Springboot集成Minio实现文件上传基本步骤

        <dependency>
            <groupId>io.minio</groupId>
            <artifactId>minio</artifactId>
            <version>8.2.1</version>
            <exclusions>
                <exclusion>
                    <groupId>com.squareup.okhttp3</groupId>
                    <artifactId>okhttp</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.jetbrains.kotlin</groupId>
                    <artifactId>kotlin-stdlib</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>4.9.0</version>
        </dependency>

yaml
minio:
  endpoint: http://localhost:9000  # MinIO服务地址
  access-key: your-access-key        # 访问密钥
  secret-key: your-secret-key        # 秘密密钥
  bucket-name: your-bucket-name      # 默认存储桶名称

import io.minio.MinioClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class MinIOConfig {
    @Value("${minio.endpoint}")
    private String endpoint;
    @Value("${minio.access-key}")
    private String accessKey;
    @Value("${minio.secret-key}")
    private String secretKey;
    @Bean
    public MinioClient minioClient() {
        return MinioClient.builder()
                .endpoint(endpoint)
                .credentials(accessKey, secretKey)
                .build();
    }
}

public String upload(MultipartFile file) throws Exception {
        // 检查存储桶是否存在，不存在则创建
        boolean isExist = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
        if (!isExist) {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
        }
    // 生成唯一文件名，避免中文和空格
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + "." +
                originalFilename.substring(originalFilename.lastIndexOf(".") + 1);
        // 1. 上传文件到MinIO
        minioClient.putObject(
                PutObjectArgs.builder()
                        .bucket(bucketName)
                        .object(fileName)
                        .stream(file.getInputStream(), file.getSize(), -1)
                        .contentType(file.getContentType())
                        .build()
        );
        return  url + "/" + bucketName + "/" + fileName;
    }

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
@RestController
public class FileUploadController {
    @Autowired
    private MinioServiceImpl minioService;