FastDFS文件上传

maven依赖

<!-- 文件上传组件 -->
<dependency>
  <groupId>commons-fileupload</groupId>
  <artifactId>commons-fileupload</artifactId>
</dependency>

spring引入配置文件

<context:property-placeholder location="classpath:config/sysconfig.properties" />

sysconfig.properties文件

TRACKER_PATH=classpath:config/tracker.conf
IMAGE_DOMAIN=http://*.*.*.*/

tracker.conf文件

tracker_server=*.*.*.*:22122

spring中添加bean

<!--文件上传解析器 id不能变-->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="UTF-8"></property>
        <!--设定文件最大上传值5MB 5*1024*1024-->
        <property name="maxUploadSize" value="5242800"></property>
    </bean>

文件上传

@RestController
@RequestMapping("/uploadfile")
public class UploadController {
    /*
    * 文件上传
    * */
    @Value("${TRACKER_PATH}")
    private String TRACKER_PATH;
    @Value("${IMAGE_DOMAIN}")
    private  String IMAGE_DOMAIN;
    @RequestMapping(value = "/upload",method = RequestMethod.POST)
    public Result upload(MultipartFile file) throws  Exception{
       //获取文件名
        String originalFilename = file.getOriginalFilename();
        //截取后缀
        //originalFilename.substring(originalFilename.lastIndexOf('.'),originalFilename.length());
        //获取扩展名
        String filenameExtension = StringUtils.getFilenameExtension(originalFilename);
        //获取文件的字节数组
        byte []bytes=file.getBytes();
        //FastDFS
        //tracker配置信息 文件本地路径
        String[] upload = UploadUtil.upload(TRACKER_PATH, bytes, filenameExtension);
        //获取图片访问地址
        String url=IMAGE_DOMAIN+upload[0]+"/"+upload[1];
        return new Result(true,url);
    }
}