VUE + SpringBoot 使用阿里云OSS

首先创建一个阿里云oss，记住其中的的AccessKey和id还有bucketname，可以在右上角的AccessKey管理中查看

1.配置pom依赖

<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>3.15.1</version>
</dependency>
<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.4</version>
</dependency>
<dependency>
    <groupId>commons-beanutils</groupId>
    <artifactId>commons-beanutils</artifactId>
    <version>1.9.3</version>
</dependency>

2.在application写入oss配置信息

alioss:
  endpoint: 地址
  access-key-id: id
  access-key-secret: key
  bucket-name:仓库名

3.创建一个properties用于获取写在application中的oss配置信息

@Component
@ConfigurationProperties(prefix = "alioss")
@Data
public class AliOssProperties {
    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
}

4.创建一个AliOssUtil

@Data
@AllArgsConstructor
@Slf4j
public class AliOssUtil {
    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;

    public String upload(byte[] bytes,String objectName){
        //创建osslient实例
        OSS ossClient = new OSSClientBuilder().build(endpoint,accessKeyId,accessKeySecret);

        try {
            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, new ByteArrayInputStream(bytes));
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }

        //文件访问路径规则 https://BucketName.Endpoint/ObjectName
        StringBuilder stringBuilder = new StringBuilder("https://");
        stringBuilder
                .append(bucketName)
                .append(".")
                .append(endpoint)
                .append("/")
                .append(objectName);

        log.info("文件上传到:{}", stringBuilder.toString());

        return stringBuilder.toString();
    }

}

5.创建一个OssConfiguration配置类，用于配置AliOssUtil，注意这里需要在工具类对象后面加上{}，否则控制台不会输出工具类对象属性！

@Configuration
@Slf4j
public class OssConfiguration {
    @Bean
    @ConditionalOnMissingBean
    public AliOssUtil aliOssUtil(AliOssProperties aliOssProperties){
        log.info("开始创建阿里云文件上传工具类对象:{}",aliOssProperties);   
        return new AliOssUtil(aliOssProperties.getEndpoint(),
                aliOssProperties.getAccessKeyId(),
                aliOssProperties.getAccessKeySecret(),
                aliOssProperties.getBucketName());
    }
}

6.最后controller

@Autowired
private AliOssUtil aliOssUtil;
@PostMapping("/upImg")
public Result<String> upImg(MultipartFile file){
    log.info("文件上传,{}",file);
    try {
        //原始文件名
        String originalFilename = file.getOriginalFilename();
        //截取原文件名后缀   demo.exe
        String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
        //构建新文件名
        String objectName = UUID.randomUUID().toString() + extension;
        //文件的请求路径
        String filePath = aliOssUtil.upload(file.getBytes(), objectName);
        return Result.success(filePath);
    }catch (Exception e){
        log.error("文件上传失败,{}",e);
    }

    return Result.error("文件上传失败");
}