java 阿里云上传照片

获取对象

   @Resource
    private ALiYunConfig aLiYunConfig;
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代码配置类

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * 描述:
 *
 * @author zhaofeng
 * @date 2023-09-05
 */
@Data
@ConfigurationProperties(prefix = "aliyun")
@Component
public class ALiYunConfig {
    /**
     * 阿里云keyId
     */
    private String accessKey ;
    /**
     * 阿里云secret
     */
    private String accessSecret;
    /**
     * 阿里云secret
     */
    private String endpoint;
    /**
     * 阿里云oss上传节点
     */
    private String ossEndpoint;
    /**
     * 阿里云oss Bucket名称
     */
    private String ossBucketName;


}

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yml配置 注意这些参数都是事先配置好的(也就是注册阿里云购买过的获取的参数)

代码controller层

    /**
     * 用户上传图片接口
     *
     * @param file
     */
    @ApiOperation("用户上传图片接口")
    @PostMapping("uploadPicture")
    @ExcludeLogin
    public String uploadPicture(@RequestParam(name = "file") MultipartFile file) {
        return iPlatformPictureService.uploadPicture(file);
    }
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代码service层

   @Resource
    private ALiYunConfig aLiYunConfig;

    /**
     * 图片上传到阿里云
     *
     * @param file
     * @return
     */
    @Override
    public String uploadPicture(MultipartFile file) {
        //源文件名称
        String fileName = file.getOriginalFilename();
        //获取后缀
        String suffixName = fileName.contains(".") ? fileName.substring(fileName.lastIndexOf(".") + 1) : null;
        //校验图片格式
        if (StringUtils.isBlank(suffixName)) {
            throw new BusinessException(PlatformResultCode.PICTURE_ERROR);
        }
        List suffix = Arrays.asList("PNG", "JPG", "JPEG");
        if (!suffix.contains(suffixName.toUpperCase())) {
            throw new BusinessException(PlatformResultCode.PICTURE_ERROR);
        }
        //校验图片大小  校验图片大小
        long size = file.getSize();
        int sizeKb = (int) ((size / 1024) + 1);
        //从缓存中获取图片大小的配置
        int configValue = platformConfigExport.getConfigInteger(PlatformConfigEnum.PICTURE_SIZE);
        if (sizeKb > configValue) {
            throw new BusinessException(PlatformResultCode.PICTURE_MAX, configValue / 1024);
        }
        //拼接文件夹以及文件名称
        String today = DateUtils.today();
        String name = today + "/" + UUIDUtils.getUUID() + "." + suffixName;
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = aLiYunConfig.getOssEndpoint();
        // 填写Bucket名称，例如examplebucket。
        String bucketName = aLiYunConfig.getOssBucketName();
        OSS ossClient = new OSSClientBuilder().build(endpoint, aLiYunConfig.getAccessKey(), aLiYunConfig.getAccessSecret());
        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, name, file.getInputStream());
            // 上传文件
            PutObjectResult result = ossClient.putObject(putObjectRequest);
        } catch (Exception e) {
            log.error("PlatformPictureServiceImpl.uploadPicture; 用户上传图片失败,大小:{}Kb,", sizeKb, e);
            throw new BusinessException(PlatformResultCode.UPLOAD_PICTURE_ERROR);
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        //返回路径，该路径在浏览器访问可以下载
        return "https://" + aLiYunConfig.getOssBucketName() + "." + endpoint + File.separator + name;
    }
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