重用样式对象
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重用样式对象可以节省内存并加快程序运行速度。
若要对工作表中的大范围单元格应用一些格式设置:
- 创建一个样式对象。
- 指定属性。
- 将样式应用于范围中的单元格。
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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 workbook object | |
workbook = Workbook() | |
# Access the first worksheet | |
worksheet = workbook.worksheets[0] | |
# Access cells | |
cell1 = worksheet.cells.get("A1") | |
cell2 = worksheet.cells.get("B1") | |
# Set the styles of both cells to Times New Roman | |
styleObject = workbook.create_style() | |
styleObject.font.color = Color.red | |
styleObject.font.name = "Times New Roman" | |
cell1.set_style(styleObject) | |
cell2.set_style(styleObject) | |
# Put the values inside the cell | |
cell1.put_value("Hello World!") | |
cell2.put_value("Hello World!!") | |
# Save to Pdf without setting PdfSaveOptions.IsFontSubstitutionCharGranularity | |
workbook.save(dataDir + "SampleOutput_out.xlsx") |
由于 Cell.get_style/Cell.set_style 方法占用的内存明显较少,并且效率更高,旧的 Cell.Style 属性在 Aspose.Cells 7.1.0 版本中已被移除,因为它消耗了大量不必要的内存。