目录

• 5.3 接口开发-上传附件
  • 5.3.1 接口文档
  • 5.3.2 代码实现
  • 5.3.3 接口测试

5.3 接口开发-上传附件

第2-1-2章 传统方式安装FastDFS-附FastDFS常用命令
第2-1-3章 docker-compose安装FastDFS,实现文件存储服务
第2-1-5章 docker安装MinIO实现文件存储服务-springboot整合minio-minio全网最全的资料

全套代码及资料全部完整提供，点此处下载

5.3.1 接口文档

上传附件接口要完成的操作主要有两个：

• 将客户端提交的文件上传到指定存储位置（具体存储位置由配置文件配置的存储策略确定）
• 将上传的文件信息保存到数据库的pd_attachment表中

接口文档如下：

5.3.2 代码实现

第一步：创建AttachmentController并提供文件上传方法

package com.itheima.pinda.file.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.pinda.base.BaseController;
import com.itheima.pinda.base.R;
import com.itheima.pinda.file.dto.AttachmentDTO;
import com.itheima.pinda.file.dto.AttachmentRemoveDTO;
import com.itheima.pinda.file.dto.AttachmentResultDTO;
import com.itheima.pinda.file.dto.FilePageReqDTO;
import com.itheima.pinda.file.entity.Attachment;
import com.itheima.pinda.file.service.AttachmentService;
import com.itheima.pinda.utils.BizAssert;
import io.swagger.annotations.*;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;
import static com.itheima.pinda.exception.code.ExceptionCode.BASE_VALID_PARAM;
import static java.util.stream.Collectors.groupingBy;
/**
 * 附件处理控制器
 */
@RestController
@RequestMapping("/attachment")
@Slf4j
@Api(value = "附件", tags = "附件")
public class AttachmentController extends BaseController {
    @Autowired
    private AttachmentService attachmentService;

    /**
     * 上传附件
     */
    @ApiOperation(value = "附件上传", notes = "附件上传")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "isSingle", value = "是否单文件", dataType = "boolean", paramType = "query"),
            @ApiImplicitParam(name = "id", value = "文件id", dataType = "long", paramType = "query"),
            @ApiImplicitParam(name = "bizId", value = "业务id", dataType = "long", paramType = "query"),
            @ApiImplicitParam(name = "bizType", value = "业务类型", dataType = "long", paramType = "query"),
            @ApiImplicitParam(name = "file", value = "附件", dataType = "MultipartFile", allowMultiple = true, required = true),
    })
    @PostMapping(value = "/upload")
    public R<AttachmentDTO> upload(
            @RequestParam(value = "file") MultipartFile file,
            @RequestParam(value = "isSingle", required = false, defaultValue = "false") Boolean isSingle,
            @RequestParam(value = "id", required = false) Long id,
            @RequestParam(value = "bizId", requi