参考链接:https://blog.csdn.net/wxgxgp/article/details/88814842
https://blog.csdn.net/a1053904672/article/details/88759335
https://blog.csdn.net/hnsdgxylh/article/details/86586100
https://blog.csdn.net/z345436330/article/details/89005930
https://blog.csdn.net/qq_40456669/article/details/93375709
读取颜色值:https://blog.csdn.net/yukinoai/article/details/87447113评论部分