采用相对路径存入图片到数组中。对图片实现放大缩小上下翻页，自动播放等功能。使用之前请先新建一个名为Pic的文件夹存放图片，并修改photoDlg.cpp中的数组-Into the picture using a relative path to the array. Zoom on the image to achieve flip up and down, auto-playback functions. Use before you create a new folder called Pi