基于Java写minio客户端实现上传下载文件

2023-07-24 14:21:03 277

前言：

确保已经安装了minio的服务端

代码：

pom.xml


io.minio
minio
7.0.2

application.yml

server:
port:90
minio:
url:http://10.69.94.140:9000
accessKey:账号
secretKey:密码
defaultFolder:/

MinioProperties.java

@ConfigurationProperties("minio")
@Data
publicclassMinioProperties{
privateStringurl;
privateStringaccessKey;
privateStringsecretKey;
privateStringdefaultFolder;
}

SpringConfig.java

@Configuration
@EnableConfigurationProperties(MinioProperties.class)
@Slf4j
publicclassSpringConfig{
@Autowired
privateMinioPropertiesminioProperties;

@Bean
publicMinioClientminioClient(){
try{
returnnewMinioClient(minioProperties.getUrl(),minioProperties.getAccessKey(),minioProperties.getSecretKey());
}catch(Exceptione){
log.error(e.toString());
}
returnnull;
}

}

ImagesController.java

@RestController
@RequestMapping("/image")
@Slf4j
@CrossOrigin(origins="*")
publicclassImageController{

@Autowired
privateFileServicefileService;

/*******
*Getimagefile,thismethodreturnanimagetypefilewhichcanbedisplayedinbrowser.
*@parambucketName,system,eachsystemshouldbelongaspecialbucket.
*@paramcategory,asystemmaycontainmultiplecategory
*@paramfileName
*/
@GetMapping(value="/get/{bucketName}/{category}/{objectName}/{fileName}",produces=MediaType.IMAGE_JPEG_VALUE)
publicbyte[]get(@PathVariable("bucketName")StringbucketName,@PathVariable("category")Stringcategory,
@PathVariable("objectName")StringobjectName,
@PathVariable("fileName")StringfileName)throwsException{
returnfileService.getFile(bucketName,category,objectName);
}

@GetMapping("/download/{bucketName}/{category}/{objectName}/{fileName}")
publicvoiddownload(@PathVariable("bucketName")StringbucketName,@PathVariable("category")Stringcategory,
@PathVariable("objectName")StringobjectName,
@PathVariable("fileName")StringfileName,HttpServletResponseresponse)throwsException{
byte[]buffer=fileService.getFile(bucketName,category,objectName);
response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
response.setHeader("Content-disposition","attachment;filename=\""+fileName+"\"");
response.getOutputStream().write(buffer);
response.flushBuffer();
response.getOutputStream().close();
}

@PostMapping("/upload/{bucketName}/{category}")
publicStringupload(@PathVariable("bucketName")StringbucketName,@PathVariable("category")Stringcategory,
@RequestParam("file")MultipartFilefile)throwsException{
StringobjectName=UUID.randomUUID().toString();
fileService.storeFile(bucketName,category,objectName,file.getBytes());
returnString.format("image/get/%s/%s/%s/%s",bucketName,category,objectName,file.getOriginalFilename());
}
}

FilesController.java

@RestController
@RequestMapping("/files")
@Slf4j
@CrossOrigin(origins="*")
publicclassFilesController{

@Autowired
privateFileServicefileService;

@GetMapping("/download/{bucketName}/{category}/{objectName}/{fileName}")
publicvoiddownload(@PathVariable("bucketName")StringbucketName,@PathVariable("category")Stringcategory,
@PathVariable("objectName")StringobjectName,@PathVariable("fileName")StringfileName,HttpServletResponseresponse)throwsException{
byte[]buffer=fileService.getFile(bucketName,category,objectName);
response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
response.setHeader("Content-disposition","attachment;filename=\""+fileName+"\"");
response.getOutputStream().write(buffer);
response.flushBuffer();
response.getOutputStream().close();
}

@PostMapping("/upload/{bucketName}/{category}")
publicStringupload(@PathVariable("bucketName")StringbucketName,@PathVariable("category")Stringcategory,
@RequestParam("file")MultipartFilefile)throwsException{
StringobjectName=UUID.randomUUID().toString();
fileService.storeFile(bucketName,category,objectName,file.getBytes());
returnString.format("files/download/%s/%s/%s/%s",bucketName,category,objectName,file.getOriginalFilename());
}
}

upload.html





Uploadfiletest

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基于Java写minio客户端实现上传下载文件

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