content: package cn.datax.service.file.controller;
  
  import cn.datax.common.core.JsonPage;
  import cn.datax.common.core.R;
  import cn.datax.service.file.api.entity.FileEntity;
  import cn.datax.service.file.api.query.FileQuery;
  import cn.datax.service.file.api.vo.FileVo;
  import cn.datax.service.file.mapstruct.FileMapper;
  import cn.datax.service.file.service.FileService;
  import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
  import com.baomidou.mybatisplus.core.metadata.IPage;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import io.swagger.annotations.Api;
  import io.swagger.annotations.ApiImplicitParam;
  import io.swagger.annotations.ApiImplicitParams;
  import io.swagger.annotations.ApiOperation;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.bind.annotation.*;
  
  import cn.datax.common.base.BaseController;
  import org.springframework.web.multipart.MultipartFile;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * <p>
   *  前端控制器
   * </p>
   *
   * @author AllDataDC
   * @date 2022-11-17
   */
  @Api(tags = {"文件管理"})
  @RestController
  @RequestMapping("/files")
  public class FileController extends BaseController {
  
      @Autowired
      private FileService fileService;
  
      @Autowired
      private FileMapper fileMapper;
  
      /**
       * 通过ID查询信息
       *
       * @param id
       * @return
       */
      @ApiOperation(value = "获取详细信息", notes = "根据url的id来获取详细信息")
      @ApiImplicitParam(name = "id", value = "ID", required = true, dataType = "String", paramType = "path")
      @GetMapping("/{id}")
      public R getFileById(@PathVariable String id) {
          return R.ok().setData(fileService.getById(id));
      }
  
      /**
       * 分页查询信息
       *
       * @param fileQuery
       * @return
       */
      @ApiOperation(value = "分页查询", notes = "")
      @ApiImplicitParams({
              @ApiImplicitParam(name = "fileQuery", value = "查询实体fileQuery", required = true, dataTypeClass = FileQuery.class)
      })
      @GetMapping("/page")
      public R getFilePage(FileQuery fileQuery) {
          QueryWrapper<FileEntity> queryWrapper = new QueryWrapper<>();
          IPage<FileEntity> page = fileService.page(new Page<>(fileQuery.getPageNum(), fileQuery.getPageSize()), queryWrapper);
          List<FileVo> collect = page.getRecords().stream().map(fileMapper::toVO).collect(Collectors.toList());
          JsonPage<FileVo> jsonPage = new JsonPage<>(page.getCurrent(), page.getSize(), page.getTotal(), collect);
          return R.ok().setData(jsonPage);
      }
  
      /**
       * 附件上传
       * @param file
       * @return
       */
      @ApiOperation(value = "附件上传")
      @ApiImplicitParam(name = "file", value = "附件file", required = true, dataTypeClass = MultipartFile.class)
      @PostMapping("/upload")
      public R upload(@RequestParam("file") MultipartFile file) {
          fileService.uploadFile(file);
          return R.ok();
      }
  
      /**
       * 删除
       * @param id
       * @return
       */
      @ApiOperation(value = "删除", notes = "根据url的id来指定删除对象")
      @ApiImplicitParam(name = "id", value = "ID", required = true, dataType = "String", paramType = "path")
      @DeleteMapping("/{id}")
      public R deleteFileById(@PathVariable String id) {
          fileService.deleteFileById(id);
          return R.ok();
      }
  }
  
  