files 2

移动文件 Path source = Paths.get("helloword/data.txt"); Path target = Paths.get("helloword/data.txt");

Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);

StandardCopyOption.ATOMIC_MOVE 保证文件移动的原子性

删除文件

Path target = Paths.get("helloword/target.txt");

Files.delete(target); 如果文件不存在，会抛异常 NoSuchFileException

删除目录

Path target = Paths.get("helloword/d1");

Files.delete(target); 如果目录还有内容，会抛异常 DirectoryNotEmptyException