pom

        <dependency>
            <groupId>net.oschina.zcx7878</groupId>
            <artifactId>fastdfs-client-java</artifactId>
        </dependency>

配置文件

xuecheng:
  fastdfs:
    connect_timeout_in_seconds: 5
    network_timeout_in_seconds: 30
    charset: UTF-8
    tracker_servers: 192.168.108.100:22122 #多个 trackerServer中间以逗号分隔

配置类

@Configuration
public class FastDfsConfig {

    @Value("${xuecheng.fastdfs.tracker_servers}")
    String tracker_servers;
    @Value("${xuecheng.fastdfs.connect_timeout_in_seconds}")
    int connect_timeout_in_seconds;
    @Value("${xuecheng.fastdfs.network_timeout_in_seconds}")
    int network_timeout_in_seconds;
    @Value("${xuecheng.fastdfs.charset}")
    String charset;

    @Bean
    public TrackerClient trackerClient() {
        try {
            ClientGlobal.initByTrackers(tracker_servers);
            ClientGlobal.setG_connect_timeout(connect_timeout_in_seconds);
            ClientGlobal.setG_network_timeout(network_timeout_in_seconds);
            ClientGlobal.setG_charset(charset);
            TrackerClient trackerClient = new TrackerClient();
            return trackerClient;
        } catch (Exception e) {
            e.printStackTrace();
            ExceptionCast.cast(FileSystemCode.FS_UPLOADFILE_SERVERFAIL);
        }
        return null;

    }
}

上传方法

    @Autowired
    TrackerClient trackerClient;
    public String upload_file(MultipartFile file) {
        try {
            TrackerServer trackerServer = trackerClient.getConnection();
            StorageServer storeStorage = trackerClient.getStoreStorage(trackerServer);
            StorageClient1 storageClient1 = new StorageClient1(trackerServer, storeStorage);
            String originalFilename = file.getOriginalFilename();
            String extName = originalFilename.substring(originalFilename.lastIndexOf(".") + 1);
            String fileid = storageClient1.upload_file1(file.getBytes(), extName, null);
            return fileid;
        } catch (Exception e) {
            e.printStackTrace();
            ExceptionCast.cast(FileSystemCode.FS_UPLOADFILE_SERVERFAIL);
        }
        return null;
    }