java 如何在 Spring 中将文件夹的所有文件加载到资源列表中？
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How to load all files of a folder to a list of Resources in Spring?
提问by membersound
I have a folder and want to load all txt files to a list using Spring and wildcards:
我有一个文件夹，想使用 Spring 和通配符将所有 txt 文件加载到列表中：
By annotation I could do the following:
通过注释，我可以执行以下操作：
@Value("classpath*:../../dir/*.txt")
private Resource[] files;
But how can I achieve the same using spring programmatically?
但是如何以编程方式使用 spring 来实现相同的目标？
回答by Maciej Walkowiak
Use ResourceLoaderand ResourcePatternUtils:
使用ResourceLoader和ResourcePatternUtils：
class Foobar {
private ResourceLoader resourceLoader;
@Autowired
public Foobar(ResourceLoader resourceLoader) {
this.resourceLoader = resourceLoader;
}
Resource[] loadResources(String pattern) throws IOException {
return ResourcePatternUtils.getResourcePatternResolver(resourceLoader).getResources(pattern);
}
}
and use it like:
并像这样使用它：
Resource[] resources = foobar.loadResources("classpath*:../../dir/*.txt");
回答by Baji Shaik
If you are using Spring
如果您使用的是 Spring
@Autowired
private ApplicationContext applicationContext;
public void loadResources() {
try {
Resource[] resources = applicationContext.getResources("file:C:/XYZ/*_vru_*");
} catch (IOException ex) {
ex.printStackTrace();
}
}
