/**
     * 獲取 文件 流
     *
     * @param targetPicUrl 網(wǎng)絡(luò)圖片url
     * @return
     * @throws IOException
     */
    private InputStream getFile(String targetPicUrl) {
            InputStream inStream = null;
            try {
                URL urlConet = new URL(targetPicUrl);
                HttpURLConnection con = (HttpURLConnection) urlConet.openConnection();
                con.setRequestMethod("GET");
                con.setConnectTimeout(4 * 1000);
                inStream = con.getInputStream();    //通過輸入流獲取圖片數(shù)據(jù)
            }catch (Exception e){
                log.error("獲取圖片流失敗：{}",e.getMessage());
            }
            return inStream;

    }