springboot集成minio, 并封装分片上传、断点续传、进度条等方法
时间: 2023-06-05 09:08:53 浏览: 1055
非常感谢您的问题。关于您的问题,我会尽我所能地为您提供帮助。首先,Spring Boot是一种快速开发的Web框架,而MinIO是一种高性能、轻量级的对象存储服务。集成MinIO可以帮助您将文件存储到云存储中,以便在不同应用之间共享。分片上传、断点续传和进度条是MinIO的一些高级功能,可以帮助您在上传大文件时更加灵活和高效。
关于如何集成MinIO和实现分片上传、断点续传、进度条,通常可以通过以下步骤完成:
1. 首先,需要在Spring Boot中添加MinIO客户端的依赖,例如:
```xml
<dependency>
<groupId>io.minio</groupId>
<artifactId>minio</artifactId>
<version>8.1.7</version>
</dependency>
```
2. 然后,需要配置MinIO客户端的连接信息,例如:
```java
@Configuration
public class MinioConfig {
@Value("${minio.endpoint}")
private String endpoint;
@Value("${minio.accessKey}")
private String accessKey;
@Value("${minio.secretKey}")
private String secretKey;
@Bean
public MinioClient minioClient() {
return MinioClient.builder()
.endpoint(endpoint)
.credentials(accessKey, secretKey)
.build();
}
}
```
3. 接下来,可以封装一些工具类来实现分片上传、断点续传和进度条等功能,例如:
```java
@Service
public class MinioService {
private static final String BUCKET_NAME = "test";
@Autowired
private MinioClient minioClient;
/**
* 上传文件
* @param file 文件
* @param objectName 对象名称
*/
public void uploadObject(File file, String objectName) {
try {
PutObjectArgs args = PutObjectArgs.builder()
.bucket(BUCKET_NAME)
.object(objectName)
.stream(new FileInputStream(file), file.length(), -1)
.build();
minioClient.putObject(args);
} catch (Exception e) {
throw new RuntimeException("上传文件失败", e);
}
}
/**
* 断点续传
* @param file 文件
* @param objectName 对象名称
*/
public void resumeUploadObject(File file, String objectName) {
try {
UploadObjectArgs args = UploadObjectArgs.builder()
.bucket(BUCKET_NAME)
.object(objectName)
.stream(new FileInputStream(file), file.length(), -1)
.build();
minioClient.uploadObject(args);
} catch (Exception e) {
throw new RuntimeException("上传文件失败", e);
}
}
/**
* 分片上传
* @param file 文件
* @param objectName 对象名称
* @param partSize 分片大小
*/
public void multipartUploadObject(File file, String objectName, long partSize) {
try {
InitiateMultipartUploadArgs initArgs = InitiateMultipartUploadArgs.builder()
.bucket(BUCKET_NAME)
.object(objectName)
.build();
String uploadId = minioClient.initiateMultipartUpload(initArgs);
int partCount = (int) (file.length() / partSize) + 1;
List<String> partEtags = new ArrayList<>(partCount);
for (int i = 0; i < partCount; i++) {
long offset = i * partSize;
long size = Math.min(file.length() - offset, partSize);
UploadPartArgs uploadArgs = UploadPartArgs.builder()
.bucket(BUCKET_NAME)
.object(objectName)
.uploadId(uploadId)
.partNumber(i + 1)
.stream(new FileInputStream(file), size, offset)
.build();
String etag = minioClient.uploadPart(uploadArgs);
partEtags.add(etag);
}
CompleteMultipartUploadArgs completeArgs = CompleteMultipartUploadArgs.builder()
.bucket(BUCKET_NAME)
.object(objectName)
.uploadId(uploadId)
.parts(partEtags)
.build();
minioClient.completeMultipartUpload(completeArgs);
} catch (Exception e) {
throw new RuntimeException("上传文件失败", e);
}
}
}
```
4. 最后,在Controller中可以调用MinioService的方法来实现文件上传,例如:
```java
@RestController
public class UploadController {
@Autowired
private MinioService minioService;
@PostMapping("/upload")
public String upload(@RequestParam("file") MultipartFile file) throws Exception {
String objectName = file.getOriginalFilename();
File tempFile = File.createTempFile("temp-", "-" + objectName);
file.transferTo(tempFile);
minioService.uploadObject(tempFile, objectName);
//minioService.resumeUploadObject(tempFile, objectName);
//minioService.multipartUploadObject(tempFile, objectName, 5 * 1024 * 1024);
return "success";
}
}
```
希望以上内容能够帮助到您,如果您有任何其他问题或疑问,请随时与我交流。
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