使用AbstractCalculationEngine返回一系列值
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Aspose.Cells提供AbstractCalculationEngine类,用于实现Microsoft Excel不支持的用户定义或自定义函数。
本文将解释如何从AbstractCalculationEngine返回值范围。
以下代码演示了使用 AbstractCalculationEngine 类,并通过其方法返回一系列值。
创建一个带有函数 CalculateCustomFunction 的类。该类实现了 AbstractCalculationEngine。
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
public class CustomFunctionStaticValue : AbstractCalculationEngine | |
{ | |
public override void Calculate(CalculationData data) | |
{ | |
data.CalculatedValue = new object[][] { | |
new object[]{new DateTime(2015, 6, 12, 10, 6, 30), 2}, | |
new object[]{3.0, "Test"} | |
}; | |
} | |
} |
现在将以上函数用于您的程序
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
// The path to the documents directory. | |
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | |
// Create workbook | |
Workbook workbook = new Workbook(); | |
Cells cells = workbook.Worksheets[0].Cells; | |
// Set formula | |
Cell cell = cells[0, 0]; | |
cell.SetArrayFormula("=MYFUNC()", 2, 2); | |
Style style = cell.GetStyle(); | |
style.Number = 14; | |
cell.SetStyle(style); | |
// Set calculation options for formula | |
CalculationOptions calculationOptions = new CalculationOptions(); | |
calculationOptions.CustomEngine = new CustomFunctionStaticValue(); | |
workbook.CalculateFormula(calculationOptions); | |
// Save to xlsx by setting the calc mode to manual | |
workbook.Settings.FormulaSettings.CalculationMode = CalcModeType.Manual; | |
workbook.Save(dataDir + "output_out.xlsx"); | |
// Save to pdf | |
workbook.Save(dataDir + "output_out.pdf"); |