Springboot项目读取Resources目录下的文件(推荐)

 /**
   * @Description: 读取resources 目录下的文件 
   * @Author: ljj
   * @CreateDate: 2020/11/3 17:20
   * @UpdateUser:
   * @UpdateDate:
   * @UpdateReakem
   * @param filePath
   * @Return: java.lang.String
   **/
 
  public static String getContent(String filePath){
    String res = "";
    if(StringUtils.isEmpty(filePath)){
      log.info("文件路径不能为空");
      return res;
    }
    try {
      Resource resource = new ClassPathResource(filePath);
      BufferedReader br = new BufferedReader(new InputStreamReader(resource.getInputStream(),"UTF-8"));
      StringBuffer sb = new StringBuffer();
      String str = "";
      while((str=br.readLine())!=null) {
        sb.append(str);
      }
      res = sb.toString();
    } catch (Exception e) {
      log.info("读取文件{}时发生异常",filePath);
      e.printStackTrace();
    }
    return res;
  }

 String COntent= FileUtils.getContent("testData/网元拓扑1.json");