ApplicationClass xlsApp = new ApplicationClass(); // 1. 创建Excel应用程序对象的一个实例，相当于我们从开始菜单打开Excel应用程序。

if (xlsApp == null )

{

// 对此实例进行验证，如果为null则表示运行此代码的机器可能未安装Excel

}

Workbook workbook = xlsApp.Workbooks.Open(excelFilePath, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

Worksheet mySheet = workbook.Sheets[ 1 ] as Worksheet; // 第一个sheet页

mySheet.Name = " testsheet " ; // 这里修改sheet名称

mySheet.Copy(Type.Missing, workbook.Sheets[ 1 ]); // 复制mySheet成一个新的sheet页，复制完后的名称是mySheet页名称后加一个(2)，这里就是testsheet(2)，复制完后，Worksheet的数量增加一个

xlsApp.DisplayAlerts = false ; // 如果想删除某个sheet页，首先要将此项设为fasle。

(xlsApp.ActiveWorkbook.Sheets[ 1 ] as Worksheet).Delete();

(xlsApp.ActiveWorkbook.Sheets[ 1 ] as Worksheet).Select(Type.Missing); // 选中某个sheet页

workbook.Saved = true ;

workbook.SaveCopyAs(filepath);

workbook.Close( true , Type.Missing, Type.Missing);

workbook = null ;

xlsApp.Quit();

xlsApp = null ;

/// <summary>

///

/// </summary>

/// <param name="dt"></param>

protected void ExportExcel(DataTable dt)

{

if (dt == null || dt.Rows.Count == 0 ) return ;

Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();

if (xlApp == null )

{

return ;

}

System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture;

System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo( " en-US " );

Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;

Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);

Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[ 1 ];

Microsoft.Office.Interop.Excel.Range range;

long totalCount = dt.Rows.Count;

long rowRead = 0 ;

float percent = 0 ;

for ( int i = 0 ; i < dt.Columns.Count; i ++ )

{

worksheet.Cells[ 1 , i + 1 ] = dt.Columns[i].ColumnName;

range = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[ 1 , i + 1 ];

range.Interior.ColorIndex = 15 ;

range.Font.Bold = true ;

}

for ( int r = 0 ; r < dt.Rows.Count; r ++ )

{

for ( int i = 0 ; i < dt.Columns.Count; i ++ )

{

worksheet.Cells[r + 2 , i + 1 ] = dt.Rows[r][i].ToString();

}

rowRead ++ ;

percent = (( float )( 100 * rowRead)) / totalCount;

}

xlApp.Visible = true ;

}

protected void ExportExcel(DataTable dt)

{

if (dt == null || dt.Rows.Count == 0 ) return ;

Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();

if (xlApp == null )

{

return ;

}

System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture;

System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo( " en-US " );

Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;

Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);

Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[ 1 ];

Microsoft.Office.Interop.Excel.Range range;

long totalCount = dt.Rows.Count;

long rowRead = 0 ;

float percent = 0 ;

for ( int i = 0 ; i < dt.Columns.Count; i ++ )

{

worksheet.Cells[ 1 , i + 1 ] = dt.Columns[i].ColumnName;

range = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[ 1 , i + 1 ];

range.Interior.ColorIndex = 15 ;

}

for ( int r = 0 ; r < dt.Rows.Count; r ++ )

{

for ( int i = 0 ; i < dt.Columns.Count; i ++ )

{

try

{

worksheet.Cells[r + 2 , i + 1 ] = dt.Rows[r][i].ToString();

}

catch

{

worksheet.Cells[r + 2 , i + 1 ] = dt.Rows[r][i].ToString().Replace( " = " , "" );

}

}

rowRead ++ ;

percent = (( float )( 100 * rowRead)) / totalCount;

}

worksheet.Shapes.AddPicture( " C:\\Users\\spring\\Desktop\\1.gif " , Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue, 100 , 200 , 200 , 300 );

worksheet.Shapes.AddTextEffect(Microsoft.Office.Core.MsoPresetTextEffect.msoTextEffect1, " 123456 " , " Red " , 15 , Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoTrue, 150 , 200 );

xlApp.Visible = true ;

}

public void GenerateExcel()

{

DataTable dt = new DataTable();

dt.Columns.Add( " Name " , typeof ( string ));

dt.Columns.Add( " Age " , typeof ( string ));

DataRow dr = dt.NewRow();

dr[ " Name " ] = " spring " ;

dr[ " Age " ] = " 20 " ;

dt.Rows.Add(dr);

dt.AcceptChanges();

ExportExcel(dt);

}

worksheet.Shapes.AddPicture( " C:\\Users\\spring\\Desktop\\1.gif " , Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue, 100 , 200 , 200 , 300 );

worksheet.Shapes.AddTextEffect(Microsoft.Office.Core.MsoPresetTextEffect.msoTextEffect1, " 123456 " , " Red " , 15 , Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoTrue, 150 , 200 );

public class ExcelBE

{

private int _row = 0 ;

private int _col = 0 ;

private string _text = string .Empty;

private string _startCell = string .Empty;

private string _endCell = string .Empty;

private string _interiorColor = string .Empty;

private bool _isMerge = false ;

private int _size = 0 ;

private string _fontColor = string .Empty;

private string _format = string .Empty;

public ExcelBE( int row, int col, string text, string startCell, string endCell, string interiorColor, bool isMerge, int size, string fontColor, string format)

{

_row = row;

_col = col;

_text = text;

_startCell = startCell;

_endCell = endCell;

_interiorColor = interiorColor;

_isMerge = isMerge;

_size = size;

_fontColor = fontColor;

_format = format;

}

public ExcelBE()

{ }

public int Row

{

get { return _row; }

set { _row = value; }

}

public int Col

{

get { return _col; }

set { _col = value; }

}

public string Text

{

get { return _text; }

set { _text = value; }

}

public string StartCell

{

get { return _startCell; }

set { _startCell = value; }

}

public string EndCell

{

get { return _endCell; }

set { _endCell = value; }

}

public string InteriorColor

{

get { return _interiorColor; }

set { _interiorColor = value; }

}

public bool IsMerge

{

get { return _isMerge; }

set { _isMerge = value; }

}

public int Size

{

get { return _size; }

set { _size = value; }

}

public string FontColor

{

get { return _fontColor; }

set { _fontColor = value; }

}

public string Formart

{

get { return _format; }

set { _format = value; }

}

}

public class ExcelBase

{

private Microsoft.Office.Interop.Excel.Application app = null ;

private Microsoft.Office.Interop.Excel.Workbook workbook = null ;

private Microsoft.Office.Interop.Excel.Worksheet worksheet = null ;

private Microsoft.Office.Interop.Excel.Range workSheet_range = null ;

public ExcelBase()

{

createDoc();

}

public void createDoc()

{

try

{

app = new Microsoft.Office.Interop.Excel.Application();

app.Visible = true ;

workbook = app.Workbooks.Add( 1 );

worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Sheets[ 1 ];

}

catch (Exception e)

{

Console.Write( " Error " );

}

finally

{

}

}

public void InsertData(ExcelBE be)

{

worksheet.Cells[be.Row, be.Col] = be.Text;

workSheet_range = worksheet.get_Range(be.StartCell, be.EndCell);

workSheet_range.MergeCells = be.IsMerge;

workSheet_range.Interior.Color = GetColorValue(be.InteriorColor);

workSheet_range.Borders.Color = System.Drawing.Color.Black.ToArgb();

workSheet_range.ColumnWidth = be.Size;

workSheet_range.Font.Color = string .IsNullOrEmpty(be.FontColor) ? System.Drawing.Color.White.ToArgb() : System.Drawing.Color.Black.ToArgb();

workSheet_range.NumberFormat = be.Formart;

}

private int GetColorValue( string interiorColor)

{

switch (interiorColor)

{

case " YELLOW " :

return System.Drawing.Color.Yellow.ToArgb();

case " GRAY " :

return System.Drawing.Color.Gray.ToArgb();

case " GAINSBORO " :

return System.Drawing.Color.Gainsboro.ToArgb();

case " Turquoise " :

return System.Drawing.Color.Turquoise.ToArgb();

case " PeachPuff " :

return System.Drawing.Color.PeachPuff.ToArgb();

default :

return System.Drawing.Color.White.ToArgb();

}

}

}

private void btnRun_Click( object sender, EventArgs e)

{

ExcelBase excel = new ExcelBase();

// creates the main header

ExcelBE be = null ;

be = new ExcelBE ( 5 , 2 , " Total of Products " , " B5 " , " D5 " , " YELLOW " , true , 10 , " n " , null );

excel.InsertData(be);

// creates subheaders

be = new ExcelBE ( 6 , 2 , " Sold Product " , " B6 " , " B6 " , " GRAY " , true , 10 , "" , null );

excel.InsertData(be);

be = new ExcelBE( 6 , 3 , "" , " C6 " , " C6 " , " GRAY " , true , 10 , "" , null );

excel.InsertData(be);

be = new ExcelBE ( 6 , 4 , " Initial Total " , " D6 " , " D6 " , " GRAY " , true , 10 , "" , null );

excel.InsertData(be);

// add Data to cells

be = new ExcelBE ( 7 , 2 , " 114287 " , " B7 " , " B7 " , null , false , 10 , "" , " #,##0 " );

excel.InsertData(be);

be = new ExcelBE ( 7 , 3 , "" , " C7 " , " C7 " , null , false , 10 , "" , null );

excel.InsertData(be);

be = new ExcelBE( 7 , 4 , " 129121 " , " D7 " , " D7 " , null , false , 10 , "" , " #,##0 " );

excel.InsertData(be);

// add percentage row

be = new ExcelBE( 8 , 2 , "" , " B8 " , " B8 " , null , false , 10 , "" , "" );

excel.InsertData(be);

be = new ExcelBE( 8 , 3 , " =B7/D7 " , " C8 " , " C8 " , null , false , 10 , "" , " 0.0% " );

excel.InsertData(be);

be = new ExcelBE( 8 , 4 , "" , " D8 " , " D8 " , null , false , 10 , "" , "" );

excel.InsertData(be);

// add empty divider

be = new ExcelBE( 9 , 2 , "" , " B9 " , " D9 " , " GAINSBORO " , true , 10 , "" , null );

excel.InsertData(be);

}