将趋势线添加到openpyxl折线图仅当选择了除“trendlineType”之外的任何其他线,例如"poly“、"exp”或"power“。这是可行的:
series = Series(data, title=sheetname)
series.trendline = Trendline(
dispEq=True, dispRSqr=True, trendlineType="linear")
c1.append(series)这不会发生,图表也无法构建:
series = Series(data, title=sheetname)
series.trendline = Trendline(
dispEq=True, dispRSqr=True, trendlineType="poly")
c1.append(series)尽管如此,文档声称这应该是可行的:Doc Link
有人知道为什么会这样吗?
编辑: Python没有失败,但打开excel文件会导致:


<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<recoveryLog xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"><logFileName>error094400_01.xml</logFileName><summary>Errors were detected in file '...'</summary><removedParts><removedPart>Removed Part: /xl/drawings/drawing1.xml part. (Drawing shape)</removedPart></removedParts></recoveryLog>发布于 2020-10-06 05:29:58
我发现了一个issue,上面说必须提供额外的数据。
对于poly,series.trendline.order = 2是必需的,例如
https://stackoverflow.com/questions/64212023
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