读取spring配置文件的方法(spring读取资源文件)

public void test() throws IOException {  Resource resource = ApplicationContextFactory.getApplicationContext().getResource("classpath:com/springdemo/resource/test.txt");  File file = resource.getFile();  byte[] buffer =new byte[(int) file.length()];  FileInputStream is =new FileInputStream(file);

  is.read(buffer, 0, buffer.length);  is.close();  String str = new String(buffer);  System.out.println(str);

 }