设备二维码生成功能

cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/param/QrParam.java

@@ -0,0 +1,19 @@
+package com.njcn.csdevice.pojo.param;
+
+import lombok.Data;
+
+/**
+ * 类的介绍：
+ *
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/8/21 16:00
+ */
+@Data
+public class QrParam {
+
+    private String type = "NDID";
+
+    private String data;
+
+}

cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/po/CsEquipmentDeliveryPO.java

@@ -138,5 +138,10 @@ public class CsEquipmentDeliveryPO extends BaseEntity {
     @TableField(value = "module_number")
     private Integer moduleNumber;
 
+    /**
+     * 二维码文件路径
+     */
+    @TableField(value = "qr_path")
+    private String qrPath;
 
 }

cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/vo/CsEquipmentDeliveryVO.java

@@ -114,4 +114,7 @@ public class CsEquipmentDeliveryVO extends BaseEntity {
 
     @ApiModelProperty(value="设备软件信息")
     private String softinfoId ;
+
+    @ApiModelProperty(value="二维码路径")
+    private String qrPath ;
 }

cs-device/cs-device-boot/pom.xml

@@ -95,6 +95,20 @@
           <version>1.0.0</version>
           <scope>compile</scope>
       </dependency>
+
+      <!-- zxing生成二维码 -->
+      <dependency>
+        <groupId>com.google.zxing</groupId>
+        <artifactId>core</artifactId>
+        <version>3.3.3</version>
+      </dependency>
+
+      <dependency>
+        <groupId>com.google.zxing</groupId>
+        <artifactId>javase</artifactId>
+        <version>3.3.3</version>
+      </dependency>
+
   </dependencies>
 
   <build>

cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsEquipmentDeliveryServiceImpl.java

@@ -2,6 +2,7 @@ package com.njcn.csdevice.service.impl;
 
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import com.alibaba.fastjson.JSONObject;
 import com.alibaba.nacos.client.naming.utils.CollectionUtils;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
@@ -13,16 +14,16 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.njcn.common.pojo.exception.BusinessException;
 import com.njcn.csdevice.enums.AlgorithmResponseEnum;
 import com.njcn.csdevice.mapper.CsEquipmentDeliveryMapper;
-import com.njcn.csdevice.pojo.param.CsEquipmentDeliveryAddParm;
+import com.njcn.csdevice.pojo.param.*;
-import com.njcn.csdevice.pojo.param.CsEquipmentDeliveryAuditParm;
-import com.njcn.csdevice.pojo.param.CsEquipmentDeliveryQueryParm;
-import com.njcn.csdevice.pojo.param.ProjectEquipmentQueryParm;
 import com.njcn.csdevice.pojo.po.*;
 import com.njcn.csdevice.pojo.vo.CsEquipmentDeliveryVO;
 import com.njcn.csdevice.pojo.vo.DeviceManagerVO;
 import com.njcn.csdevice.pojo.vo.ProjectEquipmentVO;
 import com.njcn.csdevice.service.*;
+import com.njcn.csdevice.util.QRCodeUtil;
 import com.njcn.db.constant.DbConstant;
+import com.njcn.oss.constant.OssPath;
+import com.njcn.oss.utils.FileStorageUtil;
 import com.njcn.system.api.DicDataFeignClient;
 import com.njcn.system.enums.DicDataEnum;
 import com.njcn.web.factory.PageFactory;
@@ -32,6 +33,12 @@ import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.*;
 
 /**
@@ -61,9 +68,11 @@ public class CsEquipmentDeliveryServiceImpl extends ServiceImpl<CsEquipmentDeliv
 
     private final DicDataFeignClient dicDataFeignClient;
 
+    private final FileStorageUtil fileStorageUtil;
+
     @Override
     @Transactional(rollbackFor = {Exception.class})
-    public Boolean save(CsEquipmentDeliveryAddParm csEquipmentDeliveryAddParm) {
+    public Boolean  save(CsEquipmentDeliveryAddParm csEquipmentDeliveryAddParm) {
         CsEquipmentDeliveryPO po = this.queryEquipmentPOByndid (csEquipmentDeliveryAddParm.getNdid ( ));
         if(!Objects.isNull (po)){
             throw new BusinessException (AlgorithmResponseEnum.NDID_ERROR);
@@ -72,6 +81,18 @@ public class CsEquipmentDeliveryServiceImpl extends ServiceImpl<CsEquipmentDeliv
         BeanUtils.copyProperties (csEquipmentDeliveryAddParm,csEquipmentDeliveryPo);
         csEquipmentDeliveryPo.setStatus ("1");
         csEquipmentDeliveryPo.setRunStatus(1);
+        //生成二维码文件
+        try {
+            QrParam qrParam = new QrParam();
+            qrParam.setData(csEquipmentDeliveryAddParm.getNdid());
+            BufferedImage bufferedImage = QRCodeUtil.getBufferedImage(JSONObject.toJSONString(qrParam));
+            InputStream inputStream = bufferedImageToInputStream(bufferedImage);
+            String fileName = csEquipmentDeliveryAddParm.getNdid() + ".png";
+            String filePath =  fileStorageUtil.uploadStream(inputStream,OssPath.APP_DEVICE_QR,fileName);
+            csEquipmentDeliveryPo.setQrPath(filePath);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
         return this.save (csEquipmentDeliveryPo);
     }
 
@@ -180,7 +201,13 @@ public class CsEquipmentDeliveryServiceImpl extends ServiceImpl<CsEquipmentDeliv
         } else {
             queryWrapper.in("cs_equipment_delivery.run_status", Arrays.asList(1,2));
         }
-        return this.baseMapper.page(new Page<>(PageFactory.getPageNum(queryParam), PageFactory.getPageSize(queryParam)), queryWrapper);
+        Page<CsEquipmentDeliveryVO> page = this.baseMapper.page(new Page<>(PageFactory.getPageNum(queryParam), PageFactory.getPageSize(queryParam)), queryWrapper);
+        page.getRecords().forEach(item->{
+            if (!Objects.isNull(item.getQrPath())){
+                item.setQrPath(fileStorageUtil.getFileUrl(item.getQrPath()));
+            }
+        });
+        return page;
     }
 
     @Override
@@ -261,4 +288,15 @@ public class CsEquipmentDeliveryServiceImpl extends ServiceImpl<CsEquipmentDeliv
         this.update(lambdaUpdateWrapper);
     }
 
+    public InputStream bufferedImageToInputStream(BufferedImage image) {
+        ByteArrayOutputStream os = new ByteArrayOutputStream();
+        try {
+            ImageIO.write(image, "png", os);
+            InputStream input = new ByteArrayInputStream(os.toByteArray());
+            return input;
+        } catch (IOException e) {
+            log.error("提示:", e);
+        }
+        return null;
+    }
 }

cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/util/QRCodeUtil.java

@@ -0,0 +1,125 @@
+package com.njcn.csdevice.util;
+
+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 lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang.StringUtils;
+
+import javax.imageio.ImageIO;
+import javax.swing.filechooser.FileSystemView;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 类的介绍：
+ * 二维码工具
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/8/21 13:57
+ */
+@Slf4j
+public class QRCodeUtil {
+
+    /**
+     * 二维码宽度，单位像素
+     */
+    private static final int CODE_WIDTH = 400;
+
+    /**
+     * 二维码高度，单位像素
+     */
+    private static final int CODE_HEIGHT = 400;
+
+    /**
+     * 二维码前景色，0x000000 表示黑色
+     */
+    private static final int FRONT_COLOR = 0x000000;
+
+    /**
+     * 二维码背景色，0xFFFFFF 表示白色
+     */
+    private static final int BACKGROUND_COLOR = 0xFFFFFF;
+
+    public static void createCodeToFile(String content, File codeImgFileSaveDir, String fileName) {
+        try {
+            if (StringUtils.isBlank(content) || StringUtils.isBlank(fileName)) {
+                return;
+            }
+            content = content.trim();
+            if (codeImgFileSaveDir==null || codeImgFileSaveDir.isFile()) {
+                //二维码图片存在目录为空，默认放在桌面...
+                codeImgFileSaveDir = FileSystemView.getFileSystemView().getHomeDirectory();
+            }
+            if (!codeImgFileSaveDir.exists()) {
+                //二维码图片存在目录不存在，开始创建...
+                codeImgFileSaveDir.mkdirs();
+            }
+            //核心代码-生成二维码
+            BufferedImage bufferedImage = getBufferedImage(content);
+            File codeImgFile = new File(codeImgFileSaveDir, fileName);
+            ImageIO.write(bufferedImage, "png", codeImgFile);
+            log.info("二维码图片生成成功：" + codeImgFile.getPath());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 生成二维码并输出到输出流, 通常用于输出到网页上进行显示，输出到网页与输出到磁盘上的文件中，区别在于最后一句 ImageIO.write
+     * write(RenderedImage im,String formatName,File output)：写到文件中
+     * write(RenderedImage im,String formatName,OutputStream output)：输出到输出流中
+     * @param content  ：二维码内容
+     * @param outputStream ：输出流，比如 HttpServletResponse 的 getOutputStream
+     */
+    public static void createCodeToOutputStream(String content, OutputStream outputStream) {
+        try {
+            if (StringUtils.isBlank(content)) {
+                return;
+            }
+            content = content.trim();
+            //核心代码-生成二维码
+            BufferedImage bufferedImage = getBufferedImage(content);
+            //区别就是这一句，输出到输出流中，如果第三个参数是 File，则输出到文件中
+            ImageIO.write(bufferedImage, "png", outputStream);
+            log.info("二维码图片生成到输出流成功...");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    //核心代码-生成二维码
+    public static BufferedImage getBufferedImage(String content) throws WriterException {
+
+        //com.google.zxing.EncodeHintType：编码提示类型,枚举类型
+        Map<EncodeHintType, Object> hints = new HashMap();
+
+        //EncodeHintType.CHARACTER_SET：设置字符编码类型
+        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+
+        //EncodeHintType.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
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
+
+        //EncodeHintType.MARGIN：设置二维码边距，单位像素，值越小，二维码距离四周越近
+        hints.put(EncodeHintType.MARGIN, 1);
+
+        MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
+        BitMatrix bitMatrix = multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, CODE_WIDTH, CODE_HEIGHT, hints);
+        BufferedImage bufferedImage = new BufferedImage(CODE_WIDTH, CODE_HEIGHT, BufferedImage.TYPE_INT_BGR);
+        for (int x = 0; x < CODE_WIDTH; x++) {
+            for (int y = 0; y < CODE_HEIGHT; y++) {
+                bufferedImage.setRGB(x, y, bitMatrix.get(x, y) ? FRONT_COLOR : BACKGROUND_COLOR);
+            }
+        }
+        return bufferedImage;
+    }
+}
+