<!--阿里云 oss的依赖-->
<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>3.15.1</version>
</dependency>
<!--消除@ConfigurationProperties(prefix = "aliyun.oss")注解下警告信息，需要添加依赖-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-configuration-processor</artifactId>
    <optional>true</optional>
</dependency>

@Slf4j
@RestController
@RequestMapping("/common")
public class AliOSSController {
    @Autowired
    private AliOSSUtils aliOSSUtils;

    @PostMapping("/upload")
    public R<String> upload(@RequestParam("file")MultipartFile file){
        log.info("上传的文件名为：{}",file.getOriginalFilename());
        String url;
        try {
            url = aliOSSUtils.upload(file);
        } catch (IOException e) {
            throw new FileUploadException("文件上传失败");
        }
        log.info("文件上传成功的路径地址为：{}",url);
        //直接将存储图片的url路径返回
        return R.success(url);
    }
}

/**
 * 阿里云 OSS 工具类
 */
@Component
public class AliOSSUtils {
    //获取注入AliOSSProperties 的Bean对象
    @Autowired
    private AliOSSProperties aliOSSProperties;
    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file) throws IOException {

        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();
        String endPoint = aliOSSProperties.getEndPoint();

        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endPoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径        
        String url = endPoint.split("//")[0] + "//" + bucketName + "." + endPoint.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }

}

@Data
@Component
@ConfigurationProperties(prefix = "aliyun.oss") //添加配置信息的前缀
public class AliOSSProperties {
    private String endPoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
}

aliyun:
  oss:
    # 这里我使用的是杭州华东区域一
    endPoint: https://oss-cn-hangzhou.aliyuncs.com
    accessKeyId: yourAccessKeyId
    accessKeySecret: yourAccessKeySecret
    bucketName: yourBucketName

handleAvatarSuccess (response, file, fileList) {
       /*this.imageUrl = `/common/download?name=${response.data}`*/
       /*换为云存储后，后端响应的数据就是url，直接进行回显，不需要再从本地读取回显*/
       this.imageUrl = `${response.data}`
},