图表点的富文本自定义数据标签

您可以使用Aspose.Cells for Python via .NET为图表点创建丰富文本的自定义数据标签。该API提供DataLabels.characters()方法，返回FontSetting对象，可用来设置文本的字体属性，如颜色、粗细等。

数据点的图表富文本自定义数据标签

以下代码访问第一个系列的第一个图表点，设置其文本，然后通过设置字体的颜色为红色并将其粗体设置为true 来设置前10个字符的字体。

from aspose.cells import Workbook
from aspose.pydrawing import Color

#  For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET
#  The path to the documents directory.
dataDir = RunExamples.GetDataDir(".")
#  Create a workbook from source Excel file
workbook = Workbook(dataDir + "sample.xlsx")
#  Access first worksheet
worksheet = workbook.worksheets[0]
#  Access the first chart inside the sheet
chart = worksheet.charts[0]
#  Access the data label of first series first point
dlbls = chart.n_series[0].points[0].data_labels
#  Set data label text
dlbls.text = "Rich Text Label"
#  Set the font setting of the first 10 characters
fntSetting = dlbls.characters(0, 10)
fntSetting.font.color = Color.red
fntSetting.font.is_bold = True
#  Save the workbook
workbook.save(dataDir + "output_out.xlsx")