C#使用EPPLus导出xlsx表,怎么设置表格所有框线
时间: 2025-02-16 13:16:54 浏览: 124
在C#中使用EPPlus库(ExcelPackageLibrary)导出XLSX文件时,若想设置表格的所有框线,首先需要创建一个ExcelWorksheet,并调整边框样式。以下是步骤:
1. 引入所需NuGet包:
```csharp
using OfficeOpenXml;
```
2. 创建ExcelPackage对象并添加工作表:
```csharp
ExcelPackage excelPackage = new ExcelPackage();
ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet1");
```
3. 设置表格边框样式为全部实线或所需的样式:
EPPlus提供了`OfficeOpenXml.Style.ExcelBorderStyle`枚举,你可以用它来指定边框类型,例如双线(`Double`)、单线(`Thick`)等。然后遍历边框,应用样式:
```csharp
var borderStyles = new List<ExcelBorderStyle> { ExcelBorderStyle.Single, ExcelBorderStyle.Double, ... };
foreach (var style in borderStyles)
{
// 遍历表格四边和内部的单元格边框
for (int i = 0; i <= 3; i++)
{
// Top, Bottom, Left, Right 边框
worksheet.Cells["A1"].Style.Borders[i].LineStyle = style;
// Inner horizontal and vertical borders
worksheet.Cells["A:A"].Style.Borders[ExcelBorderIndex.DiagonalDown].LineStyle = style;
worksheet.Cells["1:1"].Style.Borders[ExcelBorderIndex.DiagonalUp].LineStyle = style;
}
}
```
4. 导出Excel文件:
```csharp
excelPackage.SaveAs(new FileInfo(@"C:\output\example.xlsx"));
```
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