如何使用 IronXL 在 C# .NET Core 中建立 Excel 電子表格

using IronXL;

// Create a new workbook in XLSX format
WorkBook workbook = WorkBook.Create(ExcelFileFormat.XLSX);
// Add an Excel worksheet with a custom name
WorkSheet sheet = workbook.CreateWorkSheet("SalesReport");
// Set a cell value
sheet["A1"].Value = "Product Sales Summary";
// Save the generated Excel file
workbook.SaveAs("SalesReport.xlsx");

Imports IronXL

' Create a new workbook in XLSX format
Dim workbook As WorkBook = WorkBook.Create(ExcelFileFormat.XLSX)
' Add an Excel worksheet with a custom name
Dim sheet As WorkSheet = workbook.CreateWorkSheet("SalesReport")
' Set a cell value
sheet("A1").Value = "Product Sales Summary"
' Save the generated Excel file
workbook.SaveAs("SalesReport.xlsx")

using IronXL;

WorkBook workbook = WorkBook.Create(ExcelFileFormat.XLSX);
WorkSheet sheet = workbook.CreateWorkSheet("MonthlySales");

// Set column names as headers
sheet["A1"].Value = "Month";
sheet["B1"].Value = "Revenue";
sheet["C1"].Value = "Units Sold";

// Populate Excel data using a loop (mock sales data)
string[] months = { "January", "February", "March", "April", "May", "June" };
decimal[] revenue = { 45000.50m, 52000.75m, 48500.25m, 61000.00m, 58750.50m, 67200.25m };
int[] units = { 150, 175, 160, 200, 190, 220 };

for (int i = 0; i < months.Length; i++)
{
    int row = i + 2;
    sheet[$"A{row}"].Value = months[i];
    sheet[$"B{row}"].Value = revenue[i];
    sheet[$"C{row}"].Value = units[i];
}

// Set a range of cells to the same value across columns
sheet["D2:D7"].Value = "Active";
workbook.SaveAs("MonthlySales.xlsx");

Imports IronXL

Dim workbook As WorkBook = WorkBook.Create(ExcelFileFormat.XLSX)
Dim sheet As WorkSheet = workbook.CreateWorkSheet("MonthlySales")

' Set column names as headers
sheet("A1").Value = "Month"
sheet("B1").Value = "Revenue"
sheet("C1").Value = "Units Sold"

' Populate Excel data using a loop (mock sales data)
Dim months As String() = {"January", "February", "March", "April", "May", "June"}
Dim revenue As Decimal() = {45000.5D, 52000.75D, 48500.25D, 61000.0D, 58750.5D, 67200.25D}
Dim units As Integer() = {150, 175, 160, 200, 190, 220}

For i As Integer = 0 To months.Length - 1
    Dim row As Integer = i + 2
    sheet($"A{row}").Value = months(i)
    sheet($"B{row}").Value = revenue(i)
    sheet($"C{row}").Value = units(i)
Next

' Set a range of cells to the same value across columns
sheet("D2:D7").Value = "Active"
workbook.SaveAs("MonthlySales.xlsx")

using IronXL;

WorkBook workbook = WorkBook.Create(ExcelFileFormat.XLSX);
WorkSheet sheet = workbook.CreateWorkSheet("FormattedReport");

// Create headers with styling
sheet["A1"].Value = "Category";
sheet["B1"].Value = "Amount";
sheet["C1"].Value = "Date";

// Apply header formatting to the Excel sheet
sheet["A1:C1"].Style.SetBackgroundColor("#2E86AB");
sheet["A1:C1"].Style.Font.Bold = true;
sheet["A1:C1"].Style.Font.SetColor("#FFFFFF");

// Add sample data to specific cells
sheet["A2"].Value = "Software License";
sheet["B2"].Value = 1299.99m;
sheet["C2"].Value = DateTime.Now;

// Format currency and date columns
sheet["B2"].FormatString = "$#,##0.00";
sheet["C2"].FormatString = "yyyy-MM-dd";

// Add borders around the data range
var dataRange = sheet["A1:C2"];
dataRange.Style.BottomBorder.SetColor("#000000");
dataRange.Style.BottomBorder.Type = IronXL.Styles.BorderType.Thin;
workbook.SaveAs("FormattedReport.xlsx");

Imports IronXL

Dim workbook As WorkBook = WorkBook.Create(ExcelFileFormat.XLSX)
Dim sheet As WorkSheet = workbook.CreateWorkSheet("FormattedReport")

' Create headers with styling
sheet("A1").Value = "Category"
sheet("B1").Value = "Amount"
sheet("C1").Value = "Date"

' Apply header formatting to the Excel sheet
sheet("A1:C1").Style.SetBackgroundColor("#2E86AB")
sheet("A1:C1").Style.Font.Bold = True
sheet("A1:C1").Style.Font.SetColor("#FFFFFF")

' Add sample data to specific cells
sheet("A2").Value = "Software License"
sheet("B2").Value = 1299.99D
sheet("C2").Value = DateTime.Now

' Format currency and date columns
sheet("B2").FormatString = "$#,##0.00"
sheet("C2").FormatString = "yyyy-MM-dd"

' Add borders around the data range
Dim dataRange = sheet("A1:C2")
dataRange.Style.BottomBorder.SetColor("#000000")
dataRange.Style.BottomBorder.Type = IronXL.Styles.BorderType.Thin
workbook.SaveAs("FormattedReport.xlsx")

using IronXL;

WorkBook workbook = WorkBook.Create(ExcelFileFormat.XLSX);
WorkSheet sheet = workbook.CreateWorkSheet("BudgetCalculations");

// Add expense data to the Excel workbook
sheet["A1"].Value = "Expense";
sheet["B1"].Value = "Amount";
sheet["A2"].Value = "Rent";
sheet["B2"].Value = 2500;
sheet["A3"].Value = "Utilities";
sheet["B3"].Value = 350;
sheet["A4"].Value = "Supplies";
sheet["B4"].Value = 875;
sheet["A5"].Value = "Marketing";
sheet["B5"].Value = 1200;

// Add formulas for calculations
sheet["A7"].Value = "Total:";
sheet["B7"].Formula = "=SUM(B2:B5)";
sheet["A8"].Value = "Average:";
sheet["B8"].Formula = "=AVERAGE(B2:B5)";
sheet["A9"].Value = "Maximum:";
sheet["B9"].Formula = "=MAX(B2:B5)";
sheet["A10"].Value = "Count:";
sheet["B10"].Formula = "=COUNT(B2:B5)";

// Calculate all formulas
workbook.EvaluateAll();

// Access calculated values programmatically
decimal total = sheet["B7"].DecimalValue;
Console.WriteLine($"Calculated total: {total}");
workbook.SaveAs("BudgetCalculations.xlsx");

Imports IronXL

Dim workbook As WorkBook = WorkBook.Create(ExcelFileFormat.XLSX)
Dim sheet As WorkSheet = workbook.CreateWorkSheet("BudgetCalculations")

' Add expense data to the Excel workbook
sheet("A1").Value = "Expense"
sheet("B1").Value = "Amount"
sheet("A2").Value = "Rent"
sheet("B2").Value = 2500
sheet("A3").Value = "Utilities"
sheet("B3").Value = 350
sheet("A4").Value = "Supplies"
sheet("B4").Value = 875
sheet("A5").Value = "Marketing"
sheet("B5").Value = 1200

' Add formulas for calculations
sheet("A7").Value = "Total:"
sheet("B7").Formula = "=SUM(B2:B5)"
sheet("A8").Value = "Average:"
sheet("B8").Formula = "=AVERAGE(B2:B5)"
sheet("A9").Value = "Maximum:"
sheet("B9").Formula = "=MAX(B2:B5)"
sheet("A10").Value = "Count:"
sheet("B10").Formula = "=COUNT(B2:B5)"

' Calculate all formulas
workbook.EvaluateAll()

' Access calculated values programmatically
Dim total As Decimal = sheet("B7").DecimalValue
Console.WriteLine($"Calculated total: {total}")
workbook.SaveAs("BudgetCalculations.xlsx")

using IronXL;

WorkBook workbook = WorkBook.Load("BudgetCalculations.xlsx");

// Export to different formats
workbook.SaveAs("output.xlsx");      // Modern Excel (Office 2007+)
workbook.SaveAs("output.xls");       // Legacy Excel (97-2003)
workbook.SaveAsCsv("output.csv");    // CSV for data import/export
workbook.SaveAsJson("output.json");  // JSON for web APIs

Imports IronXL

Dim workbook As WorkBook = WorkBook.Load("BudgetCalculations.xlsx")

' Export to different formats
workbook.SaveAs("output.xlsx")      ' Modern Excel (Office 2007+)
workbook.SaveAs("output.xls")       ' Legacy Excel (97-2003)
workbook.SaveAsCsv("output.csv")    ' CSV for data import/export
workbook.SaveAsJson("output.json")  ' JSON for web APIs