java(JBuilder)如何做报表并打印?__the_print_text_printed_page_

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java(JBuilder)如何做报表并打印?

来源: 互联网发布时间：2015-01-11

本文导语: 菜鸟提问,请回答...谢谢.... | 你是在Web上用Applet实现打印还是在Application里实现打印？下面这个例子是在Application里实现打印 package tcrm; import java.awt.*; import java.awt.font.*; import java.awt.geom.*; im...

菜鸟提问,请回答...谢谢....

你是在Web上用Applet实现打印还是在Application里实现打印？
下面这个例子是在Application里实现打印
package tcrm;

import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.print.*;
import java.text.*;
/**
* The PrintText application expands on the
* PrintExample application in that it images
* text on to the single page printed.
*/
public class PrintText implements Printable {
/**
* The text to be printed.
*/
private static final String mText ="这儿是你要打印的准备数据";
/**
* Our text in a form for which we can obtain a
* AttributedCharacterIterator.
*/
private static final AttributedString mStyledText = new AttributedString(mText);
/**
* Print a single page containing some sample text.
*/
static public void main(String args[]) {
/* Get the representation of the current printer and
* the current print job.
*/
PrinterJob printerJob = PrinterJob.getPrinterJob();
/* Build a book containing pairs of page painters (Printables)
* and PageFormats. This example has a single page containing
* text.
*/
Book book = new Book();
book.append(new PrintText(), new PageFormat());
/* Set the object to be printed (the Book) into the PrinterJob.
* Doing this before bringing up the print dialog allows the
* print dialog to correctly display the page range to be printed
* and to dissallow any print settings not appropriate for the
* pages to be printed.
*/
printerJob.setPageable(book);
/* Show the print dialog to the user. This is an optional step
* and need not be done if the application wants to perform
* 'quiet' printing. If the user cancels the print dialog then false
* is returned. If true is returned we go ahead and print.
*/
boolean doPrint = printerJob.printDialog();
if (doPrint) {
try {
printerJob.print();
} catch (PrinterException exception) {
System.err.println("Printing error: " + exception);
}
}
}
/**
* Print a page of text.
*/
public int print(Graphics g, PageFormat format, int pageIndex) {
/* We'll assume that Jav2D is available.
*/
Graphics2D g2d = (Graphics2D) g;
/* Move the origin from the corner of the Paper to the corner
* of the imageable area.
*/
g2d.translate(format.getImageableX(), format.getImageableY());
/* Set the text color.
*/
g2d.setPaint(Color.black);
/* Use a LineBreakMeasurer instance to break our text into
* lines that fit the imageable area of the page.
*/
Point2D.Float pen = new Point2D.Float();
   AttributedCharacterIterator charIterator = mStyledText.getIterator();
   LineBreakMeasurer measurer = new LineBreakMeasurer(charIterator, g2d.getFontRenderContext());
    float wrappingWidth = (float) format.getImageableWidth();
   while (measurer.getPosition()