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男娘i 2021-08-19 13:25 376阅读 0赞

[从request中获取当前请求中的文件列表][request]

List<MultipartFile> fileList = FileUtil.multiFileRead(request);

public static List<MultipartFile> fileRead(HttpServletRequest request) {
    		//用于获取用户上传的全部文件
    		List<MultipartFile> fileList = new ArrayList<MultipartFile>();
    		try {
    			CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
    			//判断上传的文件是否符合spring的接收标准（前台form中需要设置相应类型）
    			if(multipartResolver.isMultipart(request)) {
    				MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;
    				MultiValueMap<String,MultipartFile> mFile = multiRequest.getMultiFileMap();
    				mFile.entrySet();
    				Map<String, MultipartFile> fileMap = multiRequest.getFileMap();
    				for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
    					// 获取单个文件
    					MultipartFile mf = entity.getValue();
    					// 获得原始文件名
    					String fileName = mf.getOriginalFilename();
    					// 截取文件类型; 这里可以根据文件类型进行判断
    					String fileType = fileName.substring(fileName.lastIndexOf('.'));
    				}
    				//遍历用户上传的文件
    				Iterator<String> iter = multiRequest.getFileNames();
    				while(iter.hasNext()) {
    					//获取文件
    					fileList.add(multiRequest.getFile((String)iter.next()));
    				}
    			}
    			
    			return fileList;
    		} catch (Exception e) {
    			log.error(e.getLocalizedMessage());
    			throw new BusinessException(e.getLocalizedMessage());
    		}
    		
    	}

for (MultipartFile file : fileList) {
    			if (file != null) {
    				FileInfo fileInfo = new FileInfo();
    				Map<String, String> map = FileUtil.newFileUpload(file);
    				fileInfo.setLinkId(eventBase.getId());
    				fileInfo.setFileName(map.get(FileUtil.FILENAME));
    				fileInfo.setFileURL(map.get(FileUtil.FILEURL));
    				fileInfo.setFileSize(map.get(FileUtil.FILESIZE));
    				fileInfo.setCreatorId(eventBase.getCreator());
    
    				// 保存文件数据
    				fileInfoDAO.insertFileInfo(fileInfo);
    			}
    		}

[request]: https://blog.csdn.net/u012076316/article/details/49994555/