获取类路径某个json文件中的内容字符串

  String resourcePath = "common/tianyanchasearch.json";
  String content = FileUtil.getStringFromInputStream(resourcePath);
return GlobalResult.succeed(JSON.parseObject(content));

    /**
     * 从输入流中获取文件内容字符串
     * @param resourcePath
     * @return
     */
    public static String getStringFromInputStream(String resourcePath) {
        StringBuilder jsonString = new StringBuilder();
            BufferedReader bufferedReader = null;
            try {
                ClassPathResource classPathResource = new ClassPathResource(resourcePath);
                InputStream inputStream = classPathResource.getStream();
                bufferedReader = new BufferedReader(new InputStreamReader(inputStream,StandardCharsets.UTF_8));
                char[] chars = new char[8192];
                int length;
                while ((length = bufferedReader.read(chars)) != -1) {
                    String temp = new String(chars, 0, length);
                    jsonString.append(temp);
                }
            } catch (IOException e) {
                System.out.println("=====获取数据异常=====" + e);
            } finally {
                if (null != bufferedReader) {
                    try {
                        bufferedReader.close();
                    } catch (IOException ex) {
                        System.out.println("=======获取数据时，关闭流异常=======" + ex);
                    }
                }
            }
        return jsonString.toString();
    }

File file = ResourceUtils.getFile("classpath:files/test.xlsx");
InputStream inputStream = new FileInputStream(file);