我认为标题很清楚。我在printerName 的行有一个java.lang.ClassCastException,我不知道如何直接指定输出pdf 的路径。到目前为止,这是我的代码:DateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); String date = sdf.format(new Date()); File file = null; MessageFormat header = null; MessageFormat footer = new MessageFormat("Page {0,number,integer}"); if(choix.equals("Lc")){ header = new MessageFormat("Liste des produits vendus le : " + date); file = new File("Z:/Enregistrements/FeuillesActiviteJour/ListeProduitsVendus_"+sdf.format(new Date())+".pdf"); } else{ header = new MessageFormat("Liste des Encaissements effectués le : " + date); file = new File("Z:/Enregistrements/FeuillesActiviteJour/ListeEncaissements_"+sdf.format(new Date())+".pdf"); } Destination destination = new Destination(file.toURI()); PrintService service = null; PrintService[] services = PrinterJob.lookupPrintServices();for (PrintService service1 : services) { if (service1.getName().equalsIgnoreCase("Microsoft Print to PDF")) { service = service1; }} PrintRequestAttributeSet set = new HashPrintRequestAttributeSet(); set.add(OrientationRequested.LANDSCAPE); set.add(destination);try { table.print(JTable.PrintMode.FIT_WIDTH, header, footer, false, set, false, service);} catch (PrinterException ex) { Logger.getLogger(TraitementFeuilleActivite.class.getName()).log(Level.SEVERE, null, ex);} catch (HeadlessException ex) { Logger.getLogger(TraitementFeuilleActivite.class.getName()).log(Level.SEVERE, null, ex);}}
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哔哔one
TA贡献1854条经验 获得超8个赞
PrinterName
无法添加到您的HashPrintRequestAttributeSet
. 您应该将其添加到HashPrintServiceAttributeSet
.
HashPrintRequestAttributeSet
只能包含PrintRequestAttribute类型的对象或其子类。这就是为什么 Java 尝试将PrintName
(类型为PrintServiceAttribute的)对象强制转换为PrintRequestAttribute
无法完成的对象,因为它不是从该对象继承的。-> ClassCastException
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