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本节内容我们主要介绍一下如何在springboot项目中集成fastdfs组件#xff0c;实现文件的上传与下载。关于fastdfs服务中间键的安装过程#xff0c;本节内容不做介绍。fastdfs是一个轻量级的分布式文件系统#xff0c;也是我们文件存储中常常使用的组件之一#xff0c…前言
本节内容我们主要介绍一下如何在springboot项目中集成fastdfs组件实现文件的上传与下载。关于fastdfs服务中间键的安装过程本节内容不做介绍。fastdfs是一个轻量级的分布式文件系统也是我们文件存储中常常使用的组件之一主要包括文件存储、文件同步、文件访问实现了文件存储和负载均衡的问题。
正文
①引入fastdfs客户端的maven依赖
dependencygroupIdcom.github.tobato/groupIdartifactIdfastdfs-client/artifactIdversion1.27.2/version
/dependency ②在application.yml配置fastdfs的属性参数值
fdfs:so-timeout: 1501 # 超时时间connect-timeout: 601 # 连接超时时间tracker-list: # tracker地址你的虚拟机服务器地址端口默认是22122- 125.27.107.218:22122 ③引入fastdfs客户端组件交由spring管理
package com.ht.atp.plat.config;import com.github.tobato.fastdfs.FdfsClientConfig;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableMBeanExport;
import org.springframework.context.annotation.Import;
import org.springframework.jmx.support.RegistrationPolicy;Configuration
Import(FdfsClientConfig.class)
EnableMBeanExport(registration RegistrationPolicy.IGNORE_EXISTING)
public class FastDfsConfig {} ④创建springboot文件上传与下载的控制层接口FdfsRecordController.class
package com.ht.atp.plat.controller;import com.ht.atp.plat.common.Result;
import com.ht.atp.plat.service.FdfsRecordService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;Api(tags {文件管理})
RestController
RequestMapping(/v1/fdfs/record)
public class FdfsRecordController {Autowiredprivate FdfsRecordService fdfsRecordService;ApiOperation(value 文件上传)PostMapping(value uploadFile)public ResultString uploadFile(ApiParam(name file, value 上传的文件)RequestParam(value file) MultipartFile file) {String url fdfsRecordService.uploadFile(file);return Result.success(url);}ApiOperation(value 文件下载)GetMapping(value downloadFile)public ResultString downloadFile(ApiParam(name url, value 下载地址)RequestParam(value url) String url) {String data fdfsRecordService.downloadFile(url);return Result.success(data);}}⑤创建springboot文件上传与下载的业务接口层FdfsRecordService.class
package com.ht.atp.plat.service;import com.baomidou.mybatisplus.extension.service.IService;
import com.ht.atp.plat.entity.FdfsRecord;
import org.springframework.web.multipart.MultipartFile;public interface FdfsRecordService extends IServiceFdfsRecord {/*** 上传文件** param file* return*/String uploadFile(MultipartFile file);/*** 文件下载* param url* return*/String downloadFile(String url);
} ⑥创建springboot文件上传与下载的业务接口实现层FdfsRecordServiceImpl.class
package com.ht.atp.plat.service.impl;import cn.hutool.core.codec.Base64;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.tobato.fastdfs.domain.fdfs.StorePath;
import com.github.tobato.fastdfs.domain.proto.storage.DownloadByteArray;
import com.github.tobato.fastdfs.service.FastFileStorageClient;
import com.ht.atp.plat.entity.FdfsRecord;
import com.ht.atp.plat.exception.BusinessException;
import com.ht.atp.plat.mapper.FdfsRecordMapper;
import com.ht.atp.plat.service.FdfsRecordService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.time.LocalDateTime;Service
public class FdfsRecordServiceImpl extends ServiceImplFdfsRecordMapper, FdfsRecord implements FdfsRecordService {Autowiredprivate FastFileStorageClient storageClient;Overridepublic String uploadFile(MultipartFile file) {try {BufferedImage bufferedImage ImageIO.read(file.getInputStream());if (bufferedImage null) {throw new BusinessException(文件内容不合法无法上传);}String fileName file.getOriginalFilename();String suffix ;if (StringUtils.isNotEmpty(fileName)) {String[] splitFileName fileName.split(\\.);if (splitFileName ! null splitFileName.length 1) {suffix splitFileName[splitFileName.length - 1];}}FdfsRecord fdfsRecord new FdfsRecord();fdfsRecord.setModifyTime(LocalDateTime.now());fdfsRecord.setCreateTime(LocalDateTime.now());fdfsRecord.setSuffixName(suffix);fdfsRecord.setName(fileName);StorePath storePath this.storageClient.uploadFile(file.getInputStream(), file.getSize(), suffix, null);fdfsRecord.setUrl(storePath.getFullPath());baseMapper.insert(fdfsRecord);return storePath.getFullPath();} catch (Exception e) {throw new BusinessException(文件上传服务异常请稍后重试);}}Overridepublic String downloadFile(String url) {String group url.substring(0, url.indexOf(/));String path url.substring(url.indexOf(/) 1);DownloadByteArray byteArray new DownloadByteArray();byte[] data this.storageClient.downloadFile(group, path, byteArray);String encodeData Base64.encode(data);return encodeData;}
}⑦创建springboot文件资源信息存储的持久化层FdfsRecordMapper.class实现文件资源信息的持久化存储
package com.ht.atp.plat.mapper;import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ht.atp.plat.entity.FdfsRecord;public interface FdfsRecordMapper extends BaseMapperFdfsRecord {}⑧创建springboot文件资源信息存储的持久化层FdfsRecordMapper.xml实现文件资源信息的持久化存储
?xml version1.0 encodingUTF-8?
!DOCTYPE mapper PUBLIC -//mybatis.org//DTD Mapper 3.0//EN http://mybatis.org/dtd/mybatis-3-mapper.dtd
mapper namespacecom.ht.atp.plat.mapper.FdfsRecordMapper/mapper⑨创建springboot文件资源信息存储的实体类FdfsRecord.class
package com.ht.atp.plat.entity;import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.Setter;import java.io.Serializable;
import java.time.LocalDateTime;Getter
Setter
TableName(fdfs_record)
ApiModel(value FdfsRecord对象, description )
public class FdfsRecord implements Serializable {private static final long serialVersionUID 1L;ApiModelProperty(主键ID)TableId(value id, type IdType.ASSIGN_ID)private String id;ApiModelProperty(业务ID)TableField(business_id)private String businessId;ApiModelProperty(服务名称)TableField(service_name)private String serviceName;ApiModelProperty(文件名称)TableField(name)private String name;ApiModelProperty(文件地址)TableField(url)private String url;ApiModelProperty(后缀名称)TableField(suffix_name)private String suffixName;ApiModelProperty(创建时间)TableField(create_time)private LocalDateTime createTime;ApiModelProperty(创建人)TableField(create_user)private String createUser;ApiModelProperty(修改时间)TableField(modify_time)private LocalDateTime modifyTime;ApiModelProperty(修改人)TableField(modify_user)private String modifyUser;}⑩ 使用swagger测试文件上传功能 ⑪使用swagger测试文件下载功能 结语
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