Spring Boot工程打完jar包读取工程内的模板文件

用了3种方分别是：

Resource工具

PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
Resource resource = resolver.getResource("classpath:files/xxx.xlsx");

   
   

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ClassPathResource 工具

ClassPathResource resource = new ClassPathResource("files/xxx.xlsx"));

   
   

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getResourceAsStream 方法

StringUtil.class.getResourceAsStream("/files/xxx.xlsx");

   
   

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