SpringBoot读取Resource下文件的几种方式

ClassPathResource classPathResource = new ClassPathResource("excleTemplate/test.xlsx");
InputStream inputStream =classPathResource.getInputStream();

InputStream inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream("excleTemplate/test.xlsx");

InputStream inputStream = this.getClass().getResourceAsStream("/excleTemplate/test.xlsx");