Java HttpHeaders.setContentDispositionFormData方法代碼示例

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
private HttpEntity<MultiValueMap<String, Object>> buildRequestEntity(byte[] packaged,
    String notifyToken,
    String notifyUrl) {
  MultiValueMap<String, Object> map = new LinkedMultiValueMap<>();

  HttpHeaders textHeaders = new HttpHeaders();
  textHeaders.setContentType(MediaType.TEXT_PLAIN);

  HttpHeaders binaryHeaders = new HttpHeaders();
  binaryHeaders.setContentDispositionFormData("file", SUBMISSION_FILENAME);

  map.add("file", new HttpEntity<>(new ByteArrayResource(packaged), binaryHeaders));
  map.add("token", new HttpEntity<>(notifyToken, textHeaders));
  map.add("notify", new HttpEntity<>(notifyUrl, textHeaders));

  return new HttpEntity<>(map);
}
 

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
/**
 * @desc 下載壓測數據文件
 *
 * @author liuliang
 *
 * @param filename 文件名
 * @param request
 * @param response
 * @return
 */
@RequestMapping(value = "/fileDownload")
public ResponseEntity<byte[]>  fileDownload(@RequestParam("filename") String filename,HttpServletRequest request,HttpServletResponse response) {
	//1、從ftp下載
	byte[] fileContent = ftpUtils.downloadFile(filename);
	HttpHeaders headers = new HttpHeaders();  
	if(null != fileContent){
		//2、成功返回
		try {
        	headers.setContentDispositionFormData("attachment", new String(filename.getBytes("UTF-8"),"iso-8859-1")); 
        	headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        	return new ResponseEntity<byte[]>(fileContent,headers, HttpStatus.CREATED);
		} catch (Exception e) {
			logger.error("下載壓測數據文件異常,filename:{}",filename,e);
		}
	}
	//下載失敗返回
	logger.warn("從ftp下載壓測文件失敗,filename:{}",filename);
	headers.add("Content-Disposition","attachment;filename=error.log");  
    return new ResponseEntity<byte[]>(("從FTP服務器下載壓測參數文件失敗,filename:"+ filename).getBytes(),headers,HttpStatus.OK); 
}
 

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
/**
 * 下載
 * @param file 文件
 * @param fileName 生成的文件名
 * @return {ResponseEntity}
 */
protected ResponseEntity<Resource> download(File file, String fileName) {
	Resource resource = new FileSystemResource(file);
	
	HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder
			.getRequestAttributes()).getRequest();
	String header = request.getHeader("User-Agent");
	// 避免空指針
	header = header == null ? "" : header.toUpperCase();
	HttpStatus status;
	if (header.contains("MSIE") || header.contains("TRIDENT") || header.contains("EDGE")) {
		fileName = URLUtils.encodeURL(fileName, Charsets.UTF_8);
		status = HttpStatus.OK;
	} else {
		fileName = new String(fileName.getBytes(Charsets.UTF_8), Charsets.ISO_8859_1);
		status = HttpStatus.CREATED;
	}
	HttpHeaders headers = new HttpHeaders();
	headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
	headers.setContentDispositionFormData("attachment", fileName);
	return new ResponseEntity<Resource>(resource, headers, status);
}
 

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
public HttpHeaders genHttpHeaders(int id, String type, String noteOrNotebook) throws IOException{
    String filename = "";
    if(noteOrNotebook.equals("note")) {
        filename = new String(noteDao.getNoteById(id).getTitle().getBytes("UTF-8"), "iso8859-1") + "." + type;
    } else {
        filename = new String(notebookDao.getNotebookById(id).getTitle().getBytes("UTF-8"), "iso8859-1") + ".zip";
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
    headers.setContentDispositionFormData("attachment", filename);
    return headers;
}
 

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
/**
     * 獲取課表網頁
     * 
     * @param userKey 用戶認證KEY
     * @param forceReresh 是否刷新服務器的緩存
     * @return
     */
//    @RequestMapping("/coursepage")
//    @ResponseBody
//    public String getCoursePage(@RequestParam("userkey") String userKey,
//            @RequestParam(value = "forcerefresh", required = false) Integer forceReresh) {
//        System.out.println("POST /common/coursepage");
//        
//        boolean reqForceRefresh = forceReresh != null && forceReresh == 1;
//        
//        String coursePage = null;
//        StatusBean statusBean = new StatusBean();
//        KeyBean keyBean = keyService.getUserInfo(userKey);
//        if (keyBean != null) {
//            if (!keyBean.isEvil()) {
//                // TODO 風險：可能引起超時
//                coursePage = commonService.getCoursePage(keyBean, reqForceRefresh, statusBean);
//            } else {
//                statusBean.setCode(StatusBean.CODE_ERR_EVIL_USER);
//            }
//        } else {
//            statusBean.setCode(StatusBean.CODE_ERR_USER);
//        }
//        if (statusBean.getCode() != StatusBean.CODE_SUCCESS) {
//            coursePage = statusBean.getCode() + " " + (new StatusVo(statusBean)).getDesc();
//        }
//        
//        return coursePage;
//    }
    
    @RequestMapping(value = "/coursepage", method = RequestMethod.POST)
    public ResponseEntity<byte[]> getCoursePage(@RequestParam("userkey") String userKey) throws IOException {
        System.out.println("POST /common/coursepage");
        
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        headers.setContentDispositionFormData("attachment", "coursepage.zip");
        
        KeyBean keyBean = keyService.getUserInfo(userKey);
        if (keyBean != null && !keyBean.isEvil()) {
            byte[] bytes = commonService.getCoursePage(keyBean);
            return new ResponseEntity<byte[]>(bytes, headers, HttpStatus.CREATED);
        }
        
        return null;
    }
 

import org.springframework.http.HttpHeaders; //導入方法依賴的package包/類
/**
 * Download attached file.
 */
@GetMapping("/file/{id:[a-f0-9]{64}}/{key:[a-f0-9]{64}}")
public ResponseEntity<StreamingResponseBody> file(@PathVariable("id") final String id,
                                                  @PathVariable("key") final String keyHex,
                                                  final HttpSession session) {

    final KeyIv keyIv =
        new KeyIv(BaseEncoding.base16().lowerCase().decode(keyHex), resolveFileIv(id, session));

    final DecryptedFile decryptedFile = messageService.resolveStoredFile(id, keyIv);

    final HttpHeaders headers = new HttpHeaders();

    // Set application/octet-stream instead of the original mime type to force download
    headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);

    if (decryptedFile.getName() != null) {
        headers.setContentDispositionFormData("attachment", decryptedFile.getName(),
            StandardCharsets.UTF_8);
    }
    headers.setContentLength(decryptedFile.getOriginalFileSize());

    final StreamingResponseBody body = out -> {
        try (final InputStream in = messageService.getStoredFileInputStream(id, keyIv)) {
            ByteStreams.copy(in, out);
            out.flush();
        }

        messageService.burnFile(id);
    };

    return new ResponseEntity<>(body, headers, HttpStatus.OK);
}