使用C#实现在Excel中高效生成和操作表格

Install-Package Spire.XLS

using Spire.XLS;

class Program
{
    static void Main()
    {
        // 创建一个新的Excel工作簿
        Workbook workbook = new Workbook();
        
        // 获取默认工作表
        Worksheet worksheet = workbook.Worksheets[0];
        
        // 设置数据范围并填充数据
        worksheet.Range["A1"].Text = "产品编号";
        worksheet.Range["B1"].Text = "产品名称";
        worksheet.Range["C1"].Text = "价格";
        worksheet.Range["D1"].Text = "库存";

        worksheet.Range["A2"].Text = "P001";
        worksheet.Range["B2"].Text = "产品A";
        worksheet.Range["C2"].NumberValue = 25.5;
        worksheet.Range["D2"].NumberValue = 100;

        worksheet.Range["A3"].Text = "P002";
        worksheet.Range["B3"].Text = "产品B";
        worksheet.Range["C3"].NumberValue = 15.8;
        worksheet.Range["D3"].NumberValue = 150;

        // 定义数据区域，转换为表格
        ListObject table = worksheet.ListObjects.Add(ListObjectSourceType.Range, worksheet.Range["A1:D3"], true);
        
        // 设置表格样式，应用内建样式
        table.BuiltInTableStyle = TableBuiltInStyles.TableStyleMedium2;

        // 保存Excel文件
        workbook.SaveToFile("产品信息表格.xlsx", ExcelVersion.Version2016);
        Console.WriteLine("Excel文件已保存！");
    }
}

// 获取现有的表格
ListObject table = worksheet.ListObjects[0];

// 修改表格的数据范围
Range newRange = worksheet.Range["C1:F5"];
table.Location = newRange;

// 修改表格名称
table.DisplayName = "Product_Sales";

// 保存文件
workbook.SaveToFile("修改表格名称和数据范围.xlsx", ExcelVersion.Version2016);

// 启用汇总行
table.DisplayTotalRow = true;

// 设置汇总行的标签
table.Columns[0].TotalsRowLabel = "汇总";

// 设置汇总行的计算方式
table.Columns[2].TotalsCalculation = ExcelTotalsCalculation.Sum;  // 价格列求和
table.Columns[3].TotalsCalculation = ExcelTotalsCalculation.Sum;  // 库存列求和

// 保存文件
workbook.SaveToFile("添加汇总行.xlsx", ExcelVersion.Version2016);