图片校验是否存在或破损

try {    Tika tika = new Tika();    URL url = new URL(urlStrng);    //File file = new File("/Users/wecash/Desktop/a1.jpg");    //InputStream inputStream = new FileInputStream(file);    //tika.parseToString(inputStream);    //tika.parseToString(file);    tika.parseToString(url);    return true;} catch (TikaException e) {    log.error("error:{}",e.getMessage());    return false;} catch (Exception e) {    log.error("error:{}",e.getMessage());    return false;}