使用fastDFS上传和下载,依赖的jar包

    <dependency>
        <groupId>org.csource.fastdfs</groupId>
        <artifactId>fastdfs</artifactId>
        <version>1.2</version>
    </dependency>

  <dependency>
        <groupId>commons-fileupload</groupId>
        <artifactId>commons-fileupload</artifactId>
        <version>${commons-fileupload.version}</version>
    </dependency>