Asp.Net Excel 操作 类

using System;
using Microsoft.Office.Interop;
using Microsoft.Office.Core;

public class ExcelHelp
{

private Microsoft.Office.Interop.Excel.Application FApp;

private Microsoft.Office.Interop.Excel.Workbooks workbooks;
private Microsoft.Office.Interop.Excel.Workbook workbook;

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

private Microsoft.Office.Interop.Excel.Range aRg;

public Microsoft.Office.Interop.Excel.XlLineStyle xlLineStyle { get; set; }

public ExcelHelp()
{
Visible = true;         // 默认可视化
DisplayAlerts = false;  // 默认不弹出保存提示窗体
}

/// <summary>
/// 可视化编辑
/// </summary>
public bool Visible { get; set; }

/// <summary>
/// 是否弹出保存确认对话框
/// </summary>
public bool DisplayAlerts { get; set; }

/// <summary>
/// 保存文件名称
/// </summary>
public string SaveName { get; set; }

/// <summary>
/// 创建一个Excel对象
/// </summary>
private void Create()
{
FApp = new Microsoft.Office.Interop.Excel.Application();
FApp.Visible = Visible;
workbooks = FApp.Workbooks;
workbook = workbooks.Add(true);
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)FApp.ActiveSheet;
}

/// <summary>
/// 打开 新Excel
/// </summary>
public void OpenExcel()
{
Create();
}

/// <summary>
/// 打开已有Excel
/// </summary>
/// <param name="mfileName">Excel路径</param>
public void OpenExcel(string mfileName)
{
SaveName = mfileName;

FApp = new Microsoft.Office.Interop.Excel.Application();
workbooks = FApp.Workbooks;
workbook = workbooks.Add(SaveName);
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)FApp.ActiveSheet;

//设置禁止弹出保存和覆盖的询问提示框
FApp.DisplayAlerts = DisplayAlerts;
FApp.AlertBeforeOverwriting = false;
FApp.UserControl = true;//如果只想用程序控制该excel而不想让用户操作时候，可以设置为false
FApp.Visible = Visible;

}

/// <summary>
/// 获取单元格内容
/// </summary>
/// <param name="aRow">行</param>
/// <param name="aCol">列</param>
/// <returns>内容</returns>
public string GetCellValue(int aRow, int aCol)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[aRow, aCol];

if (aRg.Text == null)
{
return "";
}
else
{
return (string)aRg.Text;
}
}

#region 写入文本内容
/// <summary>
/// 单元格写入内容
/// </summary>
/// <param name="aRow">行</param>
/// <param name="aCol">列</param>
/// <param name="sValue">内容</param>
public void SetCellValue(int aRow, int aCol, string sValue)
{
worksheet.Cells[aRow, aCol] = sValue;
}
#endregion

#region 颜色写入
/// <summary>
/// 设置单元格颜色
/// </summary>
/// <param name="aRow">行</param>
/// <param name="aCol">列</param>
/// <param name="aColorIndex">颜色索引</param>
public void SetCellColor(int aRow, int aCol, float aColorIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[aRow, aCol];
aRg.Interior.ColorIndex = aColorIndex;
aRg = null;
}

/// <summary>
/// 批量写入内容（内容相同）
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
/// <param name="sValue">文本内容</param>
public void SetCellValue(int startRows, int startColumns, int endRows, int endcolumns, string sValue)
{
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);//(Microsoft.Office.Interop.Excel.Range)aWS.Cells[aRow, aCol];
aRg.Value = sValue;
aRg = null;
}

/// <summary>
/// 单元格边框
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
public void SetBordersStyle(int startRows, int startColumns, int endRows, int endcolumns)
{
//Borders.LineStyle 单元格边框线
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);
//单元格边框线类型(线型,虚线型)
aRg.Borders.LineStyle = xlLineStyle;
aRg.Borders.get_Item(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop).LineStyle = xlLineStyle;
aRg = null;

}
/// <summary>
/// 批量设置单元格背景色
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
/// <param name="aColorIndex">颜色索引</param>
public void SetCellColor(int startRows, int startColumns, int endRows, int endcolumns, float aColorIndex)
{
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);//(Microsoft.Office.Interop.Excel.Range)aWS.Cells[aRow, aCol];
aRg.Interior.ColorIndex = aColorIndex;
aRg = null;
}
/// <summary>
/// 设置单元格背景色
/// </summary>
/// <param name="iRow">行</param>
/// <param name="iCol">列</param>
/// <param name="sColor">颜色</param>
public void SetCellColor(int iRow, int iCol, Microsoft.Office.Interop.Excel.Constants sColor)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[iRow, iCol];
aRg.Interior.Color = sColor;
aRg = null;
}
#endregion

#region 工作簿操作
/// <summary>
///  设置工作簿名称
/// </summary>
/// <param name="SheetName">工作簿名称</param>
public void SetActiveSheet(string SheetName)
{
worksheet.Activate();
}
#endregion

#region 行操作
/// <summary>
/// 在工作表中删除行
/// </summary>
/// <param name="sheet">当前工作表</param>
/// <param name="rowIndex">欲删除的行索引</param>
public void DeleteRows(int rowIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Rows[rowIndex, Type.Missing];
aRg.Delete(Microsoft.Office.Interop.Excel.XlDeleteShiftDirection.xlShiftUp);
aRg = null;
}
/// <summary>
/// 在工作表中插入行，并调整其他行以留出空间
/// </summary>
/// <param name="sheet">当前工作表</param>
/// <param name="rowIndex">欲插入的行索引</param>
public void InsertRows(int rowIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Rows[rowIndex, Type.Missing];
aRg.Insert(Microsoft.Office.Interop.Excel.XlInsertShiftDirection.xlShiftDown, Type.Missing);
aRg = null;
}

#endregion

#region 列操作
/// <summary>
/// 在工作表中删除列
/// </summary>
/// <param name="sheet">当前工作表</param>
/// <param name="rowIndex">欲删除的行索引</param>
public void DeleteColumn(int columnIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[1, columnIndex];
aRg.EntireColumn.Delete(0);
aRg = null;
}

/// <summary>
/// 在工作表中插入列
/// </summary>
/// <param name="columnIndex">列索引</param>
public void InsertColumn(int columnIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Columns[columnIndex, Type.Missing];
aRg.Insert(Microsoft.Office.Interop.Excel.XlInsertShiftDirection.xlShiftDown, Type.Missing);
aRg = null;
}

/// <summary>
/// 列宽度
/// </summary>
/// <param name="columnIndex">列索引</param>
/// <param name="width">宽度</param>
public void SetColumnWidth(int columnIndex, float width)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[1, columnIndex];
aRg.ColumnWidth = width;
aRg = null;
}
#endregion

#region 合并单元格
/// <summary>
/// 合并单元格
/// </summary>
/// <param name="ws">Worksheet对象</param>
/// <param name="Start_iRow">起始行</param>
/// <param name="Start_iCol">起始列</param>
/// <param name="End_iRow">结束行</param>
/// <param name="End_iCol">结束列</param>
public void UniteCells(int startRows, int startColumns, int endRows, int endcolumns)
{
worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]).Merge(Type.Missing);
}

#endregion

#region 文字操作
/// <summary>
/// 文字剧中
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
public void SetValueAlign(int startRows, int startColumns, int endRows, int endcolumns)
{
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);

// 可以提出Microsoft.Office.Interop.Excel.XlHAlign 让对齐方式更灵活
aRg.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
aRg = null;
}

/// <summary>
/// 文字加粗
/// </summary>
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
public void SetValueBold(int startRows, int startColumns, int endRows, int endcolumns)
{
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);

//
aRg.Font.Bold = 2;
aRg = null;
}

/// <summary>
/// 加入超链接
/// </summary>
/// <param name="startRows">起始行</param>
/// <param name="startColumns">起始列</param>
/// <param name="endRows">结束行</param>
/// <param name="endcolumns">结束列</param>
/// <param name="link">链接地址</param>
public void SetLink(int startRows, int startColumns, int endRows, int endcolumns, string link)
{
aRg = worksheet.get_Range(worksheet.Cells[startRows, startColumns], worksheet.Cells[endRows, endcolumns]);

//参数说明：单元格，链接地址，missing，鼠标在超链接上显示内容，单元格内的文本
aRg.Hyperlinks.Add(aRg.Cells, link, Type.Missing, link, link);
aRg = null;
}

/// <summary>
/// 设置单个单元格文字内容颜色
/// </summary>
/// <param name="iRow">行</param>
/// <param name="iCol">列</param>
/// <param name="sColor">颜色</param>
public void SetCellFontColor(int iRow, int iCol, Microsoft.Office.Interop.Excel.Constants sColor)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[iRow, iCol];
aRg.Font.Color = sColor;
aRg = null;
}
/// <summary>
/// 设置单个单元格文字内容颜色
/// </summary>
/// <param name="iRow">行</param>
/// <param name="iCol">列</param>
/// <param name="iColorIndex">索引</param>
public void SetCellFontColor(int iRow, int iCol, int iColorIndex)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[iRow, iCol];
aRg.Font.ColorIndex = iColorIndex;
aRg = null;
}

/// <summary>
/// 设置单个单元格内容文字大小
/// </summary>
/// <param name="iRow">行</param>
/// <param name="iCol">列</param>
/// <param name="iSize">大小</param>
public void SetCellFontSize(int iRow, int iCol, int iSize)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[iRow, iCol];
aRg.Font.Size = iSize;
aRg = null;
}

/// <summary>
/// 设置单个单元格内容对齐方式
/// </summary>
/// <param name="iRow">行</param>
/// <param name="iCol">列</param>
/// <param name="HorizontalAlignment">对齐方式</param>
public void SetCellFontAlign(int iRow, int iCol, Microsoft.Office.Interop.Excel.Constants HorizontalAlignment)
{
aRg = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[iRow, iCol];
aRg.HorizontalAlignment = HorizontalAlignment;
aRg = null;
}

/// <summary>
/// 设置多个单元格的属性   字体，   大小，颜色   ，对齐方式
/// </summary>
/// <param name="Start_iRow">起始行</param>
/// <param name="Start_iCol">起始列</param>
/// <param name="End_iRow">结束行</param>
/// <param name="End_iCol">结束列</param>
/// <param name="iSize">大小</param>
/// <param name="fontName">字体</param>
/// <param name="sColor">颜色</param>
/// <param name="HorizontalAlignment">对齐方式</param>
public void SetCellProperty(int Start_iRow, int Start_iCol, int End_iRow, int End_iCol, int iSize, string fontName, Microsoft.Office.Interop.Excel.Constants sColor, Microsoft.Office.Interop.Excel.Constants HorizontalAlignment)
{
worksheet.get_Range(worksheet.Cells[Start_iRow, Start_iCol], worksheet.Cells[End_iRow, End_iCol]).Font.Name = fontName;
worksheet.get_Range(worksheet.Cells[Start_iRow, Start_iCol], worksheet.Cells[End_iRow, End_iCol]).Font.Size = iSize;
worksheet.get_Range(worksheet.Cells[Start_iRow, Start_iCol], worksheet.Cells[End_iRow, End_iCol]).Font.Color = sColor;
worksheet.get_Range(worksheet.Cells[Start_iRow, Start_iCol], worksheet.Cells[End_iRow, End_iCol]).HorizontalAlignment = HorizontalAlignment;
}
#endregion

#region 内存数据写入Excel
/// <summary>
/// 将内存中数据表格插入到Excel指定工作表的指定位置 为在使用模板时控制格式时使用一
/// </summary>
/// <param name="dt">DataTable集合</param>
/// <param name="ws">工作簿名称</param>
/// <param name="iRow">起始行</param>
/// <param name="iCol">起始列</param>
public void InsertTable(System.Data.DataTable dt, int iRow, int iCol)
{
for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{
worksheet.Cells[iRow + i, j + iCol] = dt.Rows[i][j].ToString();
}
}
}
#endregion

#region 插入图片
/// <summary>
/// 插入图片
/// </summary>
/// <param name="Filename">图片名称地址</param>
/// <param name="left">距离左边的距离</param>
/// <param name="top">距离顶部的距离</param>
/// <param name="Height">图片的高</param>
/// <param name="Width">图片的宽</param>
public void InsertPictures(string Filename,int left, int top, int Height, int Width)
{
worksheet.Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, left, top, Width, Height);
}
#endregion

#region 关闭操作
/// <summary>
/// 保存Excel文档
/// </summary>
/// <param name="FileName">文件名称</param>
/// <returns>true:保存成功, false:失败</returns>
public bool Save(object FileName)
{
try
{
FApp.DisplayAlerts = DisplayAlerts;

workbook.SaveAs(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
return true;
}
catch (Exception ex)
{
return false;
}
}
/// <summary>
/// 关闭excel
/// </summary>
public void Close()
{
workbook.Close(false, Type.Missing, Type.Missing);
workbooks.Close();
FApp.Quit();
workbook = null;
workbooks = null;
FApp = null;
GC.Collect();
}
#endregion
}