" bottomMargin="0" uuid="6afeba62-b470-4dfb-a8fb-42e2226b906d">
language=“groovy”
到
language=“java”