#代码重新用类整理一下，对类class还不怎么了解，只做了简单的分类，图形输出、按键控制、数据计算 三个class。

#比原先新增了些功能，新增拼图时间计算，存档，“速度排行榜”，背景音乐循环播放。美化进度条，支持自定义图片拼图，

#自定义背景音乐（图片格式支持中英文文件名JPG、BMP文件，音乐支持MP3、WAV格式文件，测试请将图片文件、音乐文件-# Code re-use the class to sort out, do not understand how the class class, only a simple classification, graphical output, key control, data to calculate the three classes.# Than the original add some features, the new puzzle time calculation, archiving, and " speed rating, background music loop. Beautify the progress bar, and support custom image puzzles,# since the definition of background music (image format support for English documents in JPG, BMP files, music support MP3, WAV format files, the test set image files, music files