仅接受当天修改的文件的过滤器:
import java.io.IOException; import java.nio.file.DirectoryStream;//来自 时 代 J a v a - nowjava.com import java.nio.file.Files; import java.nio.file.LinkOption; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.FileTime; import java.util.concurrent.TimeUnit; public class Main { public static void main(String[] args) { Path path = Paths.get("C:/folder1/folder2/folder4"); DirectoryStream.Filter<Path> time_filter = new DirectoryStream.Filter<Path>() { public boolean accept(Path path) throws IOException { long currentTime = FileTime.fromMillis(System.currentTimeMillis()).to( TimeUnit.DAYS); long modifiedTime = ((FileTime) Files.getAttribute(path, "basic:lastModifiedTime", LinkOption.NOFOLLOW_LINKS))/*from 时代Java - N o w J a v a . c o m*/ .to(TimeUnit.DAYS); if (currentTime == modifiedTime) { return true; } return false; } }; System.out.println("\nUser defined filter applied:");