如何在没有安装微软Excel环境下操作Excel文件？

在以前接触的项目中，由于很多客户对微软Excel的操作比较熟练，客户经常要求系统支持对Excel文件的读写。用.NET传统方法对Excel进行读写时，往往会涉及到不同版本兼容的问题，导致在本地测试一切正常，但是到客户那经常会出现各种问题。后来发现一个Spire.XLS的NET库，可以很方便的对不同版本的Excel文件进度操作，还可以生成各种常见的图形。下面结合一个简单的例子，看一下效果：

1、首先要安装Spire.XLS，可以自定百度，然后建立一个windows应用程序WinExcelDemo，注意添加相关dll引用：

2、编写代码，这里当主界面打开时，就开始进行Excel的数据准备和文件生产操作，代码如下：

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10
 11 namespace WinExcelDemo
 12 {
 13     using Spire.Xls;
 14     using Spire.Xls.Charts;
 15     public partial class Form1 : Form
 16     {
 17         public Form1()
 18         {
 19             InitializeComponent();
 20         }
 21
 22         private void Form1_Load(object sender, EventArgs e)
 23         {
 24             Run();
 25         }
 26         private void Run()
 27         {
 28             Workbook workbook = new Workbook();
 29
 30             //初始化 工作簿worksheet
 31             workbook.CreateEmptySheets(1);
 32             Worksheet sheet = workbook.Worksheets[0];
 33             sheet.Name = "数据";
 34             sheet.GridLinesVisible = false;
 35
 36             //创建图形数据
 37             CreateChartData(sheet);
 38             //在工作簿中添加一个新的图表
 39             Chart chart = sheet.Charts.Add();
 40
 41             //设置数据的区域
 42             chart.DataRange = sheet.Range["A1:C5"];
 43             chart.SeriesDataFromRange = false;
 44
 45             //设置图的位置
 46             chart.LeftColumn = 1;
 47             chart.TopRow = 6;
 48             chart.RightColumn = 11;
 49             chart.BottomRow = 29;
 50             //图类型
 51             chart.ChartType = ExcelChartType.Area;
 52             //图标题
 53             chart.ChartTitle = "Sales market by country";
 54             chart.ChartTitleArea.IsBold = true;
 55             chart.ChartTitleArea.Size = 12;
 56
 57             chart.PrimaryCategoryAxis.Title = "Country";
 58             chart.PrimaryCategoryAxis.Font.IsBold = true;
 59             chart.PrimaryCategoryAxis.TitleArea.IsBold = true;
 60
 61             chart.PrimaryValueAxis.Title = "Sales(in Dollars)";
 62             chart.PrimaryValueAxis.HasMajorGridLines = false;
 63             chart.PrimaryValueAxis.TitleArea.TextRotationAngle = 90;
 64             chart.PrimaryValueAxis.MinValue = 1000;
 65             chart.PrimaryValueAxis.TitleArea.IsBold = true;
 66
 67
 68             foreach (Spire.Xls.Charts.ChartSerie cs in chart.Series)
 69             {
 70                 //不同颜色
 71                 cs.Format.Options.IsVaryColor = true;
 72                 //显示数据标签
 73                 cs.DataPoints.DefaultDataPoint.DataLabels.HasValue = true;
 74             }
 75             //Legend位置
 76             chart.Legend.Position = LegendPositionType.Top;
 77             workbook.SaveToFile("Sample.xls");
 78             ExcelDocViewer(workbook.FileName);
 79         }
 80
 81         private void CreateChartData(Worksheet sheet)
 82         {
 83             //Country
 84             sheet.Range["A1"].Value = "Country";
 85             sheet.Range["A2"].Value = "Cuba";
 86             sheet.Range["A3"].Value = "Mexico";
 87             sheet.Range["A4"].Value = "France";
 88             sheet.Range["A5"].Value = "German";
 89
 90             //Jun
 91             sheet.Range["B1"].Value = "Jun";
 92             sheet.Range["B2"].NumberValue = 6000;
 93             sheet.Range["B3"].NumberValue = 8000;
 94             sheet.Range["B4"].NumberValue = 9000;
 95             sheet.Range["B5"].NumberValue = 8500;
 96
 97             //Jun
 98             sheet.Range["C1"].Value = "Aug";
 99             sheet.Range["C2"].NumberValue = 3000;
100             sheet.Range["C3"].NumberValue = 2000;
101             sheet.Range["C4"].NumberValue = 2300;
102             sheet.Range["C5"].NumberValue = 4200;
103
104             //Style
105             sheet.Range["A1:C1"].Style.Font.IsBold = true;
106             sheet.Range["A2:C2"].Style.KnownColor = ExcelColors.LightYellow;
107             sheet.Range["A3:C3"].Style.KnownColor = ExcelColors.LightGreen1;
108             sheet.Range["A4:C4"].Style.KnownColor = ExcelColors.LightOrange;
109             sheet.Range["A5:C5"].Style.KnownColor = ExcelColors.LightTurquoise;
110
111             //Border
112             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeTop].Color = Color.FromArgb(0, 0, 128);
113             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeTop].LineStyle = LineStyleType.Thin;
114             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeBottom].Color = Color.FromArgb(0, 0, 128);
115             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeBottom].LineStyle = LineStyleType.Thin;
116             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeLeft].Color = Color.FromArgb(0, 0, 128);
117             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeLeft].LineStyle = LineStyleType.Thin;
118             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeRight].Color = Color.FromArgb(0, 0, 128);
119             sheet.Range["A1:C5"].Style.Borders[BordersLineType.EdgeRight].LineStyle = LineStyleType.Thin;
120
121             sheet.Range["B2:C5"].Style.NumberFormat = "\"$\"#,##0";
122         }
123
124         private void ExcelDocViewer(string fileName)
125         {
126             try
127             {
128                 //打开生成的Excel
129                 System.Diagnostics.Process.Start(fileName);
130             }
131             catch { }
132         }
133     }
134 }

3、运行代码，可以看到如下结果：

4、总结

上面只是该库很小一部分功能，该库还能对Excel进行分组、支持VBA扩展等功能，该库虽然强大，但是不开源，是商业软件。