条码支持二维码

ktg-common/pom.xml

@@ -144,6 +144,12 @@
             <version>2.0</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>3.3.3</version>
+        </dependency>
+
     </dependencies>
 
 </project>

ktg-common/src/main/java/com/ktg/common/constant/UserConstants.java

@@ -184,4 +184,12 @@ public class UserConstants
     public static  final String VIRTUAL_WS ="XBKKQ_VIRTUAL";
     public static  final String VIRTUAL_WA ="XBKKW_VIRTUAL";
 
+    /**
+     * 条码类型
+     */
+    public static final String QR_CODE = "QR_CODE";
+    public static final String EAN_CODE = "EAN_CODE";
+    public static final String UPC_CODE = "UPC_CODE";
+    public static final String CODE39_CODE = "CODE39_CODE";
+
 }

ktg-common/src/main/java/com/ktg/common/utils/barcode/BarcodeUtil.java

@@ -1,59 +1,102 @@
 package com.ktg.common.utils.barcode;
 
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import com.ktg.common.constant.UserConstants;
 import com.ktg.common.utils.StringUtils;
+import org.krysalis.barcode4j.impl.AbstractBarcodeBean;
 import org.krysalis.barcode4j.impl.code39.Code39Bean;
+import org.krysalis.barcode4j.impl.upcean.EAN13Bean;
+import org.krysalis.barcode4j.impl.upcean.UPCABean;
 import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
 import org.krysalis.barcode4j.tools.UnitConv;
 
-import java.io.ByteArrayOutputStream;
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.RoundRectangle2D;
 import java.awt.image.BufferedImage;
-import java.io.FileNotFoundException;
+import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.OutputStream;
+import java.util.Map;
-import java.io.File;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class BarcodeUtil {
-
+	private static final String CHARSET = "utf-8";
-    public static File generateFile(String msg, String path) {
+	private static final String FORMAT_NAME = "PNG";
+    // 二维码尺寸，长宽尺寸一致
+    private static final int QRCODE_SIZE = 300;
+    // 二维码内部logo的宽和高
+    private static final int WIDTH = 60;
+    private static final int HEIGHT = 60;
+    
+    public static File generateBarCode(String msg, String barCodeFormat, String path) {
         File file = new File(path);
         try {
-            generate(msg, new FileOutputStream(file));
+        	if(StringUtils.isEmpty(msg)){
-        } catch (FileNotFoundException e) {
+        		throw new RuntimeException("条码内容不能为空！");
-            throw new RuntimeException(e);
+        	}
-        }
+        	//检查父级目录是否存在，不存在先新建
+        	File parentFile = file.getParentFile();
+			if(!parentFile.exists()){
+				parentFile.mkdirs();
+        	}
+			/*
+			 * 生成条码
+			 */
+           if(UserConstants.QR_CODE.equals(barCodeFormat)){
+        	   //生成二维码
+        	   generateQRCode(msg, null, file.getAbsolutePath(), false);
+           }else{
+        	   //生成一维码
+        	   generateLineCode(msg, barCodeFormat, file.getAbsolutePath());
+           }
+        }catch (Exception e) {
+        	 throw new RuntimeException("生成条码发生错误："+e.getMessage());
+		}
         return file;
     }
-
+    /**
-    public static byte[] generate(String msg) {
+     * 生成一维条形码
-        ByteArrayOutputStream ous = new ByteArrayOutputStream();
+     * @param msg 条形码的内容
-        generate(msg, ous);
+     * @param barCodeFormat 条形码格式 see {@link UserConstants}
-        return ous.toByteArray();
+     * @param destFilePath  条形码存储的路径
-    }
+     * @throws Exception 
-
+     */
-
+    public static void generateLineCode(String msg,String barCodeFormat,String destFilePath) throws Exception {
-    public static void generate(String msg, OutputStream ous) {
+    	AbstractBarcodeBean bean = null;
-        if (StringUtils.isEmpty(msg) || ous == null) {
+    	if(UserConstants.EAN_CODE.equals(barCodeFormat)){
-            return;
+    		bean = new EAN13Bean();
-        }
+    	}else if(UserConstants.CODE39_CODE.equals(barCodeFormat)){
-
+    		bean = new Code39Bean();
-        Code39Bean bean = new Code39Bean();
+    	}else if(UserConstants.UPC_CODE.equals(barCodeFormat)){
-
+    		bean = new UPCABean();
+    	}else{
+    		throw new Exception("不支持的条码类型！");
+    	}
         // 精细度
         final int dpi = 150;
-        // module宽度
+		if (bean instanceof Code39Bean) {
-        final double moduleWidth = UnitConv.in2mm(1.0f / dpi);
+			Code39Bean codeBean = (Code39Bean) bean;
+			// module宽度
+			final double moduleWidth = UnitConv.in2mm(1.0f / dpi);
 
-        // 配置对象
+			// 配置对象
-        bean.setModuleWidth(moduleWidth);
+			bean.setModuleWidth(moduleWidth);
-        bean.setWideFactor(3);
+			codeBean.setWideFactor(3);
-        bean.doQuietZone(false);
+			bean.doQuietZone(false);
+		}
 
         String format = "image/png";
         try {
 
             // 输出到流
-            BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format, dpi,
+            BitmapCanvasProvider canvas = new BitmapCanvasProvider(new FileOutputStream(destFilePath), format, dpi,
                     BufferedImage.TYPE_BYTE_BINARY, false, 0);
 
             // 生成条形码
@@ -65,4 +108,110 @@ public class BarcodeUtil {
             throw new RuntimeException(e);
         }
     }
+    /**
+     * 生成带logo二维码，并保存到磁盘
+     *
+     * @param content      二维码的内容
+     * @param imgPath      二维码内部插入的图片路径，如果不需要可以传空
+     * @param destFilePath     整个二维码存储的路径
+     * @param needCompress 二维码内部插入的图片是否需要压缩的标识
+     * @throws Exception 异常
+     */
+    public static void generateQRCode(String content, String imgPath, String destFilePath, boolean needCompress) throws Exception {
+        BufferedImage image = createQrCode(content, imgPath, needCompress);
+        ImageIO.write(image, FORMAT_NAME, new File(destFilePath));
+    }
+
+    /**
+     * 生成二维码图片
+     *
+     * @param content      二维码内容
+     * @param imagePath    二维码内部图片路径,如果不需要可以传空
+     * @param needCompress 二维码内部图片是否需要压缩标识
+     * @return 二维码图片
+     * @throws WriterException 异常
+     */
+    private static BufferedImage createQrCode(String content,String imagePath,boolean needCompress) throws WriterException, IOException {
+    	/**
+         * EncodeHintType 编码提示类型 枚举类型:
+         * CHARACTER_SET: 设置字符编码类型 "UTF-8" QR_CODE类型默认的编码格式 "ISO-8859-1"
+         * MARGIN: 设置二维码边距，单位像素，值越小，二维码距离四周越近
+         * ERROR_CORRECTION: 设置误差校正
+         *  ErrorCorrectionLevel：误差校正等级，L = ~7% correction、M = ~15% correction、Q = ~25% correction、H = ~30% correction
+         *    不设置时，默认为 L 等级，等级不一样，生成的图案不同，但扫描的结果是一样的
+         */
+        Map<EncodeHintType, Object> hints = new ConcurrentHashMap<>(3);
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+        hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
+        hints.put(EncodeHintType.MARGIN, 1);
+        //加密生成二维码的矩阵对象 二维的0 1 然后根据特定的值选择属性
+        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints);
+        int width = bitMatrix.getWidth();
+        int height = bitMatrix.getHeight();
+        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        for (int i = 0; i < width; i++) {
+            for (int j = 0; j < height; j++) {
+                //设置二维码的黑色0xFF000000 和白色0xFFFFFFFF
+                image.setRGB(i, j, bitMatrix.get(i, j) ? 0xFF000000 : 0xFFFFFFFF);
+            }
+        }
+        if (StringUtils.isBlank(imagePath)) {
+            return image;
+        }
+        //插入小图标 logo
+        insertImage(image, imagePath, needCompress);
+        return image;
+    }
+    /**
+     * 将logo插入二维码中间
+     *
+     * @param source       生成的二位码存储对象
+     * @param imagePath    二维码内部图片的路径
+     * 一般的业务场景会把插入的小logo放到oss生成url
+     * @param needCompress 二维码内部图片是否需要压缩
+     * @throws IOException 异常
+     */
+    private static void insertImage(BufferedImage source, String imagePath, boolean needCompress) throws IOException {
+        File file = new File(imagePath);
+        if (!file.exists()) {
+            //可以自定义抛出异常
+        	 throw new RuntimeException("文件路径不存在:" + imagePath);
+        }
+        //这里修改ImageIO.read() 内可以接受Url InputStream File ImageInputStream
+        Image src  = ImageIO.read(file);
+        int width = src.getWidth(null);
+        int height = src.getHeight(null);
+        //是否压缩
+        if (needCompress) {
+            if (width > WIDTH) {
+                width = WIDTH;
+            }
+            if (height > HEIGHT) {
+                height = HEIGHT;
+            }
+            Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH);
+            BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+            Graphics g = tag.getGraphics();
+            g.drawImage(image, 0, 0, null);
+            g.dispose();
+            src = image;
+        }
+        Graphics2D graphics = source.createGraphics();
+        int x = (QRCODE_SIZE - width) / 2;
+        int y = (QRCODE_SIZE - height) / 2;
+        graphics.drawImage(src,x,y,width,height,null);
+        Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
+        graphics.setStroke(new BasicStroke(3f));
+        graphics.draw(shape);
+        graphics.dispose();
+    }
+    
+    
+    public static void main(String[] args) {
+    	String msg="item12345678";
+    	String EANmsg="012345678901";
+    	String UPCmsg="12345678901";
+    	String path = "D:/test/barcode/"+UUID.randomUUID()+".png";  
+    	generateBarCode(msg, UserConstants.QR_CODE, path);
+	}
 }

ktg-mes/src/main/java/com/ktg/mes/wm/service/impl/WmBarcodeServiceImpl.java

@@ -116,7 +116,8 @@ public class WmBarcodeServiceImpl implements IWmBarcodeService
 
     @Override
     public String generateBarcode(WmBarcode wmBarcode) {
-        File buf = BarcodeUtil.generateFile(wmBarcode.getBarcodeContent(),"./tmp/barcode/"+wmBarcode.getBarcodeContent()+".png");
+        File buf = BarcodeUtil.generateBarCode(wmBarcode.getBarcodeContent(), wmBarcode.getBarcodeFormart(),
+                "./tmp/barcode/" + wmBarcode.getBarcodeContent() + ".png");
         MultipartFile file = FileUtils.getMultipartFile(buf);
         String fileName = null;
         try {
@@ -124,6 +125,11 @@ public class WmBarcodeServiceImpl implements IWmBarcodeService
         } catch (IOException e) {
             e.printStackTrace();
             return null;
+        }finally{
+            //删除掉临时文件
+            if(buf!=null && buf.exists()){
+                FileUtils.deleteFile(buf.getAbsolutePath());
+            }
         }
         return fileName;
     }