二維條形碼實例

1、ackageBarCode;importjava.awt.image.Bufferedlmage;importjava.io.File;importjava.io.IOException;importjava.io.OutputStream;importjava.util.Date;importjava.util.Random;importorg.apache.avalon.framework.configuration.Configuration;import org.apache.avalon.framework.configuration.ConfigurationException;i

2、mport org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;import org.krysalis.barcode4j.BarcodeException;import org.krysalis.barcode4j.BarcodeGenerator;import org.krysalis.barcode4j.BarcodeUtil;import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;importorg.xml.sax.SAXEx

3、ception;public class MyBarcodeGenerator /*function:通過指定的XML生成條形碼的配置*/public Configuration configurationGenerator(String xmlFile) throws ConfigurationException, SAXException, IOExceptionDefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();Configuration cfg = builder.buildFromFile(n

4、ew File(xmlFile);returncfg;/*function:通過CancasProvider指定輸出格式為圖片，然后生成條形碼*/publicImageNameBarcodeGenerator(Configurationcfg,Stringmsg)throwsConfigurationException, BarcodeException, IOException, SAXExceptionBarcodeGenerator gen = BarcodeUtil.getInstance().createBarcodeGenerator(cfg);ImageNameimageName

5、=new ImageName();Random rand=new Random();floatrandFloat=rand.nextFloat();String randString=String.valueOf(randFloat);long time=new Date().getTime();imageName.setImageName( E:+randString+time+.png);OutputStream out = new java.io.FileOutputStream(new File(imageName.getImageName(); BitmapCanvasProvide

6、r provider = new BitmapCanvasProvider(out, image/x-png, 300, BufferedImage.TYPE_BYTE_GRAYtrue, 0);gen.generateBarcode(provider, msg);provider.finish();returnimageName;/*function: ireport所需要的工廠類*/packageBarCode;importjava.io.IOException;importjava.util.ArrayList;importjava.util.Collection;importjava.

7、util.List;importorg.apache.avalon.framework.configuration.Configuration;import org.apache.avalon.framework.configuration.ConfigurationException; importorg.junit.Test;import org.krysalis.barcode4j.BarcodeException;importorg.xml.sax.SAXException;public class ImageNameFactory Test public static Collect

8、iongetBeanCollection() throws ConfigurationException,SAXException, IOException, BarcodeExceptionList data = newArrayList();/Calendar cal = Calendar.getInstance();/String msg=TBEA +cal.getTime().toString();/數(shù)據(jù)庫操作GoodsDaogoodsDao=newGoodsDao();int id=goodsDao.findTopId();String msg=goodsDao.findCmhByI

9、d(id);MyBarcodeGeneratormbg=newMyBarcodeGenerator();Configuration cfg=mbg.configurationGenerator(barcode-cfg.xml); ImageNameimageName=mbg.BarcodeGenerator(cfg, msg);data.add(imageName);return data;packageBarCode;importjava.io.IOException;importjava.util.Date;importjava.util.Random;importorg.apache.a

10、valon.framework.configuration.Configuration;import org.apache.avalon.framework.configuration.ConfigurationException;import org.krysalis.barcode4j.BarcodeException;import org.krysalis.barcode4j.BarcodeGenerator;import org.krysalis.barcode4j.BarcodeUtil;importorg.xml.sax.SAXException;/* function:為了能在i

11、report中得到數(shù)據(jù)源，特意寫的pojo*/public class ImageName private String imageName;public String getImageName() returnimageName;public void setImageName(String imageName)(this.imageName=imageName;/*function:datamatrix 條形碼的配置*/0.352777mm1mwforce-none/*function:數(shù)據(jù)庫的操作*/packagedao;importjava.math.BigDecimal;import

12、java.util.List;import model.Goods010t;importorg.hibernate.Query;importorg.hibernate.SQLQuery;importorg.hibernate.Session;importorg.hibernate.SessionFactory;importorg.hibernate.Transaction;importorg.hibernate.cfg.Configuration;importorg.hibernate.type.IntegerType;importorg.hibernate.type.StringType;i

13、mportorg.junit.Test;import org.springframework.orm.hibernate3.support.HibernateDaoSupport;public class GoodsDao extends HibernateDaoSupport/Test public String findCmhById(int id) Session session = HibernateUtil.getSessionFactory().openSession(); session.beginTransaction(); /Transaction tx=session.be

14、ginTransaction(); /System.out.println(session); /getHibernateTemplate().getSessionFactory(); /Session session=getHibernateTemplate().getSessionFactory().getCurrentSession(); Stringsql=selectisnull(F21,)+isnull(F31,)+isnull(F41,)+isnull(F51,)+isnull(F91,)+isnull(F95,) cmh from Goods010t + where id=+i

15、d+; SQLQuery query=session.createSQLQuery (sql).addScalar(cmh, new StringType(); List list=query.list(); String msg=(list.iterator().next().toString(); /mit(); session.beginTransaction().commit(); System.out.println(msg); returnmsg; /Test publicintfindTopId()Session session = HibernateUtil.getSessio

16、nFactory().openSession(); session.beginTransaction(); String sql=select top 1 id from Goods010t order by id desc; SQLQuery query=session.createSQLQuery (sql).addScalar(id, new IntegerType(); List list=query.list(); Integer id=(Integer) list.iterator().next(); session.beginTransaction().commit(); Sys

17、tem.out.println(id); return id;packagedao;importorg.hibernate.SessionFactory;importorg.hibernate.cfg.Configuration;public class HibernateUtil private static final SessionFactorysessionFactory = buildSessionFactory();private static SessionFactorybuildSessionFactory() try return new Configuration().co

18、nfigure().buildSessionFactory();catch (Throwable ex) System.err.println(Initial SessionFactory creation failed. + ex);throw new ExceptionInInitializerError(ex);public static SessionFactorygetSessionFactory() returnsessionFactory;Hibernate的配置文件和映射文件以及表實體pojo省略將以上代碼編譯成class打包成jar，放入ireport的lib文件夾中，jav

19、abean的工廠類為 ImageNameFactory。xml放在ireport的根目錄下。之后就可以在ireport中新建imageName 字段并使用了。imageName保存的是二維條形碼的路徑設置如下圖：名稱 ImageHame工廠類，、能制造該集合的類BarCode. ImageirameFa-ctory./ JavsTa&n 集合? Java! e an 數(shù)組 獲取集合或數(shù)蛆的靜態(tài)方法getBeaiiCoLlecti on口采用字段說明測試保存收消效果如下圖:Qrcode的生成packageMyCode;importjava.awt.Color;import java.awt.Gr

20、aphics2D;importjava.awt.image.Bufferedlmage;importjava.io.File;importjava.util.Date;importjava.util.Random;importjavax.imageio.ImagelO;importorg.junit.Test;importcode.ImageName;importdao.GoodsDao;importReport.ReportGenerator;public class MyQrcode Testpublic String makeqrcode() BufferedImage bi = new

21、 BufferedImage(140, 140,BufferedImage.TYPE_INT_RGB);ImageNameimageName=new ImageName();String imageName1 = null;try com.swetake.util.QrcodetestQrcode = new com.swetake.util.Qrcode();testQrcode.setQrcodeErrorCorrect(M);testQrcode.setQrcodeEncodeMode(B);testQrcode.setQrcodeVersion(7);/*從數(shù)據(jù)庫中取值*/GoodsDaogoodsDao=new GoodsDao();int id=goodsDao.findTopId();String str=goodsDao.findCmhById(id);System.out.println(str is +str);byte d = str.getBytes(Utf-8);Graphics2D g = (Graphics2D) bi.getGraphics();g.setBackground(Color.WHITE);g.clearRect