[JAVA_程式分享]利用itext來寫出BarCode

相信有很多的程式設計師大都會遇到產生BarCode條碼的問題，這邊就利用itext-5.2.0.jar來幫各位解答一下，程式碼很簡單，等等看到就知道嚕

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.UnsupportedEncodingException;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Image;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.Barcode;
import com.itextpdf.text.pdf.Barcode128;
import com.itextpdf.text.pdf.Barcode39;
import com.itextpdf.text.pdf.BarcodeCodabar;
import com.itextpdf.text.pdf.BarcodeDatamatrix;
import com.itextpdf.text.pdf.BarcodeEAN;
import com.itextpdf.text.pdf.BarcodeEANSUPP;
import com.itextpdf.text.pdf.BarcodeInter25;
import com.itextpdf.text.pdf.BarcodePDF417;
import com.itextpdf.text.pdf.BarcodePostnet;
import com.itextpdf.text.pdf.BarcodeQRCode;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfWriter;


public class ItextBarCode {

 public static void main(String[] args) throws FileNotFoundException, 
  DocumentException, UnsupportedEncodingException {
  
 String fileName = "C:/Users/"+ System.getenv("COMPUTERNAME")+"/Desktop/barcodes.pdf";
  
        Document document = new Document(new Rectangle(340, 842));
        
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        
        document.open();
        
        PdfContentByte cb = writer.getDirectContent();
 
        // EAN 13
        document.add(new Paragraph("Barcode EAN.UCC-13"));
        BarcodeEAN codeEAN = new BarcodeEAN();
        codeEAN.setCode("4512345678906");
        document.add(new Paragraph("default:"));
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
        codeEAN.setGuardBars(false);
        document.add(new Paragraph("without guard bars:"));
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
        codeEAN.setBaseline(-1f);
        codeEAN.setGuardBars(true);
        document.add(new Paragraph("text above:"));
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
        codeEAN.setBaseline(codeEAN.getSize());
 
        // UPC A
        document.add(new Paragraph("Barcode UCC-12 (UPC-A)"));
        codeEAN.setCodeType(Barcode.UPCA);
        codeEAN.setCode("785342304749");
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
 
        // EAN 8
        document.add(new Paragraph("Barcode EAN.UCC-8"));
        codeEAN.setCodeType(Barcode.EAN8);
        codeEAN.setBarHeight(codeEAN.getSize() * 1.5f);
        codeEAN.setCode("34569870");
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
 
        // UPC E
        document.add(new Paragraph("Barcode UPC-E"));
        codeEAN.setCodeType(Barcode.UPCE);
        codeEAN.setCode("03456781");
        document.add(codeEAN.createImageWithBarcode(cb, null, null));
        codeEAN.setBarHeight(codeEAN.getSize() * 3f);
 
        // EANSUPP
        document.add(new Paragraph("Bookland"));
        document.add(new Paragraph("ISBN 0-321-30474-8"));
        codeEAN.setCodeType(Barcode.EAN13);
        codeEAN.setCode("9781935182610");
        BarcodeEAN codeSUPP = new BarcodeEAN();
        codeSUPP.setCodeType(Barcode.SUPP5);
        codeSUPP.setCode("55999");
        codeSUPP.setBaseline(-2);
        BarcodeEANSUPP eanSupp = new BarcodeEANSUPP(codeEAN, codeSUPP);
        document.add(eanSupp.createImageWithBarcode(cb, null, BaseColor.BLUE));
 
        // CODE 128
        document.add(new Paragraph("Barcode 128"));
        Barcode128 code128 = new Barcode128();
        code128.setCode("0123456789 hello");
        document.add(code128.createImageWithBarcode(cb, null, null));
        code128.setCode("0123456789\uffffMy Raw Barcode (0 - 9)");
        code128.setCodeType(Barcode.CODE128_RAW);
        document.add(code128.createImageWithBarcode(cb, null, null));
 
        // Data for the barcode :
        String code402 = "24132399420058289";
        String code90 = "3700000050";
        String code421 = "422356";
        StringBuffer data = new StringBuffer(code402);
        data.append(Barcode128.FNC1);
        data.append(code90);
        data.append(Barcode128.FNC1);
        data.append(code421);
        Barcode128 shipBarCode = new Barcode128();
        shipBarCode.setX(0.75f);
        shipBarCode.setN(1.5f);
        shipBarCode.setSize(10f);
        shipBarCode.setTextAlignment(Element.ALIGN_CENTER);
        shipBarCode.setBaseline(10f);
        shipBarCode.setBarHeight(50f);
        shipBarCode.setCode(data.toString());
        document.add(shipBarCode.createImageWithBarcode(cb, BaseColor.BLACK,
                BaseColor.BLUE));
 
        // it is composed of 3 blocks whith AI 01, 3101 and 10
        Barcode128 uccEan128 = new Barcode128();
        uccEan128.setCodeType(Barcode.CODE128_UCC);
        uccEan128.setCode("(01)00000090311314(10)ABC123(15)060916");
        document.add(uccEan128.createImageWithBarcode(cb, BaseColor.BLUE,
                BaseColor.BLACK));
        uccEan128.setCode("0191234567890121310100035510ABC123");
        document.add(uccEan128.createImageWithBarcode(cb, BaseColor.BLUE,
                BaseColor.RED));
        uccEan128.setCode("(01)28880123456788");
        document.add(uccEan128.createImageWithBarcode(cb, BaseColor.BLUE,
                BaseColor.BLACK));
 
        // INTER25
        document.add(new Paragraph("Barcode Interleaved 2 of 5"));
        BarcodeInter25 code25 = new BarcodeInter25();
        code25.setGenerateChecksum(true);
        code25.setCode("41-1200076041-001");
        document.add(code25.createImageWithBarcode(cb, null, null));
        code25.setCode("411200076041001");
        document.add(code25.createImageWithBarcode(cb, null, null));
        code25.setCode("0611012345678");
        code25.setChecksumText(true);
        document.add(code25.createImageWithBarcode(cb, null, null));
 
        // POSTNET
        document.add(new Paragraph("Barcode Postnet"));
        BarcodePostnet codePost = new BarcodePostnet();
        document.add(new Paragraph("ZIP"));
        codePost.setCode("01234");
        document.add(codePost.createImageWithBarcode(cb, null, null));
        document.add(new Paragraph("ZIP+4"));
        codePost.setCode("012345678");
        document.add(codePost.createImageWithBarcode(cb, null, null));
        document.add(new Paragraph("ZIP+4 and dp"));
        codePost.setCode("01234567890");
        document.add(codePost.createImageWithBarcode(cb, null, null));
 
        document.add(new Paragraph("Barcode Planet"));
        BarcodePostnet codePlanet = new BarcodePostnet();
        codePlanet.setCode("01234567890");
        codePlanet.setCodeType(Barcode.PLANET);
        document.add(codePlanet.createImageWithBarcode(cb, null, null));
 
        // CODE 39
        document.add(new Paragraph("Barcode 3 of 9"));
        Barcode39 code39 = new Barcode39();
        code39.setCode("ITEXT IN ACTION");
        document.add(code39.createImageWithBarcode(cb, null, null));
 
        document.add(new Paragraph("Barcode 3 of 9 extended"));
        Barcode39 code39ext = new Barcode39();
        code39ext.setCode("iText in Action");
        code39ext.setStartStopText(false);
        code39ext.setExtended(true);
        document.add(code39ext.createImageWithBarcode(cb, null, null));
 
        // CODABAR
        document.add(new Paragraph("Codabar"));
        BarcodeCodabar codabar = new BarcodeCodabar();
        codabar.setCode("A123A");
        codabar.setStartStopText(true);
        document.add(codabar.createImageWithBarcode(cb, null, null));
 
        // PDF417
        document.add(new Paragraph("Barcode PDF417"));
        BarcodePDF417 pdf417 = new BarcodePDF417();
        String text = "Call me Ishmael. Some years ago--never mind how long "
            + "precisely --having little or no money in my purse, and nothing "
            + "particular to interest me on shore, I thought I would sail about "
            + "a little and see the watery part of the world.";
        pdf417.setText(text);
        Image img = pdf417.getImage();
        img.scalePercent(50, 50 * pdf417.getYHeight());
        document.add(img);
 
        document.add(new Paragraph("Barcode Datamatrix"));
        BarcodeDatamatrix datamatrix = new BarcodeDatamatrix();
        datamatrix.generate(text);
        img = datamatrix.createImage();
        document.add(img);
 
        document.add(new Paragraph("Barcode QRCode"));
        BarcodeQRCode qrcode = new BarcodeQRCode("Moby Dick by Herman Melville", 1, 1, null);
        img = qrcode.getImage();
        document.add(img);
 
        document.close();

 }
}

產生的結果

參考書籍 itext in Action