2c713febc6
1. 任务标题自动生成 - 根据SPU信息+平台+品牌+任务子类型+需求类型自动组合生成标题 - 添加watch监听相关字段变化自动更新标题 2. 预览图上传功能 - 添加S3预览图上传API（自动压缩到200px宽度） - Task实体增加previewImage字段 - 前端添加预览图上传组件 - 任务卡片显示65x65像素预览图 3. 接单大厅按部门显示 - 根据用户所属部门筛选可接单的任务类型 - 只显示用户部门对应的任务类型的任务
230 lines
8.9 KiB
Java
230 lines
8.9 KiB
Java
package com.designhub.service;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.designhub.entity.FileUpload;
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import com.designhub.entity.S3Config;
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import com.designhub.mapper.FileUploadMapper;
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import com.designhub.mapper.S3ConfigMapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.web.multipart.MultipartFile;
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import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
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import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
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import software.amazon.awssdk.core.sync.RequestBody;
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import software.amazon.awssdk.regions.Region;
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import software.amazon.awssdk.services.s3.S3Client;
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import software.amazon.awssdk.services.s3.S3Configuration;
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import software.amazon.awssdk.services.s3.model.PutObjectRequest;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.net.URI;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.UUID;
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import net.coobird.thumbnailator.Thumbnails;
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/**
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* S3文件存储服务
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*/
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@Service
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public class S3Service {
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private static final Logger log = LoggerFactory.getLogger(S3Service.class);
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@Autowired
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private S3ConfigMapper s3ConfigMapper;
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@Autowired
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private FileUploadMapper fileUploadMapper;
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/**
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* 上传文件到S3
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*
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* @param file 文件
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* @param uploaderId 上传者ID
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* @param uploaderName 上传者姓名
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* @param relatedType 关联类型
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* @param relatedId 关联ID
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* @return 文件URL
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*/
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public String uploadFile(MultipartFile file, Long uploaderId, String uploaderName,
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String relatedType, Long relatedId) throws IOException {
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// 获取激活的S3配置
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S3Config config = s3ConfigMapper.getActiveConfig();
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if (config == null) {
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throw new RuntimeException("S3配置未激活，请先配置S3存储");
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}
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// 生成唯一文件名
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String originalFilename = file.getOriginalFilename();
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String fileExtension = originalFilename.substring(originalFilename.lastIndexOf("."));
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String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
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String uuid = UUID.randomUUID().toString().replace("-", "").substring(0, 8);
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String storedName = timestamp + "_" + uuid + fileExtension;
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// 构建文件路径
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String filePath = config.getFilePath() + storedName;
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try {
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// 创建S3客户端
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S3Client s3Client = createS3Client(config);
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// 上传文件
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PutObjectRequest putObjectRequest = PutObjectRequest.builder()
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.bucket(config.getBucket())
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.key(filePath)
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.contentType(file.getContentType())
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.build();
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s3Client.putObject(putObjectRequest, RequestBody.fromInputStream(file.getInputStream(), file.getSize()));
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// 生成文件URL
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String fileUrl = config.getPublicDomain() + "/" + filePath;
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// 保存文件上传记录
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FileUpload fileUpload = new FileUpload();
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fileUpload.setOriginalName(originalFilename);
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fileUpload.setStoredName(storedName);
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fileUpload.setFilePath(filePath);
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fileUpload.setFileUrl(fileUrl);
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fileUpload.setFileSize(file.getSize());
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fileUpload.setFileType(file.getContentType());
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fileUpload.setUploaderId(uploaderId);
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fileUpload.setUploaderName(uploaderName);
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fileUpload.setRelatedType(relatedType);
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fileUpload.setRelatedId(relatedId);
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fileUploadMapper.insert(fileUpload);
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log.info("文件上传成功: {} -> {}", originalFilename, fileUrl);
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return fileUrl;
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} catch (Exception e) {
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log.error("文件上传失败: {}", originalFilename, e);
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throw new RuntimeException("文件上传失败: " + e.getMessage());
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}
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}
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/**
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* 创建S3客户端
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*/
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private S3Client createS3Client(S3Config config) {
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AwsBasicCredentials credentials = AwsBasicCredentials.create(
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config.getAccessKeyId(),
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config.getSecretAccessKey()
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);
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S3Configuration s3Config = S3Configuration.builder()
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.pathStyleAccessEnabled(config.getEnablePathStyle())
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.build();
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return S3Client.builder()
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.region(Region.of(config.getRegion()))
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.credentialsProvider(StaticCredentialsProvider.create(credentials))
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.endpointOverride(URI.create(config.getEndpoint()))
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.serviceConfiguration(s3Config)
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.build();
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}
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/**
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* 获取文件上传记录
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*/
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public FileUpload getFileUploadById(Long id) {
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return fileUploadMapper.selectById(id);
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}
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/**
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* 根据关联信息获取文件列表
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*/
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public java.util.List<FileUpload> getFilesByRelated(String relatedType, Long relatedId) {
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LambdaQueryWrapper<FileUpload> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(FileUpload::getRelatedType, relatedType)
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.eq(FileUpload::getRelatedId, relatedId)
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.orderByDesc(FileUpload::getCreateTime);
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return fileUploadMapper.selectList(wrapper);
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}
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/**
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* 上传预览图（压缩到最大宽度200px，保持比例）
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*
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* @param file 图片文件
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* @param uploaderId 上传者ID
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* @param uploaderName 上传者姓名
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* @return 压缩后图片的URL
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*/
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public String uploadPreviewImage(MultipartFile file, Long uploaderId, String uploaderName) throws IOException {
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// 获取激活的S3配置
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S3Config config = s3ConfigMapper.getActiveConfig();
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if (config == null) {
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throw new RuntimeException("S3配置未激活，请先配置S3存储");
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}
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// 验证是否为图片
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String contentType = file.getContentType();
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if (contentType == null || !contentType.startsWith("image/")) {
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throw new RuntimeException("只能上传图片文件");
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}
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// 生成唯一文件名
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String originalFilename = file.getOriginalFilename();
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String fileExtension = originalFilename.substring(originalFilename.lastIndexOf("."));
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String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
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String uuid = UUID.randomUUID().toString().replace("-", "").substring(0, 8);
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String storedName = "preview_" + timestamp + "_" + uuid + fileExtension;
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// 构建文件路径（预览图专用目录）
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String filePath = config.getFilePath() + "previews/" + storedName;
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try {
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// 压缩图片到最大宽度200px，保持比例
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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Thumbnails.of(file.getInputStream())
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.width(200) // 最大宽度200像素
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.keepAspectRatio(true) // 保持比例
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.outputQuality(0.85) // 图片质量
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.toOutputStream(outputStream);
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byte[] compressedBytes = outputStream.toByteArray();
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// 创建S3客户端
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S3Client s3Client = createS3Client(config);
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// 上传压缩后的图片
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PutObjectRequest putObjectRequest = PutObjectRequest.builder()
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.bucket(config.getBucket())
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.key(filePath)
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.contentType(contentType)
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.build();
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s3Client.putObject(putObjectRequest,
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RequestBody.fromInputStream(new ByteArrayInputStream(compressedBytes), compressedBytes.length));
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// 生成文件URL
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String fileUrl = config.getPublicDomain() + "/" + filePath;
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// 保存文件上传记录
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FileUpload fileUpload = new FileUpload();
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fileUpload.setOriginalName(originalFilename);
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fileUpload.setStoredName(storedName);
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fileUpload.setFilePath(filePath);
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fileUpload.setFileUrl(fileUrl);
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fileUpload.setFileSize((long) compressedBytes.length);
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fileUpload.setFileType(contentType);
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fileUpload.setUploaderId(uploaderId);
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fileUpload.setUploaderName(uploaderName);
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fileUpload.setRelatedType("preview_image");
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fileUploadMapper.insert(fileUpload);
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log.info("预览图上传成功: {} -> {} (压缩后大小: {} bytes)", originalFilename, fileUrl, compressedBytes.length);
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return fileUrl;
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} catch (Exception e) {
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log.error("预览图上传失败: {}", originalFilename, e);
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throw new RuntimeException("预览图上传失败: " + e.getMessage());
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}
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}
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}
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