本地文件路徑轉爲inputStream流

本地文件路徑轉爲inputStream流
InputStream inputStream=null;
try {
    inputStream = new FileInputStream(filePath);
} catch (IOException e) {
    
}

  public static InputStream getInputStreamByUrl(String fileUrl){
        InputStream inputStream=null;
        try {
            URL url = null;
            url = new URL(fileUrl);
            HttpURLConnection conn = (HttpURLConnection)url.openConnection();
            //設置超時間爲3秒
            conn.setConnectTimeout(3*1000);
            //防止屏蔽程序抓取而返回403錯誤
            conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
            //得到輸入流
            inputStream= conn.getInputStream();
        } catch (IOException e) {
            LOGGER.info("getInputStreamByUrl  e", e);
        }
        return inputStream;
    }

 
MultipartFile multipartFile = new MockMultipartFile(fileName,inputStreamByUrl);