在Java中调用打印接口可以通过以下几种方法:
使用Java打印API
import java.awt.print.PrinterJob;public class PrinterTest {public static void main(String[] args) {PrinterJob printerJob = PrinterJob.getPrinterJob();printerJob.setPrintable(new Printable() {@Overridepublic int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {if (pageIndex > 0) {return NO_SUCH_PAGE;}graphics.drawString("Hello, World!", 100, 100);return PAGE_EXISTS;}});if (printerJob.printDialog()) {try {printerJob.print();} catch (PrinterException e) {e.printStackTrace();}}}}
使用AWT和Swing
import java.awt.print.PrinterJob;import javax.print.attribute.HashPrintRequestAttributeSet;import javax.print.attribute.PrintRequestAttributeSet;import javax.print.attribute.standard.PrinterName;public class PrintTemplateExample {public static void main(String[] args) {PrinterJob printerJob = PrinterJob.getPrinterJob();PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();attributes.add(new PrinterName("Printer Name", null));if (printerJob.printDialog(attributes)) {try {printerJob.print();} catch (Exception e) {e.printStackTrace();}}}}
使用第三方库 (例如Apache PDFBox或iText):
// 使用Apache PDFBox打印PDF文件import org.apache.pdfbox.pdmodel.PDDocument;import org.apache.pdfbox.pdmodel.PDPage;import org.apache.pdfbox.pdmodel.PDPageContentStream;import org.apache.pdfbox.pdmodel.common.PDRectangle;import org.apache.pdfbox.pdmodel.font.PDType1Font;import java.io.File;public class PDFBoxExample {public static void main(String[] args) {try {PDDocument document = new PDDocument();PDPage page = new PDPage(PDRectangle.A4);document.addPage(page);PDPageContentStream contentStream = new PDPageContentStream(document, page);contentStream.setFont(PDType1Font.HELVETICA, 12);contentStream.beginText();contentStream.newLineAtOffset(100, 720);contentStream.showText("Hello, World!");contentStream.endText();contentStream.close();document.save("output.pdf");document.close();} catch (Exception e) {e.printStackTrace();}}}
打印图片
import javax.print.attribute.HashPrintRequestAttributeSet;import javax.print.attribute.PrintRequestAttributeSet;import javax.print.attribute.standard.MediaSizeName;import javax.print.attribute.standard.OrientationRequested;import java.awt.print.PrinterJob;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;public class PrintImage {public static void main(String[] args) {String imagePath = "path/to/your/image.jpg";try {PrinterJob printerJob = PrinterJob.getPrinterJob();PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();attributes.add(MediaSizeName.ISO_A4);attributes.add(OrientationRequested.PORTRAIT);if (printerJob.printDialog(attributes)) {try {FileInputStream fis = new FileInputStream(new File(imagePath));printerJob.setPrintable(new ImagePrintable(fis));printerJob.print();fis.close();} catch (Exception e) {e.printStackTrace();}}} catch (Exception e) {e.printStackTrace();}}}
以上示例展示了如何使用Java打印API、
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