如何获取java新IO的Path文件大小

import org.junit.Test;import java.io.IOException;import java.nio.file.Files;import java.nio.file.Path;import java.nio.file.Paths;public class TestFileSize {  @Test  public void getSize() throws IOException {    Path file = Paths.get("F://logs//spider.log");    long length = Files.size(file);    System.out.printf("文件大小:%d byte",length);  }}