本文主要是介绍minio基本使用,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
直接docker润起来(其实是我用服务器运行一早上,没成功.......................)
docker run \-p 9000:9000 \-p 9001:9001 \--user $(id -u):$(id -g) \--name minio1 \-e "MINIO_ROOT_USER=ROOTUSER" \-e "MINIO_ROOT_PASSWORD=CHANGEME123" \-v ${HOME}/minio/data:/data \quay.io/minio/minio server /data --console-address ":9001"9000是上传和下载的地址,就是提供给其他服务调用的地址。
9001是minio的管理页面的地址,在上面可以管理minio:
然后就是java调用:
配置:
server:port: 8001 minio:endpoint: http://192.168.126.134:9000 #Minio地址bucketName: backupstest #堆名accessKey: ROOTUSER #namesecretKey: CHANGEME123 #密码config文件:
package com.example.miniodome.comfig;import io.minio.MinioClient; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration;@Data @Configuration @ConfigurationProperties(prefix = "minio") public class MinioConfig {private String endpoint;private String accessKey;private String secretKey;private String bucketName;@Beanpublic MinioClient minioClient() {return MinioClient.builder().endpoint(endpoint).credentials(accessKey, secretKey).build();} }package com.example.miniodome.util;import com.example.miniodome.comfig.MinioConfig; import io.micrometer.common.util.StringUtils; import io.minio.*; import io.minio.http.Method; import io.minio.messages.Bucket; import io.minio.messages.Item; import jakarta.annotation.Resource; import jakarta.servlet.ServletOutputStream; import jakarta.servlet.http.HttpServletResponse; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import org.springframework.util.FastByteArrayOutputStream; import org.springframework.web.multipart.MultipartFile;import java.time.LocalDate; import java.util.ArrayList; import java.util.List; import java.util.UUID;@Component @Slf4j public class MinioUtil {@Autowiredprivate MinioConfig prop;@Resourceprivate MinioClient minioClient;/*** 查看存储bucket是否存在** @return boolean*/public Boolean bucketExists(String bucketName) {Boolean found;try {found = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());} catch (Exception e) {e.printStackTrace();return false;}return found;}/*** 创建存储bucket** @return Boolean*/public Boolean makeBucket(String bucketName) {try {minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());} catch (Exception e) {e.printStackTrace();return false;}return true;}/*** 删除存储bucket** @return Boolean*/public Boolean removeBucket(String bucketName) {try {minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());} catch (Exception e) {e.printStackTrace();return false;}return true;}/*** 获取全部bucket*/public List<Bucket> getAllBuckets() {try {List<Bucket> buckets = minioClient.listBuckets();return buckets;} catch (Exception e) {e.printStackTrace();}return null;}/*** 文件上传** @param file 文件* @return Boolean*/public String upload(MultipartFile file) {String originalFilename = file.getOriginalFilename();if (StringUtils.isBlank(originalFilename)) {throw new RuntimeException();}String fileName = UUID.randomUUID() + originalFilename.substring(originalFilename.lastIndexOf("."));String objectName = LocalDate.now().toString() + fileName;try {PutObjectArgs objectArgs = PutObjectArgs.builder().bucket(prop.getBucketName()).object(objectName).stream(file.getInputStream(), file.getSize(), -1).contentType(file.getContentType()).build();//文件名称相同会覆盖minioClient.putObject(objectArgs);} catch (Exception e) {e.printStackTrace();return null;}return objectName;}public static void main(String[] args) {System.out.println(UUID.randomUUID());}/*** 预览图片** @param fileName* @return*/public String preview(String fileName) {// 查看文件地址GetPresignedObjectUrlArgs build = new GetPresignedObjectUrlArgs().builder().bucket(prop.getBucketName()).object(fileName).method(Method.GET).build();try {String url = minioClient.getPresignedObjectUrl(build);return url;} catch (Exception e) {e.printStackTrace();}return null;}/*** 文件下载** @param fileName 文件名称* @param res response* @return Boolean*/public void download(String fileName, HttpServletResponse res) {GetObjectArgs objectArgs = GetObjectArgs.builder().bucket(prop.getBucketName()).object(fileName).build();try (GetObjectResponse response = minioClient.getObject(objectArgs)) {byte[] buf = new byte[1024];int len;try (FastByteArrayOutputStream os = new FastByteArrayOutputStream()) {while ((len = response.read(buf)) != -1) {os.write(buf, 0, len);}os.flush();byte[] bytes = os.toByteArray();res.setCharacterEncoding("utf-8");// 设置强制下载不打开// res.setContentType("application/force-download");res.addHeader("Content-Disposition", "attachment;fileName=" + fileName);try (ServletOutputStream stream = res.getOutputStream()) {stream.write(bytes);stream.flush();}}} catch (Exception e) {e.printStackTrace();}}/*** 查看文件对象** @return 存储bucket内文件对象信息*/public List<Item> listObjects() {Iterable<Result<Item>> results = minioClient.listObjects(ListObjectsArgs.builder().bucket(prop.getBucketName()).build());List<Item> items = new ArrayList<>();try {for (Result<Item> result : results) {items.add(result.get());}} catch (Exception e) {e.printStackTrace();return null;}return items;}/*** 删除** @param fileName* @return* @throws Exception*/public boolean remove(String fileName) {try {minioClient.removeObject(RemoveObjectArgs.builder().bucket(prop.getBucketName()).object(fileName).build());} catch (Exception e) {return false;}return true;}}package com.example.miniodome.util;import lombok.Data;/*** @program: springCloudAlibaba* @author: quxiao* @create: 2024-03-07 17:21**/ @Data public class MyResult<T> {private static final String SUCCESS_CODE = "200";private static final String SUCCESS_MSG = "操作成功";private static final String FALL_CODE = "500";private static final String FALL_MSG = "操作失败";private String msgName;private String msgCode;private Boolean status;private T data;public static MyResult success(Object data) {MyResult result = new MyResult();result.setData(data);result.setStatus(true);result.setMsgCode(SUCCESS_CODE);result.setMsgName(SUCCESS_MSG);return result;}public static MyResult success() {MyResult result = new MyResult();result.setStatus(true);result.setMsgCode(SUCCESS_CODE);result.setMsgName(SUCCESS_MSG);return result;}public static MyResult fail() {MyResult result = new MyResult();result.setStatus(false);result.setMsgCode(FALL_CODE);result.setMsgName(FALL_MSG);return result;}public static MyResult fail(Object data) {MyResult result = new MyResult();result.setStatus(false);result.setMsgCode(FALL_CODE);result.setMsgName(FALL_MSG);result.setData(data);return result;} }package com.example.miniodome.controller;import com.example.miniodome.comfig.MinioConfig; import com.example.miniodome.util.MinioUtil; import com.example.miniodome.util.MyResult; import io.minio.messages.Bucket; import jakarta.servlet.http.HttpServletResponse; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile;import java.util.List;//@Api(tags = "文件相关接口") @Slf4j @RestController public class FileController {@Autowiredprivate MinioUtil minioUtil;@Autowiredprivate MinioConfig prop;// @ApiOperation(value = "查看存储bucket是否存在")@GetMapping("/bucketExists")public MyResult bucketExists(String bucketName) {return MyResult.success(minioUtil.bucketExists(bucketName));}// @ApiOperation(value = "创建存储bucket")@GetMapping("/makeBucket")public MyResult makeBucket(String bucketName) {minioUtil.makeBucket(bucketName);return MyResult.success();}// @ApiOperation(value = "删除存储bucket")@GetMapping("/removeBucket")public MyResult removeBucket(String bucketName) {minioUtil.removeBucket(bucketName);return MyResult.success();}// @ApiOperation(value = "获取全部bucket")@GetMapping("/getAllBuckets")public MyResult<List<Bucket>> getAllBuckets() {List<Bucket> allBuckets = minioUtil.getAllBuckets();return MyResult.success(allBuckets);}// @ApiOperation(value = "文件上传返回url")@PostMapping("/upload")public MyResult<String> upload(@RequestParam(value = "file") MultipartFile file) {String objectName = minioUtil.upload(file);if (null != objectName) {return MyResult.success(prop.getEndpoint() + "/" + prop.getBucketName() + "/" + objectName);}return MyResult.fail();}// @ApiOperation(value = "图片/视频预览")@GetMapping("/preview")public MyResult preview(@RequestParam("fileName") String fileName) {return MyResult.success(minioUtil.preview(fileName));}// @ApiOperation(value = "文件下载")@GetMapping("/download/{fileName}")public MyResult download(@PathVariable("fileName") String fileName, HttpServletResponse res) {minioUtil.download(fileName, res);return MyResult.success();}// @ApiOperation(value = "删除文件", notes = "根据url地址删除文件")@PostMapping("/delete")public MyResult remove(String url) {String objName = url.substring(url.lastIndexOf(prop.getBucketName() + "/") + prop.getBucketName().length() + 1);minioUtil.remove(objName);return MyResult.success();}}这里可以将提前生成的前缀存入数据库中,对应文件名。
然后调用下载的时候,就将文件名替换为真正的文件名,而不是用来标识准确文件的uuid前缀:
然后另一个就是,可以直接访问minio的资源,调用上传接口返回的url,但是需要在minio控制页面中配置:
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