SpringBoot -从application.properties读取文件，路径

file.path=/path/to/your/file.txt

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component
public class FilePathReader {

    @Value("${file.path}")
    private String filePath;

    public String getFilePath() {
        return filePath;
    }
}

import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.stereotype.Component;

import java.net.MalformedURLException;
import java.nio.file.Path;
import java.nio.file.Paths;

@Component
public class FilePathReader {

    @Value("${file.path}")
    private String filePath;

    public Resource getFileResource() throws MalformedURLException {
        Path path = Paths.get(filePath).toAbsolutePath();
        return new UrlResource(path.toUri());
    }
}