需要一个放有若干图片的文件夹，图片的文件名还需要提供一些信息，如“计61班.jpg”之类，具体格式可以修改源代码。然后显示图片让参与者猜是哪个班的。为系里男生节编写的一个简单的GUI程序-Need a put several pictures folder, pictures of the file name also need to provide some information, such as "(61 class. JPG," and so on, and the specific f