java生成二维码并且给二维码添加logo
java生成二维码,具体代码如下所示:
packagecom.bus.wx.action.code;
importjava.awt.BasicStroke;
importjava.awt.Color;
importjava.awt.Graphics2D;
importjava.awt.RenderingHints;
importjava.awt.geom.RoundRectangle2D;
importjava.awt.image.BufferedImage;
importjava.io.ByteArrayInputStream;
importjava.io.ByteArrayOutputStream;
importjava.io.File;
importjava.io.IOException;
importjava.io.InputStream;
importjava.util.HashMap;
importjava.util.Hashtable;
importjava.util.Map;
importjavax.imageio.ImageIO;
importjavax.servlet.ServletOutputStream;
importorg.springframework.context.annotation.Scope;
importorg.springframework.stereotype.Controller;
importorg.springframework.web.bind.annotation.PathVariable;
importorg.springframework.web.bind.annotation.RequestMapping;
importorg.springframework.web.bind.annotation.RequestMethod;
importsun.misc.BASE64Decoder;
importsun.misc.BASE64Encoder;
importcom.bus.plugin.wx.action.WxAction;
importcom.bus.wx.util.Limits;
importcom.google.zxing.BarcodeFormat;
importcom.google.zxing.EncodeHintType;
importcom.google.zxing.MultiFormatWriter;
importcom.google.zxing.client.j2se.MatrixToImageWriter;
importcom.google.zxing.common.BitMatrix;
importcom.google.zxing.qrcode.QRCodeWriter;
importcom.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
importcom.lys.sys.log.Log;
/**
*条形码、二维码
*@authorhwj
*
*/
@Scope(value="prototype")
@Controller("Bar_Qr_Code_Action")
@RequestMapping(value="plug/wx/wwz/{bcflag}/barqrcode")
publicclassBar_Qr_Code_ActionextendsWxAction{
privatestaticfinalintLogoPart=4;
privatestaticfinalintBLACK=0xFF000000;//用于设置图案的颜色
privatestaticfinalintWHITE=0xFFFFFFFF;//用于背景色
Stringformat="png";
publicstaticBufferedImagetoBufferedImage(BitMatrixmatrix){
intwidth=matrix.getWidth();
intheight=matrix.getHeight();
BufferedImageimage=newBufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
for(intx=0;xhints=newHashtable();
hints.put(EncodeHintType.ERROR_CORRECTION,ErrorCorrectionLevel.H);
hints.put(EncodeHintType.CHARACTER_SET,"utf-8");
hints.put(EncodeHintType.MARGIN,1);//设置二维码边的空度,非负数
BitMatrixbitMatrix=newMultiFormatWriter().encode(url,//要编码的内容
BarcodeFormat.QR_CODE,
width,//条形码的宽度
height,//条形码的高度
hints);
//BitMatrixm=writer.encode(url,BarcodeFormat.QR_CODE,height,width);
BufferedImageimage=toBufferedImage(bitMatrix);
image=LogoMatrix(image);
if(!ImageIO.write(image,format,stream)){
thrownewIOException("Couldnotwriteanimageofformat"+format);
}
}catch(Exceptione){
Log.in.info(e.getMessage());
}finally{
if(stream!=null){
try{
stream.flush();
stream.close();
}catch(IOExceptione){
Log.in.info(e.getMessage());
}
}
}
}
}
}
总结
以上所述是小编给大家介绍的java生成二维码并且给二维码添加logo,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对毛票票网站的支持!
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