从Spring Boot的Fat JAR读取目录

import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.util.stream.Stream;

@Component
public class DirectoryReader {

    @Autowired
    private ResourceLoader resourceLoader;

    public void readDirectory(String path) throws IOException {
        Resource resource = resourceLoader.getResource("classpath:" + path);
        if (resource.exists() && resource.isReadable()) {
            try (Stream<Resource> stream = resource.listResources()) {
                stream.forEach(System.out::println);
            }
        } else {
            System.out.println("Directory does not exist or is not readable.");
        }
    }
}

import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import java.io.IOException;
import java.util.stream.Stream;

public class DirectoryReader {

    public void readDirectory(String path) throws IOException {
        Resource resource = new ClassPathResource(path);
        if (resource.exists() && resource.isReadable()) {
            try (Stream<Resource> stream = resource.listResources()) {
                stream.forEach(System.out::println);
            }
        } else {
            System.out.println("Directory does not exist or is not readable.");
        }
    }
}