Springboot打包文件夾爲ZIP並導出

在springboot下打包文件夾並導出zip包代碼如下

    @ApiOperation(value="導出接口")
    @RequestMapping(value="/export",method = RequestMethod.GET)
    public void export(HttpServletRequest request, HttpServletResponse response) throws IOException{
        OutputStream out = response.getOutputStream();
        try {
            response.setCharacterEncoding("UTF-8");
            String path = searchService.export();
            File file = new File(path);
            byte[] data = getStream(path);
            // 壓縮包名稱
            String downloadName = file.getName();
            response.setHeader("Content-Disposition",
                        "attachment;filename=" + URLEncoder.encode(downloadName, "utf-8"));
            response.addHeader("Content-Length", "" + data.length);
            response.setContentType("application/octet-stream;charset=UTF-8");
            IOUtils.write(data, out);
            if(!file.delete()){
                file.deleteOnExit();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }finally {
            try{
                if (out != null) {
                    out.flush();
                    out.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    
	private byte[] getStream(String filePath) {
        byte[] buffer = null;
        File file = new File(filePath);
        FileInputStream fis = null;
        ByteArrayOutputStream bos = null;
        try {
            bos = new ByteArrayOutputStream();
            fis = new FileInputStream(file);
            byte[] b = new byte[1024];
            int n;
            while ((n = fis.read(b)) != -1) {
                bos.write(b, 0, n);
            }
            buffer = bos.toByteArray();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(fis!=null)
                    fis.close();
                if(bos!=null)
                    bos.close();
            }catch (IOException e) {
                e.printStackTrace();
            }
        }
        return buffer;
    }