public class test { public static void main(String[] args)throws IOException { File haha = new File("D://1.zip"); // 创建文件createNewFile() boolean flag =haha.createNewFile(); System.out.println(flag?"创建 成功":"创建失败"); File dir = new File("D://hha"); // 创建文件夹mkdir() dir.mkdir(); File dirs = new File("D://hh/dajsdsa/"); dirs.mkdirs(); } }