C# 填充Excel圖表、圖例背景色的實(shí)例代碼

//實(shí)例化Workbook類的對(duì)象
Workbook workbook = new Workbook();
//加載測(cè)試文檔
workbook.LoadFromFile("sample.xlsx");

//獲取第一個(gè)工作表中的第一個(gè)圖表
Worksheet ws = workbook.Worksheets[1];
Chart chart = ws.Charts[0];

 //設(shè)置圖表的背景填充色（純色）
 chart.ChartArea.Fill.ForeColor = Color.LightSkyBlue;
 ////設(shè)置圖表繪圖區(qū)域的背景填充色（純色）
 ///chart.PlotArea.ForeGroundColor =System.Drawing.Color.LightYellow;

// 加載圖片，填充整個(gè)圖表區(qū)域
chart.ChartArea.Fill.CustomPicture(Image.FromFile("tp.png"), "None");
//設(shè)置繪圖區(qū)域的圖片填充的透明度
chart.PlotArea.Fill.Transparency = 0.8;
////加載圖片，僅填充圖表中的繪圖區(qū)域
//chart.PlotArea.Fill.CustomPicture(Image.FromFile("tp.png"), "None");

workbook.SaveToFile("result.xlsx", ExcelVersion.Version2010);

using Spire.Xls;
using Spire.Xls.Core.Spreadsheet.Charts;
using System.Drawing;
namespace FillChartWithImg_XLS
{
 class Program
 {
 static void Main(string[] args)
 {
 //實(shí)例化Workbook類的對(duì)象
 Workbook workbook = new Workbook();
 //加載測(cè)試文檔
 workbook.LoadFromFile("sample.xlsx");
 //獲取第一個(gè)工作表中的第一個(gè)圖表
 Worksheet ws = workbook.Worksheets[1];
 Chart chart = ws.Charts[0];
 //設(shè)置圖表的背景填充色（純色）
 chart.ChartArea.Fill.ForeColor = Color.LightSkyBlue;
 //設(shè)置圖表繪圖區(qū)域的背景填充色（純色）
 //chart.PlotArea.ForeGroundColor = System.Drawing.Color.LightYellow;
 //// 加載圖片，填充整個(gè)圖表區(qū)域
 //chart.ChartArea.Fill.CustomPicture(Image.FromFile("tp.png"), "None");
 ////設(shè)置繪圖區(qū)域的圖片填充的透明度
 //chart.PlotArea.Fill.Transparency = 0.8;
 ////加載圖片，僅填充圖表中的繪圖區(qū)域
 //chart.PlotArea.Fill.CustomPicture(Image.FromFile("tp.png"), "None"); 
 //保存文檔
 workbook.SaveToFile("result3.xlsx", ExcelVersion.Version2010);
 System.Diagnostics.Process.Start("result3.xlsx"); 
 }
 }
}

//實(shí)例化Workbook類的對(duì)象，并加載測(cè)試文檔
Workbook workbook = new Workbook();
workbook.LoadFromFile("test.xlsx");

//獲取工作表中的第一個(gè)圖表
Worksheet ws = workbook.Worksheets[0];
Spire.Xls.Chart chart = ws.Charts[0];

//填充圖例背景色
XlsChartFrameFormat x = chart.Legend.FrameFormat as XlsChartFrameFormat;
//單色填充
x.Fill.FillType = ShapeFillType.SolidColor;
x.ForeGroundColor = Color.Gainsboro;

//漸變色填充
x.Fill.FillType = ShapeFillType.Gradient;
x.ForeGroundColor = Color.AliceBlue;
x.BackGroundColor = Color.Bisque;

//紋理填充
x.Fill.FillType = ShapeFillType.Texture;
x.Fill.Texture = GradientTextureType.Bouquet;

//圖片填充
x.Fill.CustomPicture("img.png");

workbook.SaveToFile("output.xlsx", ExcelVersion.Version2010);

using Spire.Xls;
using Spire.Xls.Charts;
using Spire.Xls.Core.Spreadsheet.Charts;
using System.Drawing;
namespace SetFontOfLegendInChart_XLS
{
 class Program
 {
 static void Main(string[] args)
 {
 //實(shí)例化Workbook類的對(duì)象，并加載測(cè)試文檔
 Workbook workbook = new Workbook();
 workbook.LoadFromFile("test.xlsx");
 //獲取工作表中的第一個(gè)圖表
 Worksheet ws = workbook.Worksheets[0];
 Spire.Xls.Chart chart = ws.Charts[0];
 //填充圖例背景色
 XlsChartFrameFormat x = chart.Legend.FrameFormat as XlsChartFrameFormat;
 //單色填充
 x.Fill.FillType = ShapeFillType.SolidColor;
 x.ForeGroundColor = Color.Gainsboro;
 ////漸變色填充
 //x.Fill.FillType = ShapeFillType.Gradient;
 //x.ForeGroundColor = Color.AliceBlue;
 //x.BackGroundColor = Color.Bisque;
 ////紋理填充
 //x.Fill.FillType = ShapeFillType.Texture;
 //x.Fill.Texture = GradientTextureType.Bouquet;
 ////圖片填充
 //x.Fill.CustomPicture("img.png");
 //保存文檔
 workbook.SaveToFile("output.xlsx", ExcelVersion.Version2010);
 System.Diagnostics.Process.Start("output.xlsx");
 }
 }
}