Question

java中怎样获得一个文件夹中的所有文件名

Answer 1

//文件名列表
    private static List<String> fileList = new ArrayList<String>();

    /**
     * @param args
     */
    public static void main(String[] args) {
        printAllFileNames("C:/Users/jerry/Desktop/test");
    }

    public static void printAllFileNames(String path) {
        if (null != path) {
            File file = new File(path);
            if (file.exists()) {
                File[] list = file.listFiles();
                if(null != list){
                    for (File child : list) {
                        if (child.isFile()) {
                            fileList.add(child.getAbsolutePath());
                            System.out.println(child.getAbsolutePath());
                        } else if (child.isDirectory()) {
                            printAllFileNames(child.getAbsolutePath());
                        }
                    }
                }
            }
        }
    }

Answer 2

用递归。。。我之前有个现成的，我当作工具来用的