java删除一个文件夹里面的所有内容（文件和文件夹）

 
    public static void deleteDir(String pathName) {
        logger.info("{}", pathName);
        File file = new File(pathName);
        
        File[] subFiles = file.listFiles();
        
        if (subFiles.length != 0) {
            for (File subFile : subFiles) {
                String path00String = subFile.getPath();
                logger.info("是不是文件路劲{}", path00String);
                
                if (subFile.isFile()) {
                    logger.info("是文件");
                    if (!subFile.delete()) {
                        //do something
                    }
                    
                } else {
                    logger.info("是文件夹");
                    deleteDir(subFile.getPath());
                }
            }
        } else {
            
            if (!file.delete()) {

            }
        }
    }