diff --git a/src/main/java/com/gaotao/common/utils/ImageUtils.java b/src/main/java/com/gaotao/common/utils/ImageUtils.java new file mode 100644 index 0000000..7e36251 --- /dev/null +++ b/src/main/java/com/gaotao/common/utils/ImageUtils.java @@ -0,0 +1,310 @@ +package com.gaotao.common.utils; + + +import org.springframework.core.io.ClassPathResource; +import org.springframework.core.io.Resource; + +import javax.imageio.ImageIO; +import java.awt.*; +import java.awt.image.BufferedImage; +import java.io.*; +import java.util.Base64; + +/* + * @Description 图片工具类 + * @Title ImageUtils + * @author Yangzz + * @date 2023/11/27 14:19 + */ +public class ImageUtils { + + /* + * @Author yzz + * @Description 图片转Base64字符串 + * @Date 14/8/2024 + * @param imagePath + * @return String + */ + public static String convertImageToBase64(String imagePath) { + String base64Image = ""; + + try { + // 使用ClassPathResource获取资源 + Resource resource = new ClassPathResource(imagePath); + + // 读取资源文件并转换为字节数组 + try (InputStream imageInFile = resource.getInputStream()) { + byte[] imageData = new byte[(int) resource.contentLength()]; + imageInFile.read(imageData); + + // 使用Base64编码 + base64Image = Base64.getEncoder().encodeToString(imageData); + } + + } catch (IOException e) { + e.printStackTrace(); + } + + return base64Image; + } + + /* + * @Author yzz + * @Description 图片转Base64字符串 + * @Date 14/8/2024 + * @param imagePath + * @return String + */ + public static String imageToBase64String(String imagePath) { + String base64Image = ""; + + try { + // 创建File对象，指向本地文件系统中的图片路径 + File file = new File(imagePath); + + // 检查文件是否存在 + if (!file.exists()) { + System.out.println("文件不存在：" + imagePath); + return null; + } + + // 使用FileInputStream读取文件 + try (FileInputStream imageInFile = new FileInputStream(file)) { + byte imageData[] = new byte[(int) file.length()]; + imageInFile.read(imageData); + + // 使用Base64编码 + base64Image = Base64.getEncoder().encodeToString(imageData); + } + + } catch (IOException e) { + e.printStackTrace(); + return null; + } + + return base64Image; + } + + /* + * @Author yzz + * @Description 图片转Base64字符串 + * @Date 14/8/2024 + * @param null + */ + public static String imageToBase64String2(String imagePath, float quality) { + String base64Image = ""; + + try { + // 创建File对象，指向本地文件系统中的图片路径 + File file = new File(imagePath); + + // 检查文件是否存在 + if (!file.exists()) { + System.out.println("文件不存在：" + imagePath); + return null; + } + + // 读取图片 + BufferedImage originalImage = ImageIO.read(file); + + // 调整图像尺寸（例如将宽高各缩小为原来的50%） + int newWidth = originalImage.getWidth() / 2; + int newHeight = originalImage.getHeight() / 2; + BufferedImage resizedImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_ARGB); + Graphics2D g = resizedImage.createGraphics(); + g.drawImage(originalImage, 0, 0, newWidth, newHeight, null); + g.dispose(); + + // 将图像写入字节数组，并使用PNG格式 + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + ImageIO.write(resizedImage, "png", baos); + + // 使用Base64编码 + byte[] imageData = baos.toByteArray(); + base64Image = Base64.getEncoder().encodeToString(imageData); + + } catch (IOException e) { + e.printStackTrace(); + return null; + } + + return base64Image; + } + + /* + * @Author yzz + * @Description 图片转base64字符串 + * @Date 14/8/2024 + * @param imagePath + * @return String + */ + public static String imageToBase64StringTest(String imagePath) { + String base64Image = ""; + + try { + // 创建File对象，指向本地文件系统中的图片路径 + File file = new File(imagePath); + + // 检查文件是否存在 + if (!file.exists()) { + System.out.println("文件不存在：" + imagePath); + return null; + } + + // 读取图片 + BufferedImage originalImage = ImageIO.read(file); + + // 将图像写入字节数组，并使用PNG格式 + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + ImageIO.write(originalImage, "png", baos); + + // 使用Base64编码 + byte[] imageData = baos.toByteArray(); + base64Image = Base64.getEncoder().encodeToString(imageData); + + } catch (IOException e) { + e.printStackTrace(); + return null; + } + + return base64Image; + } + + /* + * @Author yzz + * @Description 文字转透明背景图片 + * @Date 14/8/2024 + * @param text + * @return String + */ + public static String textToBase64String(String text) { + String base64Image = ""; + + try { + // 文本内容，包含换行符 + //String text = "这是第一行文字\n这是第二行文字\n这是第三行文字"; + // 将所有类型的换行符统一为 \n + text = text.replace("\r\n", "\n").replace("\r", "\n"); + // 字体设置 + Font font = new Font("Arial", Font.PLAIN, 40); + + // 计算最大文本宽度和总高度 + BufferedImage tempImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB); + Graphics2D g2dTemp = tempImg.createGraphics(); + g2dTemp.setFont(font); + FontMetrics fm = g2dTemp.getFontMetrics(); + + String[] lines = text.split("\n"); + int maxWidth = 0; + int totalHeight = 0; + + for (String line : lines) { + int lineWidth = fm.stringWidth(line); + maxWidth = Math.max(maxWidth, lineWidth); + totalHeight += fm.getHeight(); + } + g2dTemp.dispose(); + + // 创建透明背景的BufferedImage + BufferedImage image = new BufferedImage(maxWidth, totalHeight, BufferedImage.TYPE_INT_ARGB); + Graphics2D g2d = image.createGraphics(); + + // 设置抗锯齿和透明度 + g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); + g2d.setFont(font); + g2d.setColor(new Color(0, 0, 0, 255)); // 黑色文字，完全不透明 + + // 绘制文本，每行独立绘制 + int y = fm.getAscent(); + for (String line : lines) { + g2d.drawString(line, 0, y); + y += fm.getHeight(); + } + g2d.dispose(); + + // 将图片转换为字节数组 + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + ImageIO.write(image, "png", baos); + byte[] imageBytes = baos.toByteArray(); + + // 将字节数组编码为Base64字符串 + base64Image = Base64.getEncoder().encodeToString(imageBytes); + + // 输出Base64字符串 + //System.out.println("Base64字符串: " + base64String); + + } catch (Exception ex) { + ex.printStackTrace(); + } + + return base64Image; + } + + /** + * 将项目内的JPG图片资源转换为压缩后的PNG格式，并返回Base64字符串 + * @param imagePath 项目内图片的资源路径，例如 "images/sample.jpg" + * @param scale 缩放比例（0.0 ~ 1.0），例如 0.5 表示将图片尺寸缩小到原来的 50% + * @return 压缩后的PNG格式图片的Base64字符串 + * @throws IOException 如果文件读取或写入时出错 + */ + public static String convertJpgToPngBase64(String imagePath, double scale) throws IOException { + // 使用ClassPathResource获取项目内的图片资源 + Resource resource = new ClassPathResource(imagePath); + + // 获取输入流读取图片数据 + InputStream inputStream = resource.getInputStream(); + + // 读取JPG格式的输入图片 + BufferedImage jpgImage = ImageIO.read(inputStream); + + // 计算压缩后的宽度和高度 + int width = (int) (jpgImage.getWidth() * scale); + int height = (int) (jpgImage.getHeight() * scale); + + // 创建压缩后的图片 + Image scaledImage = jpgImage.getScaledInstance(width, height, Image.SCALE_SMOOTH); + BufferedImage compressedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); + + // 将压缩后的图片绘制到BufferedImage上 + Graphics2D g2d = compressedImage.createGraphics(); + g2d.drawImage(scaledImage, 0, 0, null); + g2d.dispose(); + + // 创建一个字节数组输出流，用于保存PNG图片的字节数据 + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + + // 将压缩后的图片写入输出流，以PNG格式输出 + ImageIO.write(compressedImage, "png", outputStream); + + // 将输出流转换为字节数组 + byte[] pngBytes = outputStream.toByteArray(); + + // 将字节数组编码为Base64字符串 + String base64String = Base64.getEncoder().encodeToString(pngBytes); + + // 关闭流 + inputStream.close(); + outputStream.close(); + + return base64String; + } + + public static void main(String[] args) throws IOException { + // 示例用法 + /*String imagePath = "D:\\ckp-file\\2024-08-01\\4d09dd5f-8f49-41dd-90f0-2aa23eaa7f95.png"; + String base64Image1 = imageToBase64String(imagePath); + String base64Image2 = imageToBase64String(imagePath,1f); + String base64Image3 = imageToBase64StringTest(imagePath); + + System.out.println("Base64 encoded image WYS:\n" + base64Image1); + System.out.println("Base64 encoded image YS:\n" + base64Image2); + System.out.println("Base64 encoded image YS:\n" + base64Image3);*/ + String imagePath = "static/img/logoR.jpg"; + String base64Image1 = convertJpgToPngBase64(imagePath,0.8); + + System.out.println("Base64 encoded image WYS:\n" + base64Image1); + /*String imagePath = "IC:3356B-TR7240R\nContainslC:3356B-WRTZ2000"; + String s = textToBase64String(imagePath); + System.out.println(s);*/ + } +} diff --git a/src/main/java/com/gaotao/modules/label/controller/LabelMaintenanceController.java b/src/main/java/com/gaotao/modules/label/controller/LabelMaintenanceController.java new file mode 100644 index 0000000..61fe77d --- /dev/null +++ b/src/main/java/com/gaotao/modules/label/controller/LabelMaintenanceController.java @@ -0,0 +1,47 @@ +package com.gaotao.modules.label.controller; + +import com.gaotao.common.utils.PageUtils; +import com.gaotao.common.utils.R; +import com.gaotao.modules.label.entity.LabelMaintenanceData; +import com.gaotao.modules.label.service.LabelMaintenanceService; +import com.gaotao.modules.manufacturer.data.ManufacturerInformationData; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.web.bind.annotation.*; +import org.springframework.web.multipart.MultipartFile; + +/** + * @description: + * @author: jiayang_yue + * @date: 2025/5/22 17:17 + * @param: + * @return: + */ +@RestController +@RequestMapping("/label/maintenance") +public class LabelMaintenanceController { + + @Autowired + private LabelMaintenanceService labelMaintenanceService; + + /** + * @description: 获取图片列表 + * @author: yjy + * @date: 2025/5/22 17:17 + * @param: [data] + * @return: com.gaotao.common.utils.R + **/ + @PostMapping + @ResponseBody + public R labelMaintenanceInfoSearch(@RequestBody LabelMaintenanceData data) { + PageUtils page = labelMaintenanceService.labelMaintenanceInfoSearch(data); + return R.ok().put("page", page); + } + + @PostMapping("/upload") + @ResponseBody + public R uploadLabelMaintenancePicture(@RequestParam("file") MultipartFile file, + @ModelAttribute LabelMaintenanceData data) { + labelMaintenanceService.upload(file,data); + return R.ok(); + } +} diff --git a/src/main/java/com/gaotao/modules/label/entity/LabelMaintenanceData.java b/src/main/java/com/gaotao/modules/label/entity/LabelMaintenanceData.java new file mode 100644 index 0000000..20c0a1b --- /dev/null +++ b/src/main/java/com/gaotao/modules/label/entity/LabelMaintenanceData.java @@ -0,0 +1,48 @@ +package com.gaotao.modules.label.entity; + +import com.baomidou.mybatisplus.annotation.IdType; +import com.baomidou.mybatisplus.annotation.TableField; +import com.baomidou.mybatisplus.annotation.TableId; +import com.baomidou.mybatisplus.annotation.TableName; +import java.util.Date; + +import com.fasterxml.jackson.annotation.JsonFormat; +import com.gaotao.common.utils.QueryPage; +import lombok.Data; +import org.springframework.format.annotation.DateTimeFormat; + +/** + * @TableName base_picture + */ +@TableName(value ="base_picture") +@Data +public class LabelMaintenanceData extends QueryPage { + + @TableId(value = "picture_no",type = IdType.AUTO) + private Long pictureNo; + + @TableField(value = "picture_desc") + private String pictureDesc; + + private String pictureUrl; + + private String pictureFileName; + + private String pictureNewFileName; + + private String pictureType; + + private String createBy; + + @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") + @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8") + private Date createTime; + + private String certificationNo; + + @TableField(exist = false) + private String pictureBase64; + + @TableField(exist = false) + private String userName; +} \ No newline at end of file diff --git a/src/main/java/com/gaotao/modules/label/mapper/LabelMaintenanceMapper.java b/src/main/java/com/gaotao/modules/label/mapper/LabelMaintenanceMapper.java new file mode 100644 index 0000000..7542179 --- /dev/null +++ b/src/main/java/com/gaotao/modules/label/mapper/LabelMaintenanceMapper.java @@ -0,0 +1,25 @@ +package com.gaotao.modules.label.mapper; + +import com.baomidou.mybatisplus.core.mapper.BaseMapper; +import com.baomidou.mybatisplus.core.metadata.IPage; +import com.baomidou.mybatisplus.extension.plugins.pagination.Page; +import com.gaotao.modules.label.entity.LabelMaintenanceData; +import com.gaotao.modules.manufacturer.data.ManufacturerInformationData; +import org.apache.ibatis.annotations.Mapper; +import org.apache.ibatis.annotations.Param; + +/** +* @author jia +* @description 针对表【base_picture】的数据库操作Mapper +* @createDate 2025-05-22 17:09:18 +* @Entity com/gaotao/modules/label.entity.BasePictureData +*/ +@Mapper +public interface LabelMaintenanceMapper extends BaseMapper { + IPage labelMaintenanceInfoSearch(Page labelMaintenanceDataPage,@Param("query") LabelMaintenanceData data); + +} + + + + diff --git a/src/main/java/com/gaotao/modules/label/service/LabelMaintenanceService.java b/src/main/java/com/gaotao/modules/label/service/LabelMaintenanceService.java new file mode 100644 index 0000000..97f8d8a --- /dev/null +++ b/src/main/java/com/gaotao/modules/label/service/LabelMaintenanceService.java @@ -0,0 +1,19 @@ +package com.gaotao.modules.label.service; + +import com.baomidou.mybatisplus.extension.service.IService; +import com.gaotao.common.utils.PageUtils; +import com.gaotao.modules.label.entity.LabelMaintenanceData; +import com.gaotao.modules.manufacturer.data.ManufacturerInformationData; +import org.springframework.web.multipart.MultipartFile; + +/** +* @author jia +* @description 针对表【base_picture】的数据库操作Service +* @createDate 2025-05-22 17:09:18 +*/ +public interface LabelMaintenanceService extends IService { + + PageUtils labelMaintenanceInfoSearch(LabelMaintenanceData data); + + void upload(MultipartFile file, LabelMaintenanceData data); +} diff --git a/src/main/java/com/gaotao/modules/label/service/impl/LabelMaintenanceServiceImpl.java b/src/main/java/com/gaotao/modules/label/service/impl/LabelMaintenanceServiceImpl.java new file mode 100644 index 0000000..1cbd1dd --- /dev/null +++ b/src/main/java/com/gaotao/modules/label/service/impl/LabelMaintenanceServiceImpl.java @@ -0,0 +1,100 @@ +package com.gaotao.modules.label.service.impl; + +import com.baomidou.mybatisplus.core.metadata.IPage; +import com.baomidou.mybatisplus.extension.plugins.pagination.Page; +import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; +import com.gaotao.common.utils.ImageUtils; +import com.gaotao.common.utils.PageUtils; +import com.gaotao.modules.label.entity.LabelMaintenanceData; +import com.gaotao.modules.label.mapper.LabelMaintenanceMapper; +import com.gaotao.modules.label.service.LabelMaintenanceService; +import com.gaotao.modules.manufacturer.data.ManufacturerInformationData; +import org.springframework.stereotype.Service; +import org.springframework.web.multipart.MultipartFile; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.time.LocalDate; +import java.util.Date; +import java.util.List; +import java.util.UUID; + +/** +* @author jia +* @description 针对表【base_picture】的数据库操作Service实现 +* @createDate 2025-05-22 17:09:18 +*/ +@Service +public class LabelMaintenanceServiceImpl extends ServiceImpl + implements LabelMaintenanceService { + + @Override + public PageUtils labelMaintenanceInfoSearch(LabelMaintenanceData data) { + IPage resultList = baseMapper.labelMaintenanceInfoSearch(new Page(data.getPage(), data.getLimit()), data); + List pictureData = resultList.getRecords(); + for (int i = 0; i + + + + +