java,File folder = new File(Environment.getExternalStorageDirectory(), "FolderName");,if (!folder.exists()) {, folder.mkdirs();,},
``,,这段代码首先检查指定的文件夹是否存在,如果不存在,则创建它。java,File folder = new File(Environment.getExternalStorageDirectory(), "FolderName");,if (!folder.exists()) {, folder.mkdirs();,},
``,,这段代码首先检查指定的文件夹是否存在,如果不存在,则创建它。Powered By Z-BlogPHP 1.7.3