leyou_06_图片上传至FastDFS

1.推荐一个开源的FastDFS客户端，支持最新的SpringBoot2.0。配置使用极为简单，支持连接池，支持自动生成缩略图

　　1.1 在文件上传的微服务中引入依赖

<dependency>

    <groupId>com.github.tobato</groupId>

    <artifactId>fastdfs-client</artifactId>

    <version>1.26.</version>

</dependency>

　　1.2引入配置启动类

@Configuration

@Import(FdfsClientConfig.class)

// 解决jmx重复注册bean的问题

@EnableMBeanExport(registration = RegistrationPolicy.IGNORE_EXISTING)

public class FastClientImporter {

}

　　1.3配置Fast的属性

fdfs:

  so-timeout: 1501

  connect-timeout: 601

  thumb-image: # 缩略图

    width: 60

    height: 60

  tracker-list: # tracker地址

    - 192.168.56.101:22122

　　1.4测试（测试的包名要和java中的包名一致哦）

@RunWith(SpringRunner.class)

@SpringBootTest

public class FdfsTest {

    @Autowired

    private FastFileStorageClient storageClient;

    @Autowired

    private ThumbImageConfig thumbImageConfig;

    @Test

    public void testUpload() throws FileNotFoundException {

        File file = new File("D:\\test\\baby.png");

        // 上传并且生成缩略图

        StorePath storePath = this.storageClient.uploadFile(

                new FileInputStream(file), file.length(), "png", null);

        // 带分组的路径

        System.out.println(storePath.getFullPath());

        // 不带分组的路径

        System.out.println(storePath.getPath());

    }

    @Test

    public void testUploadAndCreateThumb() throws FileNotFoundException {

        File file = new File("D:\\test\\baby.png");

        // 上传并且生成缩略图

        StorePath storePath = this.storageClient.uploadImageAndCrtThumbImage(

                new FileInputStream(file), file.length(), "png", null);

        // 带分组的路径

        System.out.println(storePath.getFullPath());

        // 不带分组的路径

        System.out.println(storePath.getPath());

        // 获取缩略图路径

        String path = thumbImageConfig.getThumbImagePath(storePath.getPath());

        System.out.println(path);

    }

}

　　配置上传文件大小的限制

#配置最大上传图片大小

    client_max_body_size 10m;

　　1.5测试成功

group1/M00/00/00/wKg4ZVro5eCAZEMVABfYcN8vzII630.png

M00/00/00/wKg4ZVro5eCAZEMVABfYcN8vzII630.png

M00/00/00/wKg4ZVro5eCAZEMVABfYcN8vzII630_60x60.png

2.修改文件上传Service

@Service

@Slf4j
//获得配置文件类

@EnableConfigurationProperties(UploadProperties.class)

public class UploadService {

    @Autowired

    private UploadProperties properties;

    @Autowired

    private FastFileStorageClient storageClient;

    //private static  final List<String> ALLOW_TYPES= Arrays.asList("image/jpeg","image/png");

    public String uploadImg(MultipartFile file) {

        try {

            //检验文件的类型 防止恶意文件

            String contentType = file.getContentType();

            if (!properties.getAllowTypes().contains(contentType)){

                throw  new LyException(ExceptionEnum.INVALID_FILE_TYPE);

            };

            //校验文件的内容

            BufferedImage image = ImageIO.read(file.getInputStream());

            if (image==null){

                throw  new LyException(ExceptionEnum.INVALID_FILE_TYPE);

            }

            //保存文件到本地

            //File local = new File("F:\\javaee\\IdeaResource\\uploadImg\\",file.getOriginalFilename());

            // file.transferTo(local);

            String suffix= StringUtils.substringAfterLast(file.getOriginalFilename(),".");

            StorePath storePath = storageClient.uploadFile(file.getInputStream(), file.getSize(), suffix, null);

            //返回文件地址

            return properties.getBaseUrl()+storePath.getFullPath();

        } catch (IOException e) {

            log.error("[文件上传] 上传文件失败",e);

            throw  new LyException(ExceptionEnum.UPLOAD_FILE_ERROR);

        }

    }

}

　　2.1配置文件类从 application.yaml中读取参数

@Data
//加载带有ly.upload前缀的配置文件属性

@ConfigurationProperties(prefix = "ly.upload")

public class UploadProperties {

    private  String baseUrl;

    private List<String> allowTypes;

}

　　2.2配置文件application.yaml

server:

  port: 8082

  servlet:

    session:

      cookie:

        http-only:

spring:

  application:

    name: upload-service

  servlet:

    multipart:

    #最大上传文件

      max-file-size: 5MB

    #每次请求上传文件总和最大限制

      max-request-size: 10MB

eureka:

  client:

    service-url:

      defaultZone: http://127.0.0.1:10086/eureka

  instance:

    ip-address: 127.0.0.1

    prefer-ip-address: true

fdfs:

  so-timeout: 2500

  connect-timeout: 600

  thumb-image: # 缩略图

    width: 60

    height: 60

  tracker-list: # tracker地址

     - 192.168.98.128:22122

ly:

  upload:

    baseUrl: http://image.leyou.com/

    allowTypes:

      - image/jpeg

      - image/png

      - image/bmp

　　2.3会被读取到配置文件类中去

ly:

  upload:

    baseUrl: http://image.leyou.com/

    allowTypes:

      - image/jpeg

      - image/png

      - image/bmp

测试成功

巴特西

leyou_06_图片上传至FastDFS

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