springboot- project file under way to obtain resources

spring project file under way to obtain resources

  Recently wrote to read template files to do some follow-up treatment, place the file in the resources under the project, found a nice reading method:

 

  For example, the top is the file you need to read: The
  way to read as follows:

//File file = ResourceUtils.getFile("classpath:templates/b_dfd.txt");
File file = ResourceUtils.getFile("classpath:templates");
if(file.exists()){
File[] files = file.listFiles();
if(files != null){
for(File childFile:files){
System.out.println(childFile.getName());
}
}
}

  On top of ResourceUtils.getFile () method can get to files in the resources.
  A few days ago found that this method is useless in linux system, I hope I have your attention.