文件工具类

读取文件夹下所有文件，包含子目录

/**
 * 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()) {
                    String searchName = readfile.getName().substring(0,readfile.getName().lastIndexOf("."));
                    System.out.println("{ \"searchName\": \"" + searchName + "\", \"imgName\": \"" + readfile.getName() + "\" },");
                } else if (readfile.isDirectory()) {
                    readfile(filepath + "\\" + filelist[i]);
                }
            }
        }
    } catch (FileNotFoundException e) {
        System.out.println("readfile()   Exception:" + e.getMessage());
    }
    return true;
}