下载代码整理

ゞ浴缸里的玫瑰 2022-08-05 02:20 192阅读 0赞

@RequestMapping(value = "/export")
        public void export(@PathVariable long dictId, HttpServletRequest request, HttpServletResponse response) throws IOException {
        	Resource dict = resourceService.findById(dictId);
        	String outPath = PropertyUtil.getProperty("UPLOAD_TEMP_PATH") + File.separator + dict.getName()+ ".docx";
        	List<Resource> words = resourceService.listByParentId(dictId);
        	XWPFDocument doc = new XWPFDocument();
        	String citiao = "【"+i18n("citiao")+"】";
            String jieshi = "【"+i18n("jieshi")+"】";
        	for(Resource word : words){
                XWPFParagraph citiaoP = doc.createParagraph();
                XWPFRun citiaoR = citiaoP.createRun();
                citiaoR.setText(citiao+word.getName());
                XWPFParagraph jieshiP = doc.createParagraph();
                XWPFRun jieshiR = jieshiP.createRun();
                jieshiR.setText(jieshi+word.getDescription());
        	}
        	FileOutputStream out = new FileOutputStream(outPath);
        	doc.write(out);
        	out.close();
        	File file = new File(outPath);
    		response.setHeader("Content-Type", "application/msword");
    		response.setHeader("Content-Disposition", "attachment;filename=" + file.getName());
    		WebUtil.writeFileToResponse(response, file);
        }

webUtil

public static void writeFileToResponse(HttpServletResponse response, File file) {
            if (file == null || !file.exists()) {
                response.setStatus(404);
                return;
            }
            response.setDateHeader("Expires", System.currentTimeMillis() + 1000 * MAX_AGE);
            response.setHeader("Cache-Control", "max-age=" + MAX_AGE);
            setResponseHeaderForFile(response, file);
            try {
                OutputStream to = response.getOutputStream();
                Files.copy(file, to);
                to.flush();
                response.flushBuffer();
            } catch (FileNotFoundException e) {
                response.setStatus(404);
                return;
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    
        public static void setResponseHeaderForFile(HttpServletResponse response, File file) {
            String fileExt = Path.getExt(file).toLowerCase();
            ResourceBundle bundle = ResourceBundle.getBundle("type");
            if (bundle.containsKey(fileExt)) {
                response.setContentType(bundle.getString(fileExt));
            }
        }