java读取文件夹下的所有

灰太狼 2021-09-26 09:22 472阅读 0赞

/** * 读取文件夹下的文件 * * @param path物理路径 * @return */
        public static List<File> getFiles(String path) {
            File root = new File(path);
            List<File> files = new ArrayList<File>();
            if (!root.isDirectory()) {
                files.add(root);
            } else {
                File[] subFiles = root.listFiles();
                for (File f : subFiles) {
                    //指定的文件后缀名
                    if (f.getName().contains(".proto")) {
                        files.addAll(getFiles(f.getAbsolutePath()));
                    }
    
                }
            }
            return files;
        }

/** * 读取某个文件夹下的所有文件 */
           public static boolean readfile(String filepath) throws FileNotFoundException, IOException {
                   try {
    
                           File file = new File(filepath);
                           if (!file.isDirectory()) {
                                   System.out.println("文件");
                                   System.out.println("path=" + file.getPath());
                                   System.out.println("absolutepath=" + file.getAbsolutePath());
                                   System.out.println("name=" + file.getName());
    
                           } else if (file.isDirectory()) {
                                   System.out.println("文件夹");
                                   String[] filelist = file.list();
                                   for (int i = 0; i < filelist.length; i++) { 
                                           File readfile = new File(filepath + "\\" + filelist[i]);
                                           if (!readfile.isDirectory()) {
                                                   System.out.println("path=" + readfile.getPath());
                                                   System.out.println("absolutepath="
                                                                   + readfile.getAbsolutePath());
                                                   System.out.println("name=" + readfile.getName());
                                                   //删除指定格式文件
                                                   if (readfile.getName().contains(".xlsx")) {
    
                                                       System.err.println("删除了 "+readfile.getName());
                                                       readfile.delete();
                                                   }
    
                                           } else if (readfile.isDirectory()) {
                                                   readfile(filepath + "\\" + filelist[i]);
                                           }
                                   }
    
                           }
    
                   } catch (FileNotFoundException e) {
                           System.out.println("readfile() Exception:" + e.getMessage());
                   }
                   return true;
           }