使用 AbstractCalculationEngine 返回值范围

Aspose.Cells提供抽象计算引擎用于实现 Microsoft Excel 不支持的用户定义或自定义函数的类作为内置函数。

本文将解释如何从返回值的范围抽象计算引擎.

下面的代码演示了使用抽象计算引擎类并通过其方法返回值的范围。

创建一个带有函数的类计算自定义函数.这个类实现抽象计算引擎.

// 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"}
            };
    }
}

现在在你的程序中使用上面的函数

// 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");