Excel 操作工具 For .Net Framework 4.0

using Excel = Microsoft.Office.Interop.Excel;

/// <summary>
/// Excel 操作工具 For .Net Framework 4.0
/// </summary>
public abstract class AbstractExcelUtil
{
#region --- 内部字段 Begin ---
/// <summary>
///  Excel 程序载体
/// </summary>
Excel.Application excelApp = null;
/// <summary>
/// Excel 工作本
/// </summary>
Excel.Workbook excelWorkbook = null;
/// <summary>
/// Excel 单元表
/// </summary>
Excel.Worksheet excelWorksheel = null;

#endregion --- 内部字段 End ---

#region --- Ctor Begin ---
/// <summary>
/// 构造方法
/// </summary>
public AbstractExcelUtil()
{

}

#endregion --- Ctor End ---

#region --- 基本方法 Begin ---
/// <summary>
/// 创建 Excel 工作本
/// </summary>
protected void CreateWorkbook()
{
excelApp = new Excel.Application();
excelWorkbook = excelApp.Application.Workbooks.Add();
}

/// <summary>
/// 打开现有的 Excel 工作本
/// </summary>
/// <param name="filePath">工作本路径</param>
protected void OpenWorkbook(string filePath)
{
excelApp = new Excel.Application();
excelWorkbook = excelApp.Application.Workbooks.Open(filePath);
}

/// <summary>
/// 添加一个Worksheet
/// </summary>
/// <param name="sheelName">Worksheel 名称</param>
/// <returns>成功返回True表示添加Worksheel成功，失败返回False表示添加Worksheel失败输入参数sheelName不正确、没有创建 Excel 工作本 </returns>
protected bool AddWorksheet(string sheelName)
{
if (string.IsNullOrWhiteSpace(sheelName) == true)
{
return false;
}
if (excelWorkbook == null)
{
return false;
}
excelWorksheel = (Excel.Worksheet)excelWorkbook.Worksheets.Add();
excelWorksheel.Name = sheelName;
return true;
}

/// <summary>
/// 设定当前工作表
/// </summary>
/// <param name="sheelIndex">工作表索引</param>
protected void SetWorksheet(int sheelIndex)
{
excelWorksheel = (Excel.Worksheet)excelWorkbook.Worksheets[sheelIndex];
}

/// <summary>
/// 设定当前工作表
/// </summary>
/// <param name="sheelName">工作表名称</param>
protected void SetWorksheet(string sheelName)
{
foreach (Excel.Worksheet item in excelWorkbook.Worksheets)
{
if (item.Name.Equals(sheelName) == true)
{
excelWorksheel = item;
break;
}
}
}

/// <summary>
/// 給单元格赋值
/// </summary>
/// <param name="rowIndex">行</param>
/// <param name="columnIndex">列</param>
/// <param name="value">值</param>
protected void SetCellValue(int rowIndex, int columnIndex, object value)
{
excelWorksheel.Cells[rowIndex, columnIndex] = value;
}

/// <summary>
/// 获取单元格的值
/// </summary>
/// <param name="rowIndex">行</param>
/// <param name="columnIndex">列</param>
/// <returns>单元格的值</returns>
protected dynamic GetCellValue(int rowIndex, int columnIndex)
{
return ((Excel.Range)excelWorksheel.Cells[rowIndex, columnIndex]).Value;
}

/// <summary>
/// 获取单元格的数值类型的值【int、double、DateTime、Currency等类型】
/// </summary>
/// <param name="rowIndex">行</param>
/// <param name="columnIndex">列</param>
/// <returns>单元格的值</returns>
protected dynamic GetCellValue2(int rowIndex, int columnIndex)
{

return ((Excel.Range)excelWorksheel.Cells[rowIndex, columnIndex]).Value2;
}

/// <summary>
/// 获取单元格
/// </summary>
/// <param name="rowIndex">行</param>
/// <param name="columnIndex">列</param>
/// <returns>返回当前单元格</returns>
protected Excel.Range GetCell(int rowIndex, int columnIndex)
{
return (Excel.Range)excelWorksheel.Cells[rowIndex, columnIndex];
}

/// <summary>
/// 合拼单元格
/// </summary>
/// <param name="rowIndex1">起始单格的行</param>
/// <param name="columnIndex1">起始单格的列</param>
/// <param name="rowIndex2">结束单格的行</param>
/// <param name="columnIndex2">结束单格的列</param>
/// <returns>返回合拼后的单元格</returns>
protected Excel.Range MergerCells(int rowIndex1, int columnIndex1, int rowIndex2, int columnIndex2)
{
Excel.Range range = excelWorksheel.Range[excelWorksheel.Cells[rowIndex1, columnIndex1], excelWorksheel.Cells[rowIndex2, columnIndex2]];
range.MergeCells = true;
return range;
}

/// <summary>
/// 合拼单元格
/// </summary>
/// <param name="startCell">起始单格</param>
/// <param name="endCell">结束单格</param>
/// <returns>返回合拼后的单元格</returns>
protected Excel.Range MergerCells(Excel.Range startCell, Excel.Range endCell)
{
Excel.Range range = excelWorksheel.Range[startCell, endCell];
range.MergeCells = true;
return range;
}

/// <summary>
/// 保存文件并关闭对象
/// </summary>
/// <param name="filePath">保存文件路径</param>
/// <returns>成功返回True表示保存成功，失败返回False表示输入参数filePath不正确</returns>
protected bool SaveAndCloseWorkbook(string filePath)
{
if (string.IsNullOrWhiteSpace(filePath) == true)
{
return false;
}
excelWorkbook.SaveAs(filePath);
excelWorkbook.Close();
excelApp.Quit();
return true;
}

/// <summary>
/// 释放所有 Excel 进程
/// </summary>
/// <returns>成功返回True表示已经释放所有 Excel 进程，失败返回False表示释放所有 Excel 进程发生错误</returns>
protected bool KillAllExcel()
{
try
{
if (excelApp == null)
{
return true;
}
excelApp.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(excelApp);
foreach (System.Diagnostics.Process process in System.Diagnostics.Process.GetProcessesByName("EXCEL"))
{
if (process.CloseMainWindow() == false)
{
process.Kill();
}
}
excelApp = null;
return true;
}
catch
{
return false;
}
}

#endregion --- 基本方法 End ---
}