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| | | import com.google.zxing.MultiFormatWriter; |
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| | | import com.google.zxing.WriterException; |
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| | | import com.google.zxing.common.BitMatrix; |
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| | | import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; |
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| | | import com.product.administration.config.CmnConst; |
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| | | import com.product.administration.config.SystemCode; |
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| | | import com.product.administration.service.ide.IConferenceManagerService; |
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| | | import com.product.core.dao.BaseDao; |
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| | | import com.product.core.entity.DataTableEntity; |
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| | | import com.product.core.entity.FieldSetEntity; |
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| | | import com.product.core.entity.RequestParameterEntity; |
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| | | import com.product.core.exception.BaseException; |
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| | | import com.product.core.permission.PermissionService; |
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| | | import com.product.core.service.support.AbstractBaseService; |
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| | | import com.product.core.service.support.QueryFilterService; |
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| | | import com.product.core.spring.context.SpringMVCContextHolder; |
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| | | import com.product.core.transfer.Transactional; |
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| | | import com.product.core.util.QuickResponUtil; |
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| | | import com.product.core.websocket.service.WebsocketMesssageServiceThread; |
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| | | import com.product.module.sys.entity.SystemUser; |
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| | | import com.product.util.BaseUtil; |
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| | | } |
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| | | |
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| | | @Override |
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| | | public String getQrCode(FieldSetEntity fse) throws BaseException, WriterException, IOException { |
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| | | String uuid="96f161b4-6360-40ba-8dc1-72bb39d56be4"; |
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| | | int BLACK = 0xFF000000; |
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| | | int WHITE = 0xFFFFFFFF; |
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| | | Date date = new Date(); |
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| | | String text = "http://127.0.0.1:9998/lx/api/conference/get_QrCode_Info/v1?uuid=" + uuid+"&date="+date; |
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| | | String path = "D:/QRCode"; // 图片生成的位置 |
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| | | int width = 400; |
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| | | int height = 400; |
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| | | // 二维码图片格式 |
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| | | String format = "jpg"; |
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| | | // 设置编码，防止中文乱码 |
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| | | Hashtable<EncodeHintType, Object> ht = new Hashtable<EncodeHintType, Object>(); |
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| | | ht.put(EncodeHintType.CHARACTER_SET, "UTF-8"); |
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| | | // 设置二维码参数(编码内容，编码类型，图片宽度，图片高度,格式) |
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| | | BitMatrix bitMatrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height, ht); |
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| | | // 生成二维码(定义二维码输出服务器路径) |
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| | | File outputFile = new File(path); |
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| | | if (!outputFile.exists()) { |
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| | | // 创建文件夹 |
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| | | outputFile.mkdir(); |
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| | | }else { |
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| | | outputFile.delete(); |
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| | | outputFile.mkdir(); |
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| | | public BitMatrix getQrCode(String content) throws BaseException, WriterException, IOException { |
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| | | |
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| | | //二维码的宽高 |
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| | | int width = 200; |
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| | | int height = 200; |
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| | | |
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| | | //其他参数，如字符集编码 |
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| | | Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>(); |
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| | | hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); |
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| | | //容错级别为H |
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| | | hints.put(EncodeHintType.ERROR_CORRECTION , ErrorCorrectionLevel.H); |
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| | | //白边的宽度，可取0~4 |
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| | | hints.put(EncodeHintType.MARGIN , 0); |
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| | | |
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| | | BitMatrix bitMatrix = null; |
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| | | try { |
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| | | //生成矩阵，因为我的业务场景传来的是编码之后的URL，所以先解码 |
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| | | bitMatrix = new MultiFormatWriter().encode(content, |
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| | | BarcodeFormat.QR_CODE, width, height, hints); |
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| | | |
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| | | } catch (WriterException e) { |
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| | | e.printStackTrace(); |
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| | | } |
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| | | |
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| | | int b_width = bitMatrix.getWidth(); |
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| | | int b_height = bitMatrix.getHeight(); |
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| | | // 建立图像缓冲器 |
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| | | BufferedImage image = new BufferedImage(b_width, b_height, BufferedImage.TYPE_3BYTE_BGR); |
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| | | for (int x = 0; x < b_width; x++) { |
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| | | for (int y = 0; y < b_height; y++) { |
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| | | image.setRGB(x, y, bitMatrix.get(x, y) ? BLACK : WHITE); |
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| | | } |
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| | | } |
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| | | // 生成二维码 |
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| | | ImageIO.write(image, format, new File(path + "/code." + format)); |
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| | | // 二维码的名称 |
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| | | // code.jpg |
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| | | |
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| | | return path + "/code." + format; |
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| | | return bitMatrix; |
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| | | } |
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