java/ForestFirePrevention.git

			@@ -1,5 +1,7 @@
			package com.ruoyi.management.service.impl;

			import com.alibaba.fastjson2.util.UUIDUtils;
			import com.alibaba.nacos.common.utils.UuidUtils;
			import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
			import com.baomidou.mybatisplus.core.toolkit.Wrappers;
			import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
			@@ -12,11 +14,22 @@
			import com.ruoyi.management.service.SlVolumeProductionRkService;
			import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
			import com.ruoyi.management.service.SlVolumeProductionRkglService;
			import com.ruoyi.management.util.ObsUploadUtil;
			import com.ruoyi.management.util.QRCodeUtil;
			import com.ruoyi.management.util.UUIDUtil;
			import com.ruoyi.system.api.domain.SysUser;
			import com.ruoyi.system.api.feignClient.SysUserClient;
			import org.apache.logging.log4j.core.util.UuidUtil;
			import org.apache.tomcat.util.http.fileupload.ByteArrayOutputStream;
			import org.springframework.core.io.ByteArrayResource;
			import org.springframework.mock.web.MockMultipartFile;
			import org.springframework.stereotype.Service;
			import org.springframework.web.multipart.MultipartFile;

			import javax.annotation.Resource;
			import javax.imageio.ImageIO;
			import java.awt.image.BufferedImage;
			import java.io.IOException;
			import java.math.BigDecimal;
			import java.sql.Array;
			import java.text.SimpleDateFormat;
			@@ -200,7 +213,7 @@
			}

			@Override
			public List<QRCodeVO> codeInfo(Long id) {
			public List<QRCodeVO> codeInfo(Long id) throws Exception {
			SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
			List<QRCodeVO> res = new ArrayList<>();
			LambdaQueryWrapper< SlVolumeProductionRk> wrapper1= Wrappers.lambdaQuery();
			@@ -211,6 +224,11 @@
			for (SlVolumeProductionRk byId : list) {
			// 根据生成二维码数量复制
			for (int i = 0; i < byId.getErwmNum(); i++) {
			String blueS = "{\"rkNumber\": "+byId.getRkNumber()+"}";
			BufferedImage blueImage = QRCodeUtil.createImage(blueS);
			MultipartFile blueFile = convert(blueImage, new Date().getTime() + UUIDUtil.getRandomCode(3) + ".PNG");
			// 生成的二维码连接
			String s = ObsUploadUtil.obsUpload(blueFile);
			QRCodeVO vo=new QRCodeVO();
			String letter = getLetter(i);
			vo.setCategory(letter);
			@@ -225,6 +243,7 @@
			vo.setMaterials(byId.getRkNumber());
			SlStoreManagement slStoreManagement = slStoreManagementMapper.selectById(byId.getManagementId());
			vo.setStoreManagementName(slStoreManagement.getStoreManagementName());
			vo.setQrCode(s);
			res.add(vo);
			}

			@@ -234,6 +253,33 @@
			return res;
			}

			public static void main(String[] args) throws Exception {
			String blueS = "{\"rkNumber\": CD-1721989472748"+"}";
			BufferedImage blueImage = QRCodeUtil.createImage(blueS);
			MultipartFile blueFile = convert(blueImage, new Date().getTime() + UUIDUtil.getRandomCode(3) + ".PNG");
			// 生成的二维码连接
			String s = ObsUploadUtil.obsUpload(blueFile);
			System.err.println(s);
			}
			public static MultipartFile convert(BufferedImage bufferedImage, String fileName) throws IOException {
			// 将 BufferedImage 转换为字节数组
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ImageIO.write(bufferedImage, "png", baos);
			byte[] bytes = baos.toByteArray();

			// 创建 ByteArrayResource
			ByteArrayResource resource = new ByteArrayResource(bytes);

			// 创建 MockMultipartFile
			MockMultipartFile multipartFile = new MockMultipartFile(
			"file",
			fileName,
			"image/png",
			resource.getInputStream()
			);

			return multipartFile;
			}
			// 根据传入数字是几返回对应的字母
			public static String getLetter(int num) {
			String[] str = {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"};