行转列： https://blog.csdn.net/Eric_data/article/details/104645738 https://www.cnblogs.com/traditional/p/11967360.html 透视图： https://www.cnblogs.com/onemorepoint/p/8425300.html https://www.jianshu.com/p/9ded1c198123 相关文章： 2022-12-23 2022-12-23 2021-11-09 2022-12-23 2022-12-23 2021-07-08 2021-06-17