EasyUI+SpringBoot二维码查详情

/*** 二维码生成和读的工具类**/publicclassQrCodeUtil {
/*** 生成包含字符串信息的二维码图片* @param outputStream 文件输出流路径* @param content 二维码携带信息* @param qrCodeSize 二维码图片大小* @param imageFormat 二维码的格式* @throws WriterException * @throws IOException */publicstaticbooleancreateQrCode(StringfilePath, Stringcontent, intqrCodeSize, StringimageFormat) throwsWriterException, IOException{  
//设置二维码纠错级别ＭＡＰHashtable<EncodeHintType, ErrorCorrectionLevel>hintMap=newHashtable<EncodeHintType, ErrorCorrectionLevel>();  
hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);  // 矫错级别  QRCodeWriterqrCodeWriter=newQRCodeWriter();  
//创建比特矩阵(位矩阵)的QR码编码的字符串  BitMatrixbyteMatrix=qrCodeWriter.encode(content, BarcodeFormat.QR_CODE, qrCodeSize, qrCodeSize, hintMap);  
// 使BufferedImage勾画QRCode  (matrixWidth 是行二维码像素点)intmatrixWidth=byteMatrix.getWidth();  
BufferedImageimage=newBufferedImage(matrixWidth-200, matrixWidth-200, BufferedImage.TYPE_INT_RGB);  
image.createGraphics();  
Graphics2Dgraphics= (Graphics2D) image.getGraphics();  
graphics.setColor(Color.WHITE);  
graphics.fillRect(0, 0, matrixWidth, matrixWidth);  
// 使用比特矩阵画并保存图像graphics.setColor(Color.BLACK);  
for (inti=0; i<matrixWidth; i++){
for (intj=0; j<matrixWidth; j++){
if (byteMatrix.get(i, j)){
graphics.fillRect(i-100, j-100, 1, 1);  
                    }
                }
            }
OutputStreamoutputStream=newFileOutputStream(newFile(filePath));
returnImageIO.write(image, imageFormat, outputStream);  
    }  
/*** 读二维码并输出携带的信息*/publicstaticvoidreadQrCode(InputStreaminputStream) throwsIOException{  
//从输入流中获取字符串信息BufferedImageimage=ImageIO.read(inputStream);  
//将图像转换为二进制位图源LuminanceSourcesource=newBufferedImageLuminanceSource(image);  
BinaryBitmapbitmap=newBinaryBitmap(newHybridBinarizer(source));  
QRCodeReaderreader=newQRCodeReader();  
Resultresult=null ;  
try {
result=reader.decode(bitmap);  
        } catch (ReaderExceptione) {
e.printStackTrace();  
        }
System.out.println(result.getText());  
    }
/*** @param content* @return* @throws WriterException* @throws IOException*/publicstaticStringcreateTeachQRCode(Stringid) throwsWriterException, IOException {
StringqrCodeUrl="/qrcode/"+id+".jpg";
createQrCode("src\\main\\webapp\\qrcode\\"+id+".jpg",id,900,"JPEG");
returnqrCodeUrl;
    }
}

@RequestMapping(value="/saveInfo", method=RequestMethod.POST)
@ResponseBodypublicCodesaveInfo( Modelmodel ,Codecode , HttpSessionsession ) throwsException {
Stringrandoms=String.valueOf(UserNoStr.GenerateRandom(10));// 生成随机14位数字//本地生成文件夹Filefile=newFile(systemConfig.imagesPathNew+"imagesQrcode");
file.mkdirs();
Filefile1=newFile(systemConfig.imagesPathNew+"imagesBarcode");
file1.mkdirs();
// 二维码路径（本地图片路径）D:/image/imagesQrcode/6498766294.jpgStringqrcodeImgUrl=systemConfig.imagesPathNew+newBigInteger( randoms ) +".jpg";
//本地地址 StringlocalPath=systemConfig.ImagesPath+"/"+newBigInteger( randoms )+".jpg";
StringqrUrl=systemConfig.imagesurl+"/code/suyuanInfo/"+newBigInteger( randoms );
//System.out.println(qrUrl);// 生成二维码booleanis=QrCodeUtil.createQrCode(qrcodeImgUrl, qrUrl,900, "JPEG");
code.setImgUrl(localPath);
code.setSuyuan_code(randoms);
codeService.save(code);
model.addAttribute("suyuan_code", code.getSuyuan_code());
model.addAttribute("imgUrl", localPath);
model.addAttribute("code", code);
//return "addCode";returncode;
 }

@ConfigurationpublicclassWebAppConfigextendsWebMvcConfigurerAdapter {
@Value("${cbs.imagesPath}")
privateStringmImagesPath;
//访问图片方法@OverridepublicvoidaddResourceHandlers(ResourceHandlerRegistryregistry) {
if(mImagesPath.equals("") ||mImagesPath.equals("${cbs.imagesPath}")){
StringimagesPath=WebAppConfig.class.getClassLoader().getResource("").getPath();
if(imagesPath.indexOf(".jar")>0){
imagesPath=imagesPath.substring(0, imagesPath.indexOf(".jar"));
             }elseif(imagesPath.indexOf("classes")>0){
imagesPath="file:"+imagesPath.substring(0, imagesPath.indexOf("classes"));
             }
imagesPath=imagesPath.substring(0, imagesPath.lastIndexOf("/"))+"/image/";
mImagesPath=imagesPath;
         }
LoggerFactory.getLogger(WebAppConfig.class).info("imagesPath="+mImagesPath);
registry.addResourceHandler("/image/**").addResourceLocations(mImagesPath);
registry.addResourceHandler("/image/**").addResourceLocations("file:/d:/image/");//前台加载图片super.addResourceHandlers(registry);
     }
}