生成一维码 条码

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.DefaultConfiguration;
import org.apache.avalon.framework.logger.ConsoleLogger;
import org.apache.avalon.framework.logger.Logger;
import org.krysalis.barcode4j.BarcodeGenerator;
import org.krysalis.barcode4j.BarcodeUtil;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
import org.krysalis.barcode4j.tools.MimeTypes;

public class Test1
{
	private transient Logger log = new ConsoleLogger(ConsoleLogger.LEVEL_INFO);
	
	public static void main(String[] args)
	{
		Test1 t =new Test1();
		t.getBarcode();
		System.out.println("success");
	}

	protected void getBarcode()
	{
		String format = MimeTypes.MIME_JPEG;// MimeTypes.MIME_JPEG

		String text = "ABCDE0123456789";

		ByteArrayOutputStream bout = null;
		try
		{
			BarcodeUtil util = BarcodeUtil.getInstance();

			Configuration cfg = buildCfg();
			BarcodeGenerator gen = util.createBarcodeGenerator(cfg);

			bout = new ByteArrayOutputStream(4096);

			int dpi = 300; // 分辨率
			int orientation = 0;

			BitmapCanvasProvider bitmap = new BitmapCanvasProvider(bout,
					format, dpi, BufferedImage.TYPE_BYTE_BINARY, false,
					orientation);

			gen.generateBarcode(bitmap, text);
			bitmap.finish();

			File file = new File("c://"+text+".jpg");
			FileOutputStream fos = new FileOutputStream(file);
			fos.write(bout.toByteArray(), 0, bout.size());

			// response.setContentType(format);
			// response.setContentLength(bout.size());
			// response.getOutputStream().write(bout.toByteArray());
			// response.getOutputStream().write(bout.toByteArray());
			// response.getOutputStream().flush();

		}
		catch (Exception e)
		{
			log.error("Error while generating barcode", e);

		}
		finally
		{
			if (bout != null)
			{
				try
				{
					bout.close();
				}
				catch (IOException e)
				{
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}

		}

	}

	/**
	 * Build an Avalon Configuration object from the request.
	 * 
	 * @return the newly built COnfiguration object
	 * @todo Change to bean API
	 */
	protected Configuration buildCfg()
	{
		DefaultConfiguration cfg = new DefaultConfiguration("barcode");
		// Get type

		String type = "code128";
		DefaultConfiguration child = new DefaultConfiguration(type);
		cfg.addChild(child);

//		DefaultConfiguration attr;
//		// height
//		String height = "100px";
//		attr = new DefaultConfiguration("height");
//		attr.setValue(height);
//		child.addChild(attr);
//
//		// width
//		String moduleWidth = "300px";
//		attr = new DefaultConfiguration("module-width");
//		attr.setValue(moduleWidth);
//		child.addChild(attr);

		return cfg;
	}

}