在查看很多有复杂的数据的表格时,为了能够快速地找到所需要的数据组时,往往需要对该数据组进行分类,一个简单快速的方法就是对数据组所在的单元格填充背景颜色,这样就使得我们在阅读文件时能够直观的看到数据分类,既美观又实用。那对于开发者而言,我这里提供一个简单快速的方法,即用C#给单元格设置背景颜色。下面是我的操作方法,供参考。我这里使用了一个叫Spire.XLS for . NET的免费版组件,该产品由E-iceblue公司发布,具体详情可上官网了解(https://www.e-iceblue.cn/Introduce/Spire-XLS-NET.html),不废话,下面我演示一下我的操作。
原文件如图:
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIn5GcuUGMmdTOwgzY2gzY3IWNwkjMjNTYlFWNjZTO4MWYwQzYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.png)
步骤:
1、 添加命名空间
Using Spire.Xls;
Using System.Drawing;
2、 初始化工作簿并加载文档
Workbook workbook = new Workbook();
workbook.LoadFromFile(@"C:\Users\Administrator\Desktop\test.xlsx", ExcelVersion.Version97to2003);
Worksheet worksheet = workbook.Worksheets[0];Worksheet worksheet = workbook.Worksheets[0];
3、设置单元格背景颜色
worksheet.Range["A1:C2"].Style.Color = Color.LightSeaGreen;
worksheet.Range["A3:C4"].Style.Color = Color.LightYellow;
worksheet.Range["A5:C19"].Style.Color = Color.SpringGreen;
worksheet.Range["A20:C21"].Style.Color = Color.DeepSkyBlue;
worksheet.Range["A22:C23"].Style.Color = Color.Yellow;
4、保存并预览文件
workbook.SaveToFile("GradesRank.xls",ExcelVersion.Version97to2003;
System.Diagnostics.Process.Start(workbook.FileName);
完成以上步骤后文档背景颜色添加成功,如下图所示:
完整代码:
C#
using System.Drawing;
using Spire.Xls;
namespace background_color
{
class Program
{
static void Main(string[] args)
{
Workbook workbook = new Workbook();
workbook.LoadFromFile(@"C:\Users\Administrator\Desktop\test.xlsx", ExcelVersion.Version97to2003);
Worksheet worksheet = workbook.Worksheets[0];
//set the backgroundcolor of Range["A1:C2"]
worksheet.Range["A1:C2"].Style.Color = Color.LightSeaGreen;
//set the backgroundcolor of Range["A3:C4"]
worksheet.Range["A3:C4"].Style.Color = Color.LightYellow;
//set the backgroundcolor of Range["A5:C19"]
worksheet.Range["A5:C19"].Style.Color = Color.SpringGreen;
//set the backgroundcolor of Range["A20:C21"]
worksheet.Range["A20:C21"].Style.Color = Color.DeepSkyBlue;
//set the backgroundcolor of Range["A22:C23"]
worksheet.Range["A22:C23"].Style.Color = Color.Yellow;
//save and launch the project
workbook.SaveToFile("Sample.xls", ExcelVersion.Version97to2003);
System.Diagnostics.Process.Start(workbook.FileName);
}
}
}
VB.NET:
Imports System.Drawing
Imports Spire.Xls
Namespace background_color
Class Program
Private Shared Sub Main(ByVal args() As String)
Dim workbook As Workbook = New Workbook
workbook.LoadFromFile("C:\Users\Administrator\Desktop\test.xlsx", ExcelVersion.Version97to2003)
Dim worksheet As Worksheet = workbook.Worksheets(0)
'set the backgroundcolor of Range["A1:C2"]
worksheet.Range("A1:C2").Style.Color = Color.LightSeaGreen
'set the backgroundcolor of Range["A3:C4"]
worksheet.Range("A3:C4").Style.Color = Color.LightYellow
'set the backgroundcolor of Range["A5:C19"]
worksheet.Range("A5:C19").Style.Color = Color.SpringGreen
'set the backgroundcolor of Range["A20:C21"]
worksheet.Range("A20:C21").Style.Color = Color.DeepSkyBlue
'set the backgroundcolor of Range["A22:C23"]
worksheet.Range("A22:C23").Style.Color = Color.Yellow
'save and launch the project
workbook.SaveToFile("Sample.xls", ExcelVersion.Version97to2003)
System.Diagnostics.Process.Start(workbook.FileName)
End Sub
End Class
End Namespace