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设备二维码生成功能

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This commit is contained in:
xuyang
2023-08-21 16:15:10 +08:00
parent af4c462843
commit 393f6973fa
6 changed files with 210 additions and 6 deletions
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19
cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/param/QrParam.java Normal file
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@@ -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;
}

5
cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/po/CsEquipmentDeliveryPO.java
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@@ -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;
}

3
cs-device/cs-device-api/src/main/java/com/njcn/csdevice/pojo/vo/CsEquipmentDeliveryVO.java
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@@ -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 ;
}

14
cs-device/cs-device-boot/pom.xml
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@@ -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>

48
cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsEquipmentDeliveryServiceImpl.java
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@@ -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.CsEquipmentDeliveryAuditParm;
import com.njcn.csdevice.pojo.param.CsEquipmentDeliveryQueryParm;
import com.njcn.csdevice.pojo.param.ProjectEquipmentQueryParm;
import com.njcn.csdevice.pojo.param.*;
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.*;
/**
@@ -61,6 +68,8 @@ public class CsEquipmentDeliveryServiceImpl extends ServiceImpl<CsEquipmentDeliv
private final DicDataFeignClient dicDataFeignClient;
private final FileStorageUtil fileStorageUtil;
@Override
@Transactional(rollbackFor = {Exception.class})
public Boolean save(CsEquipmentDeliveryAddParm csEquipmentDeliveryAddParm) {
@@ -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;
}
}

125
cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/util/QRCodeUtil.java Normal file
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@@ -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;
}
}