分享一个快速使用springboot整合minio实现文件上传和下载的示例。前提是已经安装并运行minio服务,参考 minio快速入门文档
首先添加Minio的依赖
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<dependency> <groupId>io.minio</groupId> <artifactId>minio</artifactId> <version> 3.0 . 10 </version> </dependency> |
然后写一个controller类
这只是一个简单的demo,没有进行任何的封装,可以根据实际情况进行封装。
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package com.file.server.controller; import io.minio.MinioClient; import org.apache.tomcat.util.http.fileupload.IOUtils; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletResponse; import java.io.InputStream; @RestController public class MinioController { private static String url = "http://127.0.0.1:9000" ; //minio服务的IP端口 private static String accessKey = "W2ZWITFFDWFM5TWS3WI9" ; private static String secretKey = "dNx++XsRJpjmWVQHWv8djMCFJ0A3YXbEr4qfKHR+" ; //上传文件到minio服务 @PostMapping ( "upload" ) public String upload( @RequestParam ( "fileName" ) MultipartFile file ) { try { MinioClient minioClient = new MinioClient(url, accessKey, secretKey); InputStream is= file.getInputStream(); //得到文件流 String fileName = file.getOriginalFilename(); //文件名 String contentType = file.getContentType(); //类型 minioClient.putObject( "file" ,fileName,is,contentType); //把文件放置Minio桶(文件夹) return "上传成功" ; } catch (Exception e){ return "上传失败" ; } } //下载minio服务的文件 @GetMapping ( "download" ) public String download(HttpServletResponse response){ try { MinioClient minioClient = new MinioClient(url, accessKey, secretKey); InputStream fileInputStream = minioClient.getObject( "file" , "test.jpg" ); response.setHeader( "Content-Disposition" , "attachment;filename=" + "test.jpg" ); response.setContentType( "application/force-download" ); response.setCharacterEncoding( "UTF-8" ); IOUtils.copy(fileInputStream,response.getOutputStream()); return "下载完成" ; } catch (Exception e){ return "下载失败" ; } } //获取minio文件的下载地址 @GetMapping ( "url" ) public String getUrl(){ try { MinioClient minioClient = new MinioClient(url, accessKey, secretKey); String url = minioClient.presignedGetObject( "file" , "test.jpg" ); return url; } catch (Exception e){ return "获取失败" ; } } } |
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原文链接:https://blog.csdn.net/weixin_45415885/article/details/102870687