iText生成条形码与二维码

生成barcode的代码主要都是源于iText官网上提供的样例代码，不过使用中文标签的时候就会出现中文部分为空白的情况。

结合其他在iText中使用中文的情况，首先需要下载itext-asian.jar文件，然后加入到项目类路径。

其他部分详见代码

/**
*
* @author Chen Yi <njchenyi@gmail.com>
*/
import java.io.FileOutputStream;
import java.io.IOException;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
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.BaseFont;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfWriter;

public class Barcodes {

/** The resulting PDF. */
private static final String RESULT = "barcodes.pdf";

/**
* Generates a PDF file with different types of barcodes.
*
* @param args
*            no arguments needed here
* @throws DocumentException
* @throws IOException
*/
public static void main(String[] args) throws IOException,
DocumentException {
new Barcodes().createPdf(RESULT);
}

/**
* Creates a PDF document.
* @param filename the path to the new PDF document
* @throws    DocumentException
* @throws    IOException
*/
public void createPdf(String filename) throws IOException, DocumentException {
BaseFont bf = null;
Font fontChinese = null;
try {
//使用iTextAsian.jar中的字体
bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
//使用Windows系统字体(TrueType)
//            BaseFont.createFont("C:/WINDOWS/Fonts/SIMYOU.TTF", BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);
//使用资源字体(ClassPath)
//            BaseFont.createFont("/SIMYOU.TTF", BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);
fontChinese = new Font(bf, 12, Font.NORMAL);
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

// step 1
Document document = new Document(new Rectangle(340, 842));
// step 2
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3
document.open();
// step 4
PdfContentByte cb = writer.getDirectContent();

document.add(new Paragraph("陈轶 njchenyi@gmail.com",fontChinese));
// 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);

// step 5
document.close();
}
}