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故事项新建调整，上传图像增加缩略图

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This commit is contained in:
jiangh277
2025-08-06 18:38:42 +08:00
parent 75e61a1bf4
commit 7f3505ab2e
13 changed files with 139 additions and 97 deletions
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17
timeline-file-service/src/main/java/com/timeline/file/controller/FileController.java
View File

@@ -1,6 +1,5 @@
package com.timeline.file.controller;
import com.timeline.file.entity.ImageInfo;
import com.timeline.file.service.FileService;
import com.timeline.file.vo.ImageInfoVo;
import com.timeline.common.response.ResponseEntity;
@@ -50,18 +49,22 @@ public class FileController {
}
@PostMapping("/upload-image")
public ResponseEntity<String> uploadCover(@RequestPart("image") MultipartFile image) throws Throwable {
String objectKey = fileService.uploadCover(image);
String objectKey = fileService.uploadImage(image);
return ResponseEntity.success(objectKey);
}
@RequestMapping(value = "/image/{coverInstanceId}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
public void downloadCover(@PathVariable String coverInstanceId, HttpServletResponse response) throws Throwable {
log.info("downloadCover");
InputStream inputStream = fileService.downloadCover(coverInstanceId);
@RequestMapping(value = "/image/{instanceId}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
public void fetchImage(@PathVariable String instanceId, HttpServletResponse response) throws Throwable {
InputStream inputStream = fileService.fetchImage(instanceId);
response.setContentType("image/jpeg");
IOUtils.copy(inputStream, response.getOutputStream());
}
@RequestMapping(value = "/image-low-res/{instanceId}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
public void fetchImageLowRes(@PathVariable String instanceId, HttpServletResponse response) throws Throwable {
InputStream inputStream = fileService.fetchImageLowRes(instanceId);
response.setContentType("image/jpeg");
IOUtils.copy(inputStream, response.getOutputStream());
}
/**
* 上传图片后绑定到某个 StoryItem
*/

7
timeline-file-service/src/main/java/com/timeline/file/service/FileService.java
View File

@@ -22,7 +22,10 @@ public interface FileService {
List<String> getStoryItemImages(String storyItemId);
void removeImageFromStoryItem(String imageInstanceId, String storyItemId);
ArrayList<String> getAllImageUrls(List<String> images) throws Throwable;
String uploadCover(MultipartFile cover) throws Throwable;
InputStream downloadCover(String coverKey) throws Throwable;
String uploadImage(MultipartFile cover) throws Throwable;
InputStream fetchImage(String coverKey) throws Throwable;
InputStream fetchImageLowRes(String instanceId) throws Throwable;
Map getImagesListByOwnerId(ImageInfoVo imageInfoVo);
}

85
timeline-file-service/src/main/java/com/timeline/file/service/impl/FileServiceImpl.java
View File

@@ -2,6 +2,7 @@ package com.timeline.file.service.impl;
import com.timeline.common.constants.CommonConstants;
import com.timeline.common.exception.CustomException;
import com.timeline.common.response.ResponseEnum;
import com.timeline.common.utils.CommonUtils;
import com.timeline.common.utils.PageUtils;
import com.timeline.file.config.MinioConfig;
@@ -17,10 +18,13 @@ import io.minio.*;
import io.minio.errors.MinioException;
import io.minio.http.Method;
import lombok.extern.slf4j.Slf4j;
import net.coobird.thumbnailator.Thumbnails;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.time.LocalDateTime;
import java.util.*;
@@ -110,10 +114,17 @@ public class FileServiceImpl implements FileService {
} else {
// 不存在其他image_info使用则删除 MinIO 中的对象
log.info("删除 MinIO 中的对象：{}", imageInfo.getObjectKey());
minioClient.removeObject(RemoveObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(imageInfo.getObjectKey())
.build());
// 删除低分辨率图像
log.info("删除 MinIO 中的低分辨率对象：{}", CommonConstants.LOW_RESOLUTION_PREFIX + imageInfo.getObjectKey());
minioClient.removeObject(RemoveObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(CommonConstants.LOW_RESOLUTION_PREFIX + imageInfo.getObjectKey())
.build());
}
// 删除file_hash
fileHashMapper.deleteFileHash(instanceId);
@@ -165,10 +176,11 @@ public class FileServiceImpl implements FileService {
}
@Override
public String uploadCover(MultipartFile image) throws Throwable {
public String uploadImage(MultipartFile image) throws Throwable {
String suffix = Objects.requireNonNull(image.getOriginalFilename()).substring(image.getOriginalFilename().lastIndexOf("."));
String hash = CommonUtils.calculateFileHash(image);
String objectKey = hash + suffix;
String lowResolutionObjectKey = CommonConstants.LOW_RESOLUTION_PREFIX + hash + suffix;
log.info("上传图片的ObjectKey值为：{}", objectKey);
List<FileHash> hashByFileHash = fileHashMapper.getFileHashByFileHash(hash);
// 2. 保存元数据到 MySQL
@@ -190,6 +202,26 @@ public class FileServiceImpl implements FileService {
.stream(image.getInputStream(), image.getSize(), -1)
.contentType(image.getContentType())
.build());
// 生成并上传低分辨率版本
try (InputStream inputStream = image.getInputStream()) {
ByteArrayOutputStream lowResOutputStream = new ByteArrayOutputStream();
Thumbnails.of(inputStream)
.size(300, 300) // 设置低分辨率版本大小
.outputQuality(0.7) // 设置压缩质量
.toOutputStream(lowResOutputStream);
ByteArrayInputStream lowResInputStream = new ByteArrayInputStream(lowResOutputStream.toByteArray());
minioClient.putObject(PutObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(lowResolutionObjectKey)
.stream(lowResInputStream, lowResInputStream.available(), -1)
.contentType(image.getContentType())
.build());
log.info("低分辨率版本已生成并上传: {}", lowResolutionObjectKey);
} catch (Exception e) {
log.error("生成低分辨率版本失败", e);
}
}
fileHashMapper.insertFileHash(new FileHash(imageInfo.getInstanceId(), hash));
imageInfoMapper.insert(imageInfo);
@@ -198,15 +230,40 @@ public class FileServiceImpl implements FileService {
}
@Override
public InputStream downloadCover(String coverInstanceId) throws Throwable {
log.info("获取");
String objectKey = imageInfoMapper.selectObjectKeyById(coverInstanceId);
public InputStream fetchImage(String instanceId) throws Throwable {
String objectKey = imageInfoMapper.selectObjectKeyById(instanceId);
log.info("获取图像{}, objectKey:{}", instanceId, objectKey);
if (objectKey == null) {
throw new CustomException(ResponseEnum.NOT_FOUND_ERROR);
}
return minioClient.getObject(GetObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(objectKey)
.build());
}
@Override
public InputStream fetchImageLowRes(String instanceId) throws Throwable {
String objectKey = imageInfoMapper.selectObjectKeyById(instanceId);
log.info("获取图像低分辨率版本{}, objectKey:{}", instanceId, objectKey);
if (objectKey == null) {
throw new CustomException(ResponseEnum.NOT_FOUND_ERROR);
}
String lowResObjectKey = CommonConstants.LOW_RESOLUTION_PREFIX + objectKey;
// 优先返回低分辨率版本，如果不存在则返回原图
if (doesObjectExist(lowResObjectKey)) {
return minioClient.getObject(GetObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(lowResObjectKey)
.build());
} else {
log.warn("低分辨率版本不存在，返回原图: {}", objectKey);
return minioClient.getObject(GetObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(objectKey)
.build());
}
}
@Override
public Map getImagesListByOwnerId(ImageInfoVo imageInfoVo) {
HashMap<String, String> map = new HashMap<>();
@@ -215,4 +272,24 @@ public class FileServiceImpl implements FileService {
map, "list");
return resultMap;
}
/**
* 检查对象是否存在
* @param objectKey 对象键
* @return true表示存在，false表示不存在
*/
private boolean doesObjectExist(String objectKey) {
try {
minioClient.statObject(StatObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(objectKey)
.build());
return true;
} catch (MinioException e) {
return false;
} catch (Exception e) {
log.error("检查对象是否存在时出错: {}", objectKey, e);
return false;
}
}
}