C#对Excel的相关操作

using System;
using System.IO;
using System.Text;
using System.Data;
using System.Reflection;
using System.Diagnostics;
using System.Collections;

//using cfg = System.Configuration;

/// <summary>
/// 说    明：Excel输出打印模块
///			  暂时不提供操作Excel对象样式方法，样式可以在Excel模板中设置好
/// </summary>
public class ExcelHelper
{
#region 成员变量
private string templetFile = null;
private string outputFile = null;
private object missing = Missing.Value;
private DateTime beforeTime;			//Excel启动之前时间
private DateTime afterTime;				//Excel启动之后时间
Excel.Application app;
Excel.Workbook workBook;
Excel.Worksheet workSheet;
Excel.Range range;
Excel.Range range1;
Excel.Range range2;
Excel.TextBox textBox;
private int sheetCount = 1;			//WorkSheet数量
private string sheetPrefixName = "页";
#endregion

#region 公共属性
/// <summary>
/// WorkSheet前缀名，比如：前缀名为“页”，那么WorkSheet名称依次为“页-1，页-2...”
/// </summary>
public string SheetPrefixName
{
set { this.sheetPrefixName = value; }
}

/// <summary>
/// WorkSheet数量
/// </summary>
public int WorkSheetCount
{
get { return workBook.Sheets.Count; }
}

/// <summary>
/// Excel模板文件路径
/// </summary>
public string TempletFilePath
{
set { this.templetFile = value; }
}

/// <summary>
/// 输出Excel文件路径
/// </summary>
public string OutputFilePath
{
set { this.outputFile = value; }
}
#endregion

#region 公共方法

#region ExcelHelper
/// <summary>
/// 构造函数，将一个已有Excel工作簿作为模板，并指定输出路径
/// </summary>
/// <param name="templetFilePath">Excel模板文件路径</param>
/// <param name="outputFilePath">输出Excel文件路径</param>
public ExcelHelper(string templetFilePath, string outputFilePath)
{
if (templetFilePath == null)
throw new Exception("Excel模板文件路径不能为空！");

if (outputFilePath == null)
throw new Exception("输出Excel文件路径不能为空！");

if (!File.Exists(templetFilePath))
throw new Exception("指定路径的Excel模板文件不存在！");

this.templetFile = templetFilePath;
this.outputFile = outputFilePath;

//创建一个Application对象并使其可见
beforeTime = DateTime.Now;
app = new Excel.ApplicationClass();
app.Visible = true;
afterTime = DateTime.Now;

//打开模板文件，得到WorkBook对象
workBook = app.Workbooks.Open(templetFile, missing, missing, missing, missing, missing,
missing, missing, missing, missing, missing, missing, missing);

//得到WorkSheet对象
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);

}

/// <summary>
/// 构造函数，打开一个已有的工作簿
/// </summary>
/// <param name="fileName">Excel文件名</param>
public ExcelHelper(string fileName)
{
if (!File.Exists(fileName))
throw new Exception("指定路径的Excel文件不存在！");

//创建一个Application对象并使其可见
beforeTime = DateTime.Now;
app = new Excel.ApplicationClass();
app.Visible = true;
afterTime = DateTime.Now;

//打开一个WorkBook
workBook = app.Workbooks.Open(fileName,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing);

//得到WorkSheet对象
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);

}

/// <summary>
/// 构造函数，新建一个工作簿
/// </summary>
public ExcelHelper()
{
//创建一个Application对象并使其可见
beforeTime = DateTime.Now;
app = new Excel.ApplicationClass();
//app.Visible = true; 不自动打开
afterTime = DateTime.Now;

//新建一个WorkBook
workBook = app.Workbooks.Add(Type.Missing);

//得到WorkSheet对象
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);

}
#endregion

#region Data Export Methods

/// <summary>
/// 将DataTable数据写入Excel文件（自动分页）
/// </summary>
/// <param name="dt">DataTable</param>
/// <param name="rows">每个WorkSheet写入多少行数据</param>
/// <param name="top">表格数据起始行索引</param>
/// <param name="left">表格数据起始列索引</param>
public void DataTableToExcel(DataTable dt, int rows, int top, int left)
{
int rowCount = dt.Rows.Count;		//DataTable行数
int colCount = dt.Columns.Count;	//DataTable列数
sheetCount = this.GetSheetCount(rowCount, rows);	//WorkSheet个数
//			StringBuilder sb;

//复制sheetCount-1个WorkSheet对象
for (int i = 1; i < sheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Copy(missing, workBook.Worksheets[i]);
}

for (int i = 1; i <= sheetCount; i++)
{
int startRow = (i - 1) * rows;		//记录起始行索引
int endRow = i * rows;			//记录结束行索引

//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
if (i == sheetCount)
endRow = rowCount;

//获取要写入数据的WorkSheet对象，并重命名
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Name = sheetPrefixName + "-" + i.ToString();

//将dt中的数据写入WorkSheet
//				for(int j=0;j<endRow-startRow;j++)
//				{
//					for(int k=0;k<colCount;k++)
//					{
//						workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();
//					}
//				}

//利用二维数组批量写入
int row = endRow - startRow;
string[,] ss = new string[row, colCount];

for (int j = 0; j < row; j++)
{
for (int k = 0; k < colCount; k++)
{
ss[j, k] = dt.Rows[startRow + j][k].ToString();
}
}

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(row, colCount);
range.Value = ss;

#region 利用Windwo粘贴板批量拷贝数据（在Web下面行不通）
/*sb = new StringBuilder();

for(int j=0;j<endRow-startRow;j++)
{
for(int k=0;k<colCount;k++)
{
sb.Append( dt.Rows[startRow + j][k].ToString() );
sb.Append("/t");
}

sb.Append("/n");
}

System.Windows.Forms.Clipboard.SetDataObject(sb.ToString());

range = (Excel.Range)workSheet.Cells[top,left];
workSheet.Paste(range,false);*/
#endregion

}
}

/// <summary>
/// 将DataTable数据写入Excel文件（不分页）
/// </summary>
/// <param name="dt">DataTable</param>
/// <param name="top">表格数据起始行索引</param>
/// <param name="left">表格数据起始列索引</param>
public void DataTableToExcel(DataTable dt, int top, int left)
{
int rowCount = dt.Rows.Count;		//DataTable行数
int colCount = dt.Columns.Count;	//DataTable列数

//利用二维数组批量写入
string[,] arr = new string[rowCount+1, colCount+1];
for (int i = 0; i < colCount;i++ )
{
arr[0, i] = dt.Columns[i].ColumnName.ToString();
}

for (int j = 0; j < rowCount; j++)
{
for (int k = 0; k < colCount; k++)
{
arr[j+1, k] = dt.Rows[j][k].ToString();
}
}

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(rowCount+1, colCount+1);
range.Value = arr;
}

/// <summary>
/// 将DataTable数据写入Excel文件（自动分页，并指定要合并的列索引）
/// </summary>
/// <param name="dt">DataTable</param>
/// <param name="rows">每个WorkSheet写入多少行数据</param>
/// <param name="top">表格数据起始行索引</param>
/// <param name="left">表格数据起始列索引</param>
/// <param name="mergeColumnIndex">DataTable中要合并相同行的列索引，从0开始</param>
public void DataTableToExcel(DataTable dt, int rows, int top, int left, int mergeColumnIndex)
{
int rowCount = dt.Rows.Count;		//源DataTable行数
int colCount = dt.Columns.Count;	//源DataTable列数
sheetCount = this.GetSheetCount(rowCount, rows);	//WorkSheet个数
//			StringBuilder sb;

//复制sheetCount-1个WorkSheet对象
for (int i = 1; i < sheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Copy(missing, workBook.Worksheets[i]);
}

for (int i = 1; i <= sheetCount; i++)
{
int startRow = (i - 1) * rows;		//记录起始行索引
int endRow = i * rows;			//记录结束行索引

//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
if (i == sheetCount)
endRow = rowCount;

//获取要写入数据的WorkSheet对象，并重命名
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Name = sheetPrefixName + "-" + i.ToString();

//将dt中的数据写入WorkSheet
//				for(int j=0;j<endRow-startRow;j++)
//				{
//					for(int k=0;k<colCount;k++)
//					{
//						workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();
//					}
//				}

//利用二维数组批量写入
int row = endRow - startRow;
string[,] ss = new string[row, colCount];

for (int j = 0; j < row; j++)
{
for (int k = 0; k < colCount; k++)
{
ss[j, k] = dt.Rows[startRow + j][k].ToString();
}
}

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(row, colCount);
range.Value = ss;

//合并相同行
this.MergeRows(workSheet, left + mergeColumnIndex, top, rows);

}
}

/// <summary>
/// 将二维数组数据写入Excel文件（自动分页）
/// </summary>
/// <param name="arr">二维数组</param>
/// <param name="rows">每个WorkSheet写入多少行数据</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
public void ArrayToExcel(string[,] arr, int rows, int top, int left)
{
int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）
sheetCount = this.GetSheetCount(rowCount, rows);	//WorkSheet个数

//复制sheetCount-1个WorkSheet对象
for (int i = 1; i < sheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Copy(missing, workBook.Worksheets[i]);
}

//将二维数组数据写入Excel
for (int i = sheetCount; i >= 1; i--)
{
int startRow = (i - 1) * rows;		//记录起始行索引
int endRow = i * rows;			//记录结束行索引

//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
if (i == sheetCount)
endRow = rowCount;

//获取要写入数据的WorkSheet对象，并重命名
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Name = sheetPrefixName + "-" + i.ToString();

//将二维数组中的数据写入WorkSheet
//				for(int j=0;j<endRow-startRow;j++)
//				{
//					for(int k=0;k<colCount;k++)
//					{
//						workSheet.Cells[top + j,left + k] = arr[startRow + j,k];
//					}
//				}

//利用二维数组批量写入
int row = endRow - startRow;
string[,] ss = new string[row, colCount];

for (int j = 0; j < row; j++)
{
for (int k = 0; k < colCount; k++)
{
ss[j, k] = arr[startRow + j, k];
}
}

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(row, colCount);
range.Value = ss;
}

}//end ArrayToExcel

/// <summary>
/// 将二维数组数据写入Excel文件（不分页）
/// </summary>
/// <param name="arr">二维数组</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
public void ArrayToExcel(string[,] arr, int top, int left)
{
int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(rowCount, colCount);
range.FormulaArray = arr;

}//end ArrayToExcel

/// <summary>
/// 将二维数组数据写入Excel文件（不分页）
/// </summary>
/// <param name="arr">二维数组</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
/// <param name="isFormula">填充的数据是否需要计算</param>
public void ArrayToExcel(string[,] arr, int top, int left, bool isFormula)
{
int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(rowCount, colCount);

//注意：使用range.FormulaArray写合并的单元格会出问题
if (isFormula)
range.FormulaArray = arr;
else
range.Value = arr;

}//end ArrayToExcel

/// <summary>
/// 将二维数组数据写入Excel文件（不分页），合并指定列的相同行
/// </summary>
/// <param name="arr">二维数组</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
/// <param name="isFormula">填充的数据是否需要计算</param>
/// <param name="mergeColumnIndex">需要合并行的列索引</param>
public void ArrayToExcel(string[,] arr, int top, int left, bool isFormula, int mergeColumnIndex)
{
int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(rowCount, colCount);

//注意：使用range.FormulaArray写合并的单元格会出问题
if (isFormula)
range.FormulaArray = arr;
else
range.Value = arr;

this.MergeRows(workSheet, mergeColumnIndex, top, rowCount);

}//end ArrayToExcel

/// <summary>
/// 将二维数组数据写入Excel文件（不分页）
/// </summary>
/// <param name="sheetIndex">工作表索引</param>
/// <param name="arr">二维数组</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
public void ArrayToExcel(int sheetIndex, string[,] arr, int top, int left)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

// 改变当前工作表
this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex);

int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(rowCount, colCount);

range.Value2 = arr;

}//end ArrayToExcel

/// <summary>
/// 将二维数组数据写入Excel文件（自动分页，并指定要合并的列索引）
/// </summary>
/// <param name="arr">二维数组</param>
/// <param name="rows">每个WorkSheet写入多少行数据</param>
/// <param name="top">行索引</param>
/// <param name="left">列索引</param>
/// <param name="mergeColumnIndex">数组的二维索引，相当于DataTable的列索引，索引从0开始</param>
public void ArrayToExcel(string[,] arr, int rows, int top, int left, int mergeColumnIndex)
{
int rowCount = arr.GetLength(0);		//二维数组行数（一维长度）
int colCount = arr.GetLength(1);	//二维数据列数（二维长度）
sheetCount = this.GetSheetCount(rowCount, rows);	//WorkSheet个数

//复制sheetCount-1个WorkSheet对象
for (int i = 1; i < sheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Copy(missing, workBook.Worksheets[i]);
}

//将二维数组数据写入Excel
for (int i = sheetCount; i >= 1; i--)
{
int startRow = (i - 1) * rows;		//记录起始行索引
int endRow = i * rows;			//记录结束行索引

//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
if (i == sheetCount)
endRow = rowCount;

//获取要写入数据的WorkSheet对象，并重命名
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
workSheet.Name = sheetPrefixName + "-" + i.ToString();

//将二维数组中的数据写入WorkSheet
for (int j = 0; j < endRow - startRow; j++)
{
for (int k = 0; k < colCount; k++)
{
workSheet.Cells[top + j, left + k] = arr[startRow + j, k];
}
}

//利用二维数组批量写入
int row = endRow - startRow;
string[,] ss = new string[row, colCount];

for (int j = 0; j < row; j++)
{
for (int k = 0; k < colCount; k++)
{
ss[j, k] = arr[startRow + j, k];
}
}

range = (Excel.Range)workSheet.Cells[top, left];
range = range.get_Resize(row, colCount);
range.Value = ss;

//合并相同行
this.MergeRows(workSheet, left + mergeColumnIndex, top, rows);
}

}//end ArrayToExcel
#endregion

#region WorkSheet Methods

/// <summary>
/// 改变当前工作表
/// </summary>
/// <param name="sheetIndex">工作表索引</param>
public void ChangeCurrentWorkSheet(int sheetIndex)
{
//若指定工作表索引超出范围，则不改变当前工作表
if (sheetIndex < 1)
return;

if (sheetIndex > this.WorkSheetCount)
return;

this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex);
}
/// <summary>
/// 隐藏指定名称的工作表
/// </summary>
/// <param name="sheetName">工作表名称</param>
public void HiddenWorkSheet(string sheetName)
{
try
{
Excel.Worksheet sheet = null;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);

if (workSheet.Name == sheetName)
sheet = workSheet;
}

if (sheet != null)
sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden;
else
{
this.KillExcelProcess();
throw new Exception("名称为/"" + sheetName + "/"的工作表不存在");
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 隐藏指定索引的工作表
/// </summary>
/// <param name="sheetIndex"></param>
public void HiddenWorkSheet(int sheetIndex)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
Excel.Worksheet sheet = null;
sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex);

sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden;
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 在指定名称的工作表后面拷贝指定个数的该工作表的副本，并重命名
/// </summary>
/// <param name="sheetName">工作表名称</param>
/// <param name="sheetCount">工作表个数</param>
public void CopyWorkSheets(string sheetName, int sheetCount)
{
try
{
Excel.Worksheet sheet = null;
int sheetIndex = 0;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);

if (workSheet.Name == sheetName)
{
sheet = workSheet;
sheetIndex = workSheet.Index;
}
}

if (sheet != null)
{
for (int i = sheetCount; i >= 1; i--)
{
sheet.Copy(this.missing, sheet);
}

//重命名
for (int i = sheetIndex; i <= sheetIndex + sheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);
workSheet.Name = sheetName + "-" + Convert.ToString(i - sheetIndex + 1);
}
}
else
{
this.KillExcelProcess();
throw new Exception("名称为/"" + sheetName + "/"的工作表不存在");
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 将一个工作表拷贝到另一个工作表后面，并重命名
/// </summary>
/// <param name="srcSheetIndex">拷贝源工作表索引</param>
/// <param name="aimSheetIndex">参照位置工作表索引，新工作表拷贝在该工作表后面</param>
/// <param name="newSheetName"></param>
public void CopyWorkSheet(int srcSheetIndex, int aimSheetIndex, string newSheetName)
{
if (srcSheetIndex > this.WorkSheetCount || aimSheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
Excel.Worksheet srcSheet = (Excel.Worksheet)workBook.Sheets.get_Item(srcSheetIndex);
Excel.Worksheet aimSheet = (Excel.Worksheet)workBook.Sheets.get_Item(aimSheetIndex);

srcSheet.Copy(this.missing, aimSheet);

//重命名
workSheet = (Excel.Worksheet)aimSheet.Next;		//获取新拷贝的工作表
workSheet.Name = newSheetName;
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 根据名称删除工作表
/// </summary>
/// <param name="sheetName"></param>
public void DeleteWorkSheet(string sheetName)
{
try
{
Excel.Worksheet sheet = null;

//找到名称位sheetName的工作表
for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);

if (workSheet.Name == sheetName)
{
sheet = workSheet;
}
}

if (sheet != null)
{
sheet.Delete();
}
else
{
this.KillExcelProcess();
throw new Exception("名称为/"" + sheetName + "/"的工作表不存在");
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 根据索引删除工作表
/// </summary>
/// <param name="sheetIndex"></param>
public void DeleteWorkSheet(int sheetIndex)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
Excel.Worksheet sheet = null;
sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex);

sheet.Delete();
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

#endregion

#region TextBox Methods
/// <summary>
/// 向指定文本框写入数据，对每个WorkSheet操作
/// </summary>
/// <param name="textboxName">文本框名称</param>
/// <param name="text">要写入的文本</param>
public void SetTextBox(string textboxName, string text)
{
for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);

try
{
textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName);
textBox.Text = text;
}
catch
{
this.KillExcelProcess();
throw new Exception("不存在ID为/"" + textboxName + "/"的文本框！");
}
}
}

/// <summary>
/// 向指定文本框写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">工作表索引</param>
/// <param name="textboxName">文本框名称</param>
/// <param name="text">要写入的文本</param>
public void SetTextBox(int sheetIndex, string textboxName, string text)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);

try
{
textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName);
textBox.Text = text;
}
catch
{
this.KillExcelProcess();
throw new Exception("不存在ID为/"" + textboxName + "/"的文本框！");
}
}

/// <summary>
/// 向文本框写入数据，对每个WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param>
public void SetTextBoxes(Hashtable ht)
{
if (ht.Count == 0) return;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);

foreach (DictionaryEntry dic in ht)
{
try
{
textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key);
textBox.Text = dic.Value.ToString();
}
catch
{
this.KillExcelProcess();
throw new Exception("不存在ID为/"" + dic.Key.ToString() + "/"的文本框！");
}
}
}
}

/// <summary>
/// 向文本框写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param>
public void SetTextBoxes(int sheetIndex, Hashtable ht)
{
if (ht.Count == 0) return;

if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);

foreach (DictionaryEntry dic in ht)
{
try
{
textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key);
textBox.Text = dic.Value.ToString();
}
catch
{
this.KillExcelProcess();
throw new Exception("不存在ID为/"" + dic.Key.ToString() + "/"的文本框！");
}
}
}
#endregion

#region Cell Methods
/// <summary>
/// 向单元格写入数据，对当前WorkSheet操作
/// </summary>
/// <param name="rowIndex">行索引</param>
/// <param name="columnIndex">列索引</param>
/// <param name="text">要写入的文本值</param>
public void SetCells(int rowIndex, int columnIndex, string text)
{
try
{
workSheet.Cells[rowIndex, columnIndex] = text;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！");
}
}

/// <summary>
/// 向单元格写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">工作表索引</param>
/// <param name="rowIndex">行索引</param>
/// <param name="columnIndex">列索引</param>
/// <param name="text">要写入的文本值</param>
public void SetCells(int sheetIndex, int rowIndex, int columnIndex, string text)
{
try
{
this.ChangeCurrentWorkSheet(sheetIndex);	//改变当前工作表为指定工作表
workSheet.Cells[rowIndex, columnIndex] = text;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！");
}
}

/// <summary>
/// 向单元格写入数据，对每个WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(Hashtable ht)
{
int rowIndex;
int columnIndex;
string position;

if (ht.Count == 0) return;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);

foreach (DictionaryEntry dic in ht)
{
try
{
position = dic.Key.ToString();
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);

workSheet.Cells[rowIndex, columnIndex] = dic.Value;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + dic.Key + "]写数据出错！");
}
}
}
}

/// <summary>
/// 向单元格写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(int sheetIndex, Hashtable ht)
{
int rowIndex;
int columnIndex;
string position;

if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

if (ht.Count == 0) return;

workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);

foreach (DictionaryEntry dic in ht)
{
try
{
position = dic.Key.ToString();
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);

workSheet.Cells[rowIndex, columnIndex] = dic.Value;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + dic.Key + "]写数据出错！");
}
}
}

/// <summary>
/// 设置单元格为可计算的
/// </summary>
/// <remarks>
/// 如果Excel的单元格格式设置为数字，日期或者其他类型时，需要设置这些单元格的FormulaR1C1属性，
/// 否则写到这些单元格的数据将不会按照预先设定的格式显示
/// </remarks>
/// <param name="arr">保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(int sheetIndex, string[] arr)
{
int rowIndex;
int columnIndex;
string position;

if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

if (arr.Length == 0) return;

workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);

for (int i = 0; i < arr.Length; i++)
{
try
{
position = arr[i];
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);

Excel.Range cell = (Excel.Range)workSheet.Cells[rowIndex, columnIndex];
cell.FormulaR1C1 = cell.Text;
}
catch
{
this.KillExcelProcess();
throw new Exception(string.Format("计算单元格{0}出错！", arr[i]));
}
}
}

/// <summary>
/// 向单元格写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(string sheetName, Hashtable ht)
{
int rowIndex;
int columnIndex;
string position;
Excel.Worksheet sheet = null;
int sheetIndex = 0;

if (ht.Count == 0) return;

try
{
for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);

if (workSheet.Name == sheetName)
{
sheet = workSheet;
sheetIndex = workSheet.Index;
}
}

if (sheet != null)
{
foreach (DictionaryEntry dic in ht)
{
try
{
position = dic.Key.ToString();
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);

sheet.Cells[rowIndex, columnIndex] = dic.Value;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + dic.Key + "]写数据出错！");
}
}
}
else
{
this.KillExcelProcess();
throw new Exception("名称为/"" + sheetName + "/"的工作表不存在");
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 合并单元格，并赋值，对每个WorkSheet操作
/// </summary>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
public void MergeCells(int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text)
{
for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]);

range.ClearContents();		//先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value = text;
range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}
}

/// <summary>
/// 合并单元格，并赋值，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
public void MergeCells(int sheetIndex, int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);
range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]);

range.ClearContents();		//先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value = text;
range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}
#endregion

#region Row Methods
/// <summary>
/// 将指定索引列的数据相同的行合并，对每个WorkSheet操作
/// </summary>
/// <param name="columnIndex">列索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="endRowIndex">结束行索引</param>
public void MergeRows(int columnIndex, int beginRowIndex, int endRowIndex)
{
if (endRowIndex - beginRowIndex < 1)
return;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
int beginIndex = beginRowIndex;
int count = 0;
string text1;
string text2;
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);

for (int j = beginRowIndex; j <= endRowIndex; j++)
{
range = (Excel.Range)workSheet.Cells[j, columnIndex];
text1 = range.Text.ToString();

range = (Excel.Range)workSheet.Cells[j + 1, columnIndex];
text2 = range.Text.ToString();

if (text1 == text2)
{
++count;
}
else
{
if (count > 0)
{
this.MergeCells(workSheet, beginIndex, columnIndex, beginIndex + count, columnIndex, text1);
}

beginIndex = j + 1;		//设置开始合并行索引
count = 0;		//计数器清0
}

}

}
}

/// <summary>
/// 将指定索引列的数据相同的行合并，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="columnIndex">列索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="endRowIndex">结束行索引</param>
public void MergeRows(int sheetIndex, int columnIndex, int beginRowIndex, int endRowIndex)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

if (endRowIndex - beginRowIndex < 1)
return;

int beginIndex = beginRowIndex;
int count = 0;
string text1;
string text2;
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);

for (int j = beginRowIndex; j <= endRowIndex; j++)
{
range = (Excel.Range)workSheet.Cells[j, columnIndex];
text1 = range.Text.ToString();

range = (Excel.Range)workSheet.Cells[j + 1, columnIndex];
text2 = range.Text.ToString();

if (text1 == text2)
{
++count;
}
else
{
if (count > 0)
{
this.MergeCells(workSheet, beginIndex, columnIndex, beginIndex + count, columnIndex, text1);
}

beginIndex = j + 1;		//设置开始合并行索引
count = 0;		//计数器清0
}

}

}

/// <summary>
/// 插行（在指定行上面插入指定数量行）
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void InsertRows(int rowIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
range = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 0; i < count; i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 插行（在指定WorkSheet指定行上面插入指定数量行）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void InsertRows(int sheetIndex, int rowIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 0; i < count; i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 复制行（在指定行下面复制指定数量行）
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void CopyRows(int rowIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
range1 = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 1; i <= count; i++)
{
range2 = (Excel.Range)workSheet.Rows[rowIndex + i, this.missing];
range1.Copy(range2);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 复制行（在指定WorkSheet指定行下面复制指定数量行）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void CopyRows(int sheetIndex, int rowIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range1 = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 1; i <= count; i++)
{
range2 = (Excel.Range)workSheet.Rows[rowIndex + i, this.missing];
range1.Copy(range2);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 删除行
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void DeleteRows(int rowIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
range = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 0; i < count; i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 删除行
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void DeleteRows(int sheetIndex, int rowIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Rows[rowIndex, this.missing];

for (int i = 0; i < count; i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

#endregion

#region Column Methods

/// <summary>
/// 插列（在指定列右边插入指定数量列）
/// </summary>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void InsertColumns(int columnIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
range = (Excel.Range)workSheet.Columns[this.missing, columnIndex];

for (int i = 0; i < count; i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 插列（在指定WorkSheet指定列右边插入指定数量列）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void InsertColumns(int sheetIndex, int columnIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Columns[this.missing, columnIndex];

for (int i = 0; i < count; i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 复制列（在指定列右边复制指定数量列）
/// </summary>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void CopyColumns(int columnIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
//					range1 = (Excel.Range)workSheet.Columns[columnIndex,this.missing];
range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex) + "1", this.IntToLetter(columnIndex) + "10000");

for (int i = 1; i <= count; i++)
{
//						range2 = (Excel.Range)workSheet.Columns[this.missing,columnIndex + i];
range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex + i) + "1", this.IntToLetter(columnIndex + i) + "10000");
range1.Copy(range2);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 复制列（在指定WorkSheet指定列右边复制指定数量列）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void CopyColumns(int sheetIndex, int columnIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
//				range1 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex];
range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex) + "1", this.IntToLetter(columnIndex) + "10000");

for (int i = 1; i <= count; i++)
{
//					range2 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex + i];
range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex + i) + "1", this.IntToLetter(columnIndex + i) + "10000");
range1.Copy(range2);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 删除列
/// </summary>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void DeleteColumns(int columnIndex, int count)
{
try
{
for (int n = 1; n <= this.WorkSheetCount; n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets
;
range = (Excel.Range)workSheet.Columns[this.missing, columnIndex];

for (int i = 0; i < count; i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 删除列
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void DeleteColumns(int sheetIndex, int columnIndex, int count)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Columns[this.missing, columnIndex];

for (int i = 0; i < count; i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

#endregion

#region Range Methods

/// <summary>
/// 将指定范围区域拷贝到目标区域
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="startCell">要拷贝区域的开始Cell位置（比如：A10）</param>
/// <param name="endCell">要拷贝区域的结束Cell位置（比如：F20）</param>
/// <param name="targetCell">目标区域的开始Cell位置（比如：H10）</param>
public void RangeCopy(int sheetIndex, string startCell, string endCell, string targetCell)
{
if (sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}

try
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);
range1 = workSheet.get_Range(startCell, endCell);
range2 = workSheet.get_Range(targetCell, this.missing);

range1.Copy(range2);
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 将指定范围区域拷贝到目标区域
/// </summary>
/// <param name="sheetName">WorkSheet名称</param>
/// <param name="startCell">要拷贝区域的开始Cell位置（比如：A10）</param>
/// <param name="endCell">要拷贝区域的结束Cell位置（比如：F20）</param>
/// <param name="targetCell">目标区域的开始Cell位置（比如：H10）</param>
public void RangeCopy(string sheetName, string startCell, string endCell, string targetCell)
{
try
{
Excel.Worksheet sheet = null;

for (int i = 1; i <= this.WorkSheetCount; i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);

if (workSheet.Name == sheetName)
{
sheet = workSheet;
}
}

if (sheet != null)
{
for (int i = sheetCount; i >= 1; i--)
{
range1 = sheet.get_Range(startCell, endCell);
range2 = sheet.get_Range(targetCell, this.missing);

range1.Copy(range2);
}
}
else
{
this.KillExcelProcess();
throw new Exception("名称为/"" + sheetName + "/"的工作表不存在");
}
}
catch (Exception e)
{
this.KillExcelProcess();
throw e;
}
}

/// <summary>
/// 自动填充
/// </summary>
public void RangAutoFill()
{
Excel.Range rng = workSheet.get_Range("B4", Type.Missing);
rng.Value2 = "星期一 ";
rng.AutoFill(workSheet.get_Range("B4", "B9"),
Excel.XlAutoFillType.xlFillWeekdays);

rng = workSheet.get_Range("C4", Type.Missing);
rng.Value = "一月";
rng.AutoFill(workSheet.get_Range("C4", "C9"),
Excel.XlAutoFillType.xlFillMonths);

rng = workSheet.get_Range("D4", Type.Missing);
rng.Value2 = "1";
rng.AutoFill(workSheet.get_Range("D4", "D9"),
Excel.XlAutoFillType.xlFillSeries);

rng = workSheet.get_Range("E4", Type.Missing);
rng.Value2 = "3";
rng = workSheet.get_Range("E5", Type.Missing);
rng.Value2 = "6";
rng = workSheet.get_Range("E4", "E5");
rng.AutoFill(workSheet.get_Range("E4", "E9"),
Excel.XlAutoFillType.xlFillSeries);

}

/// <summary>
/// 应用样式
/// </summary>
public void ApplyStyle()
{
object missingValue = Type.Missing;
Excel.Range rng = workSheet.get_Range("B3", "L23");
Excel.Style style;

try
{
style = workBook.Styles["NewStyle"];
}
// Style doesn't exist yet.
catch
{
style = workBook.Styles.Add("NewStyle", missingValue);
style.Font.Name = "Verdana";
style.Font.Size = 12;
style.Font.Color = 255;
style.Interior.Color = (200 << 16) | (200 << 8) | 200;
style.Interior.Pattern = Excel.XlPattern.xlPatternSolid;
}

rng.Value2 = "'Style Test";
rng.Style = "NewStyle";
rng.Columns.AutoFit();
}

#endregion

#region ExcelHelper Kit
/// <summary>
/// 将Excel列的字母索引值转换成整数索引值
/// </summary>
/// <param name="letter"></param>
/// <returns></returns>
public int LetterToInt(string letter)
{
int n = 0;

if (letter.Trim().Length == 0)
throw new Exception("不接受空字符串！");

if (letter.Length >= 2)
{
char c1 = letter.ToCharArray(0, 2)[0];
char c2 = letter.ToCharArray(0, 2)[1];

if (!char.IsLetter(c1) || !char.IsLetter(c2))
{
throw new Exception("格式不正确，必须是字母！");
}

c1 = char.ToUpper(c1);
c2 = char.ToUpper(c2);

int i = Convert.ToInt32(c1) - 64;
int j = Convert.ToInt32(c2) - 64;

n = i * 26 + j;
}

if (letter.Length == 1)
{
char c1 = letter.ToCharArray()[0];

if (!char.IsLetter(c1))
{
throw new Exception("格式不正确，必须是字母！");
}

c1 = char.ToUpper(c1);

n = Convert.ToInt32(c1) - 64;
}

if (n > 256)
throw new Exception("索引超出范围，Excel的列索引不能超过256！");

return n;
}

/// <summary>
/// 将Excel列的整数索引值转换为字符索引值
/// </summary>
/// <param name="n"></param>
/// <returns></returns>
public string IntToLetter(int n)
{
if (n > 256)
throw new Exception("索引超出范围，Excel的列索引不能超过256！");

int i = Convert.ToInt32(n / 26);
int j = n % 26;

char c1 = Convert.ToChar(i + 64);
char c2 = Convert.ToChar(j + 64);

if (n > 26)
return c1.ToString() + c2.ToString();
else if (n == 26)
return "Z";
else
return c2.ToString();
}

#endregion

#region Output File(注意：如果目标文件已存在的话会出错)
/// <summary>
/// 输出Excel文件并退出
/// </summary>
public void OutputExcelFile()
{
if (this.outputFile == null)
throw new Exception("没有指定输出文件路径！");

try
{
workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 输出指定格式的文件（支持格式：HTML，CSV，TEXT，EXCEL）
/// </summary>
/// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>
public void OutputFile(string format)
{
if (this.outputFile == null)
throw new Exception("没有指定输出文件路径！");

try
{
switch (format)
{
case "HTML":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "CSV":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlCSV, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "TEXT":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
//					case "XML":
//					{
//						workBook.SaveAs(outputFile,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,
//							Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,
//							Type.Missing, Type.Missing, Type.Missing, Type.Missing,	Type.Missing);
//						break;
//
//					}
default:
{
workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
}
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 保存文件
/// </summary>
public void SaveFile()
{
try
{
workBook.Save();
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 另存文件
/// </summary>
public void SaveAsFile()
{
if (this.outputFile == null)
throw new Exception("没有指定输出文件路径！");

try
{
workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 将Excel文件另存为指定格式
/// </summary>
/// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>
public void SaveAsFile(string format)
{
if (this.outputFile == null)
throw new Exception("没有指定输出文件路径！");

try
{
switch (format)
{
case "HTML":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "CSV":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlCSV, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "TEXT":
{
workBook.SaveAs(outputFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
//					case "XML":
//					{
//						workBook.SaveAs(outputFile,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,
//							Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,
//							Type.Missing, Type.Missing, Type.Missing, Type.Missing,	Type.Missing);
//						break;
//					}
default:
{
workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
}
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 另存文件
/// </summary>
/// <param name="fileName">文件名</param>
public void SaveFile(string fileName)
{
try
{
workBook.SaveAs(fileName, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}

/// <summary>
/// 将Excel文件另存为指定格式
/// </summary>
/// <param name="fileName">文件名</param>
/// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>
public void SaveAsFile(string fileName, string format)
{
try
{
switch (format)
{
case "HTML":
{
workBook.SaveAs(fileName, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "CSV":
{
workBook.SaveAs(fileName, Excel.XlFileFormat.xlCSV, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
case "TEXT":
{
workBook.SaveAs(fileName, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
//					case "XML":
//					{
//						workBook.SaveAs(fileName,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,
//							Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,
//							Type.Missing, Type.Missing, Type.Missing, Type.Missing,	Type.Missing);
//						break;
//					}
default:
{
workBook.SaveAs(fileName, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing);
break;
}
}
}
catch (Exception e)
{
throw e;
}
finally
{
this.Dispose();
}
}
#endregion

#endregion

#region 私有方法

/// <summary>
/// 合并单元格，并赋值，对指定WorkSheet操作
/// </summary>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
private void MergeCells(Excel.Worksheet sheet, int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text)
{
if (sheet == null)
return;

range = sheet.get_Range(sheet.Cells[beginRowIndex, beginColumnIndex], sheet.Cells[endRowIndex, endColumnIndex]);

range.ClearContents();		//先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value = text;
range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}

/// <summary>
/// 将指定索引列的数据相同的行合并，对指定WorkSheet操作
/// </summary>
/// <param name="columnIndex">要合并的列索引</param>
/// <param name="beginRowIndex">合并开始行索引</param>
/// <param name="rows">要合并的行数</param>
private void MergeRows(Excel.Worksheet sheet, int columnIndex, int beginRowIndex, int rows)
{
int beginIndex = beginRowIndex;
int count = 0;
string text1;
string text2;

if (sheet == null)
return;

for (int j = beginRowIndex; j < beginRowIndex + rows; j++)
{
range1 = (Excel.Range)sheet.Cells[j, columnIndex];
range2 = (Excel.Range)sheet.Cells[j + 1, columnIndex];
text1 = range1.Text.ToString();
text2 = range2.Text.ToString();

if (text1 == text2)
{
++count;
}
else
{
if (count > 0)
{
this.MergeCells(sheet, beginIndex, columnIndex, beginIndex + count, columnIndex, text1);
}

beginIndex = j + 1;		//设置开始合并行索引
count = 0;		//计数器清0
}

}

}

/// <summary>
/// 计算WorkSheet数量
/// </summary>
/// <param name="rowCount">记录总行数</param>
/// <param name="rows">每WorkSheet行数</param>
public int GetSheetCount(int rowCount, int rows)
{
int n = rowCount % rows;		//余数

if (n == 0)
return rowCount / rows;
else
return Convert.ToInt32(rowCount / rows) + 1;
}

/// <summary>
/// 结束Excel进程
/// </summary>
public void KillExcelProcess()
{
Process[] myProcesses;
DateTime startTime;
myProcesses = Process.GetProcessesByName("Excel");

//得不到Excel进程ID，暂时只能判断进程启动时间
foreach (Process myProcess in myProcesses)
{
startTime = myProcess.StartTime;

if (startTime > beforeTime && startTime < afterTime)
{
myProcess.Kill();
}
}
}

private void Dispose()
{
workBook.Close(null, null, null);
app.Workbooks.Close();
app.Quit();

if (range != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(range);
range = null;
}
if (range1 != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(range1);
range1 = null;
}
if (range2 != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(range2);
range2 = null;
}
if (textBox != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(textBox);
textBox = null;
}
if (workSheet != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);
workSheet = null;
}
if (workBook != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
workBook = null;
}
if (app != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
app = null;
}

GC.Collect();

this.KillExcelProcess();

}//end Dispose
#endregion

}//end class

protected void Button2_Click(object sender, EventArgs e)
{
string sql = "select * from 客户";
DataTable dt = new DataTable();
dt = dbm.GetTable(sql);
ExcelHelper ex = new ExcelHelper();
ex.DataTableToExcel(dt, 1, 1);
ex.OutputFilePath = "d://编程环境//willian//test.xls";
ex.OutputExcelFile();
}