barcode4j使用方法

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1、Barcode4j使用方法1->usingtheJavaBeanAPIpublicstaticvoidgenerateCode128Barcode(Filefile,Stringcode){Code128Beanbean=newCode128Bean();finalintdpi=150;//barcodebean.setModuleWidth(0.21);bean.setHeight(15);bean.doQuietZone(true);bean.setQuietZone(2);//两边空白区//human-readablebean.se

2、tFontName("Helvetica");bean.setFontSize(3);bean.setMsgPosition(HumanReadablePlacement.HRP_BOTTOM);OutputStreamout=null;try{out=newFileOutputStream(file);BitmapCanvasProvidercanvas=newBitmapCanvasProvider(out,"image/jpeg",dpi,BufferedImage.TYPE_BYTE_BINARY,true,0);bean.gen

3、erateBarcode(canvas,code);canvas.finish();}catch(Exceptione){e.printStackTrace();}finally{try{if(out!=null)out.close();}catch(IOExceptione){e.printStackTrace();}}}publicstaticvoidgenerateCode39Barcode(intmode,Filefile,Stringcode){Code39Beanbean=newCode39Bean();//DotPerInc

4、h每英寸所打印的点数或线数，用来表示打印机打印分辨率。finalintdpi=150;//bean.setModuleWidth(UnitConv.in2mm(1.0f/dpi));bean.setModuleWidth(0.2);bean.setHeight(15);bean.setWideFactor(3);bean.doQuietZone(true);OutputStreamout=null;try{out=newFileOutputStream(file);if(mode==0){BitmapCanvasProvidercanva

5、s=newBitmapCanvasProvider(out,"image/jpeg",dpi,BufferedImage.TYPE_BYTE_GRAY,false,0);bean.generateBarcode(canvas,code);canvas.finish();}else{BitmapCanvasProvidercanvas=newBitmapCanvasProvider(dpi,BufferedImage.TYPE_BYTE_GRAY,true,0);bean.generateBarcode(canvas,code);canva

6、s.finish();BufferedImagebarcodeImage=canvas.getBufferedImage();ImageIO.write(barcodeImage,"jpg",out);}}catch(Exceptione){e.printStackTrace();}finally{try{if(out!=null)out.close();}catch(IOExceptione){e.printStackTrace();}}}2->useXMLAPIcode39.xml

7、"UTF-8"?>15mm0.19mm2.51mw10mwignorebottom

8、>Helvetica8ptfalse