FAQ Jasper/iReportConsultez toutes les FAQ

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<variable name="outFormatDate" class="java.text.SimpleDateFormat" resetType="Report" calculation="Nothing"> 
    <variableExpression><![CDATA[new java.text.SimpleDateFormat("MMMMM yyyy")]]></variableExpression> 
    <initialValueExpression><![CDATA[new java.text.SimpleDateFormat("MMMMM yyyy")]]></initialValueExpression> 
</variable>

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<textFieldExpression   class="java.lang.String">  
    <![CDATA["Facturation mois " + $V{outFormatDate}.format(new java.util.Date()) ]]> 
</textFieldExpression>

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<variable name="inFormatDate" class="java.text.SimpleDateFormat" resetType="Report" calculation="Nothing"> 
    <variableExpression><![CDATA[new java.text.SimpleDateFormat("dd/MM/yyyy")]]> </variableExpression> 
    <initialValueExpression> <![CDATA[new java.text.SimpleDateFormat("dd/MM/yyyy")]]> </initialValueExpression> 
</variable>

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<textFieldExpression   class="java.lang.String">  
    <![CDATA[$V{outFormatDate}.format($V{inFormatDate}.parse($F{date}))]]>  
</textFieldExpression>

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// Export au format Odt (Open Office) 
JROdtExporter exporter = new JROdtExporter(); 
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); 
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream); 
exporter .exportReport();

new Boolean( ${F1}>=0)

new Boolean( ${F1}<0)

 new java.lang.Integer(  ($F{Champ1}.intValue()) *($F{Champ2}.intValue()) )

Locale.setDefault( new Locale(taLangue) );

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File destFile = new File(nomFichier); 
JRPdfExporter exporter = new JRPdfExporter(); 
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); 
...... 
exporter.setParameter( 
JRPdfExporterParameter.PERMISSIONS,  
new Integer(PdfWriter.AllowCopy | PdfWriter.AllowPrinting|PdfWriter.AllowScreenReaders) 
                ); 
exporter.exportReport();

new Boolean(($V{PAGE_NUMBER}.intValue()!=1) ? true : false )

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<barPlot> 
     <plot orientation="Horizontal"/> 
     .... 
</barPlot>

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<barPlot> 
     <plot orientation="Horizontal"/> 
     .... 
</barPlot>

(P${St_Com_Bool}==true ? Where Statut_Commmande like "annulée","")

Select * from matable $P!{St_Com}

isIgnorePagination="true"

new DecimalFormat("#,##0.00",new DecimalFormatSymbols(Locale.FRENCH)).format($F{DEVIS_MT})

new DecimalFormat("#,##0.00",new DecimalFormatSymbols(Locale.ENGLISH)).format($F{DEVIS_MT})

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// Code de la zone "imprimer si expression" de l'objet saut_de_page 
  
($V{REPORT_COUNT}.intValue() == $P{NB_TAB_LINE_PAGE_1}.intValue() ? Boolean.TRUE :  
  (($V{REPORT_COUNT}.intValue()-$P{NB_TAB_LINE_PAGE_1}.intValue()) % $P{NB_TAB_LINE_PAGE_2}.intValue() == 0 ? Boolean.TRUE : Boolean.FALSE 
  ) 
)

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public class NeoJRViewer extends JRViewer { 
  
    JasperPrint jasperPrint ; 
  
    public NeoJRViewer(JasperPrint jp) { 
        super(jp) ; 
    } 
  
// ON REECRIT LA METHODE initSaveContributors EN COMMENTANT 
// LES FORMATS DE SAUVEGARDE QUE L'ON NE VEUT PAS GARDER 
  
    @Override 
    protected void initSaveContributors() { 
        final String[] DEFAULT_CONTRIBUTORS = { 
//        "net.sf.jasperreports.view.save.JRPrintSaveContributor", 
        "net.sf.jasperreports.view.save.JRPdfSaveContributor" 
//        "net.sf.jasperreports.view.save.JRRtfSaveContributor", 
//        "net.sf.jasperreports.view.save.JROdtSaveContributor", 
//        "net.sf.jasperreports.view.save.JRHtmlSaveContributor", 
//        "net.sf.jasperreports.view.save.JRSingleSheetXlsSaveContributor", 
//        "net.sf.jasperreports.view.save.JRMultipleSheetsXlsSaveContributor", 
//        "net.sf.jasperreports.view.save.JRCsvSaveContributor", 
//        "net.sf.jasperreports.view.save.JRXmlSaveContributor", 
//        "net.sf.jasperreports.view.save.JREmbeddedImagesXmlSaveContributor" 
        }; 
  
  
// CE BOUT DE CODE PERMET D'INITIALISER LA VARIABLE saveContributors 
// CONTENUE DANS JRViewer 
        for(int i=0; i<DEFAULT_CONTRIBUTORS.length; i++) { 
            try { 
            Class saveContribClass = JRClassLoader.loadClassForName(DEFAULT_CONTRIBUTORS[i]) ; 
            Constructor constructor = saveContribClass.getConstructor(new Class[]{Locale.class, ResourceBundle.class}) ; 
            JRSaveContributor saveContrib = (JRSaveContributor)constructor.newInstance(new Object[]{getLocale(), null}) ; 
            saveContributors.add(saveContrib) ; 
            } catch (Exception e) { 
                System.err.println(e) ; 
            } 
        } 
    } 
}

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public void viewReport(JasperPrint jasperPrint) { 
         this.viewer = new NeoJRViewer(jasperPrint) ; 
         this.getContentPane().setLayout(new BorderLayout()) ; 
         this.getContentPane().add(viewer) ; 
}