打印不会填充A4纸
我的代码存在一些问题： 1）打印件没有填充A4Paper（见下图） 2）我打印的区域的背景，在纸上是灰色的，我该如何解决这个问题？
基本上我的代码会打印JFrame及其组件。
我的源代码：
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import javax.swing.SwingConstants;
public class Stampa {
private JFrame frame;
double qt, num, sconto, importo;
/**
* Launch the application.
*/
public static void stampa() {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Stampa window = new Stampa();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public Stampa() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.getContentPane().setFont(new Font("Tahoma", Font.PLAIN, 12));
frame.setBounds(100, 100, 794, 1123);
frame.setResizable(false);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.getContentPane().setLayout(null);
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd/MM/yyyy");
LocalDate localDate = LocalDate.now();
System.out.println(dtf.format(localDate));
JLabel lblSpettle = new JLabel("SPETT.LE");
lblSpettle.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblSpettle.setBounds(442, 116, 68, 14);
frame.getContentPane().add(lblSpettle);
JLabel lblNewLabel = new JLabel(Main.textField_14.getText()+" "+Main.textField_15.getText());
lblNewLabel.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel.setBounds(442, 141, 250, 14);
frame.getContentPane().add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel(Main.textField_18.getText());
lblNewLabel_1.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel_1.setBounds(442, 184, 250, 14);
frame.getContentPane().add(lblNewLabel_1);
JLabel lblNewLabel_2 = new JLabel(Main.textField_19.getText()+" "+Main.textField_17.getText());
lblNewLabel_2.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel_2.setBounds(442, 223, 206, 14);
frame.getContentPane().add(lblNewLabel_2);
JLabel lblNewLabel_3 = new JLabel(Main.textField_20.getText());
lblNewLabel_3.setBounds(714, 224, 43, 14);
frame.getContentPane().add(lblNewLabel_3);
JLabel lblNewLabel_4 = new JLabel("Codice Cliente: "+Main.codw);
lblNewLabel_4.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel_4.setBounds(29, 165, 250, 14);
frame.getContentPane().add(lblNewLabel_4);
JLabel label = new JLabel("Milano, "+dtf.format(localDate));
label.setFont(new Font("Tahoma", Font.PLAIN, 12));
label.setBounds(29, 224, 250, 14);
frame.getContentPane().add(label);
JLabel label_1 = new JLabel("Partita Iva: "+Main.textField_16.getText());
label_1.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_1.setBounds(29, 202, 250, 14);
frame.getContentPane().add(label_1);
JLabel lblNewLabel_5 = new JLabel("------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
lblNewLabel_5.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel_5.setBounds(29, 336, 728, 14);
frame.getContentPane().add(lblNewLabel_5);
JLabel label_2 = new JLabel("------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
label_2.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_2.setBounds(29, 381, 728, 14);
frame.getContentPane().add(label_2);
JLabel lblNewLabel_6 = new JLabel("D E S C R I Z I O N E");
lblNewLabel_6.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblNewLabel_6.setBounds(55, 357, 122, 24);
frame.getContentPane().add(lblNewLabel_6);
JLabel lblQta = new JLabel("Q.TA");
lblQta.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblQta.setBounds(244, 357, 43, 24);
frame.getContentPane().add(lblQta);
JLabel lblPrezzo = new JLabel("PREZZO");
lblPrezzo.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblPrezzo.setBounds(345, 357, 49, 24);
frame.getContentPane().add(lblPrezzo);
JLabel lblSconto = new JLabel("SCONTO");
lblSconto.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblSconto.setBounds(457, 357, 53, 24);
frame.getContentPane().add(lblSconto);
JLabel lblImporto = new JLabel("IMPORTO");
lblImporto.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblImporto.setBounds(589, 357, 59, 24);
frame.getContentPane().add(lblImporto);
JLabel lblIva = new JLabel("IVA");
lblIva.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblIva.setBounds(714, 357, 27, 24);
frame.getContentPane().add(lblIva);
JLabel label_4 = new JLabel("Testata: "+Main.textField_21.getText());
label_4.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_4.setBounds(29, 473, 250, 14);
frame.getContentPane().add(label_4);
JLabel label_5 = new JLabel(Main.textField_22.getText()+" "+Main.textField_28.getText());
label_5.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_5.setBounds(29, 498, 250, 14);
frame.getContentPane().add(label_5);
JLabel label_6 = new JLabel("Soggetto: "+Main.textField_26.getText());
label_6.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_6.setBounds(29, 523, 250, 14);
frame.getContentPane().add(label_6);
JLabel label_7 = new JLabel("Cliente:");
label_7.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_7.setBounds(29, 548, 250, 14);
frame.getContentPane().add(label_7);
JLabel label_8 = new JLabel("Uscita: "+"N.: "+Main.textField_24.getText()+" del "+Main.textField_25.getText());
label_8.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_8.setBounds(29, 573, 333, 14);
frame.getContentPane().add(label_8);
JLabel lblD = new JLabel(Main.textField_23.getText());
lblD.setBounds(252, 423, 27, 14);
frame.getContentPane().add(lblD);
qt = Double.parseDouble(lblD.getText());
JLabel lblD_1 = new JLabel(Main.textField_30.getText());
lblD_1.setBounds(341, 423, 74, 14);
frame.getContentPane().add(lblD_1);
num = Double.parseDouble(lblD_1.getText());
JLabel lblD_2 = new JLabel(Main.textField_31.getText());
lblD_2.setBounds(450, 423, 80, 14);
frame.getContentPane().add(lblD_2);
sconto = Double.parseDouble(lblD_2.getText());
JLabel label_12 = new JLabel(Main.textField_32.getText());
label_12.setBounds(698, 423, 43, 14);
frame.getContentPane().add(label_12);
importo = (qt*num)-((num*sconto)/100);
JLabel label_3 = new JLabel(String.valueOf(importo));
label_3.setBounds(589, 423, 74, 14);
frame.getContentPane().add(label_3);
JLabel label_9 = new JLabel("------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
label_9.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_9.setBounds(29, 615, 728, 14);
frame.getContentPane().add(label_9);
JLabel lblImponibile = new JLabel("IMPONIBILE");
lblImponibile.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblImponibile.setBounds(86, 636, 122, 24);
frame.getContentPane().add(lblImponibile);
JLabel label_11 = new JLabel("------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
label_11.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_11.setBounds(29, 660, 728, 14);
frame.getContentPane().add(label_11);
JLabel lblAlIva = new JLabel("Al. Iva");
lblAlIva.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblAlIva.setBounds(244, 636, 43, 24);
frame.getContentPane().add(lblAlIva);
JLabel lblIva_1 = new JLabel("I.V.A.");
lblIva_1.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblIva_1.setBounds(345, 636, 49, 24);
frame.getContentPane().add(lblIva_1);
JLabel lblTotaleFattura = new JLabel("Totale Fattura");
lblTotaleFattura.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblTotaleFattura.setBounds(589, 636, 152, 24);
frame.getContentPane().add(lblTotaleFattura);
JLabel label_10 = new JLabel(Main.textField_30.getText());
label_10.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_10.setBounds(87, 685, 74, 14);
frame.getContentPane().add(label_10);
JLabel label_13 = new JLabel(Main.textField_32.getText());
label_13.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_13.setHorizontalAlignment(SwingConstants.CENTER);
label_13.setBounds(228, 685, 74, 14);
frame.getContentPane().add(label_13);
double iva = (num*Double.parseDouble(Main.textField_32.getText()))/100;
JLabel label_14 = new JLabel(String.valueOf(iva));
label_14.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_14.setBounds(345, 685, 59, 14);
frame.getContentPane().add(label_14);
JLabel label_15 = new JLabel("------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
label_15.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_15.setBounds(29, 737, 728, 14);
frame.getContentPane().add(label_15);
JLabel label_16 = new JLabel(Main.textField_30.getText());
label_16.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_16.setBounds(86, 754, 74, 14);
frame.getContentPane().add(label_16);
JLabel label_17 = new JLabel(String.valueOf(iva));
label_17.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_17.setBounds(345, 754, 59, 14);
frame.getContentPane().add(label_17);
double ivaa = importo+iva;
JLabel label_18 = new JLabel(String.valueOf(ivaa));
label_18.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_18.setBounds(633, 754, 59, 14);
frame.getContentPane().add(label_18);
JLabel label_19 = new JLabel(Main.textField_29.getText());
label_19.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_19.setBounds(469, 754, 87, 14);
frame.getContentPane().add(label_19);
JLabel label_20 = new JLabel("Appoggio: BANCO BPM");
label_20.setFont(new Font("Tahoma", Font.PLAIN, 12));
label_20.setBounds(29, 779, 333, 14);
frame.getContentPane().add(label_20);
JLabel lblAbicab = new JLabel("Abi/Cab: 0503434071");
lblAbicab.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblAbicab.setBounds(507, 779, 239, 14);
frame.getContentPane().add(lblAbicab);
JLabel lblBancarioCc = new JLabel("bancario c/c: 000000002741 CIN: X");
lblBancarioCc.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblBancarioCc.setBounds(29, 799, 365, 14);
frame.getContentPane().add(lblBancarioCc);
JLabel lblScadenze = new JLabel("Scadenze: "+dtf.format(localDate)+" "+ivaa);
lblScadenze.setFont(new Font("Tahoma", Font.PLAIN, 12));
lblScadenze.setBounds(29, 820, 712, 14);
frame.getContentPane().add(lblScadenze);
JLabel lblNewLabel_7 = new JLabel("Articolo");
lblNewLabel_7.setBounds(404, 640, 46, 14);
frame.getContentPane().add(lblNewLabel_7);
JLabel lblNewLabel_8 = new JLabel(Main.tipoiva);
lblNewLabel_8.setBounds(404, 685, 182, 14);
frame.getContentPane().add(lblNewLabel_8);
frame.setVisible(true);
PrinterJob pjob = PrinterJob.getPrinterJob();
PageFormat preformat = pjob.defaultPage();
preformat.setOrientation(PageFormat.PORTRAIT);
PageFormat postformat = pjob.pageDialog(preformat);
//If user does not hit cancel then print.
if (preformat != postformat) {
//Set print component
pjob.setPrintable(new Printer(frame), postformat);
if (pjob.printDialog()) {
try {
pjob.print();
} catch (PrinterException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public static class Printer implements Printable {
final Component comp;
public Printer(Component comp){
this.comp = comp;
}
@Override
public int print(java.awt.Graphics g, PageFormat format, int page_index) throws PrinterException {
if (page_index > 0) {
return Printable.NO_SUCH_PAGE;
}
// get the bounds of the component
Dimension dim = comp.getSize();
double cHeight = dim.getHeight();
double cWidth = dim.getWidth();
// get the bounds of the printable area
double pHeight = format.getImageableHeight();
double pWidth = format.getImageableWidth();
double pXStart = format.getImageableX();
double pYStart = format.getImageableY();
double xRatio = pWidth / cWidth;
double yRatio = pHeight / cHeight;
Graphics2D g2 = (Graphics2D) g;
g2.translate(pXStart, pYStart);
g2.scale(xRatio, yRatio);
comp.paint(g2);
return Printable.PAGE_EXISTS;
}
}
}
此代码的打印输出是：
正如您所看到的那样，它并没有填满页面，它给边界带来了巨大的差距。
提前谢谢！
0 个答案:
没有答案
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