.NET的ExcelOperate

 using System;
 using System.Web;
 using Excel = Microsoft.Office.Interop.Excel;

 namespace Comm
 {
     /// <summary>
     /// ExcelOperate 的摘要说明。Excel操作函数
     /// </summary>
     public class ExcelOperate
     {
         private object mValue = System.Reflection.Missing.Value;

         public ExcelOperate()
         {
             //
             // TODO: 在此处添加构造函数逻辑
             //
         }

         /// <summary>
         /// 合并单元格
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void Merge(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Merge(mValue);
         }
         /// <summary>
         /// 设置连续区域的字体大小
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="strStartCell">开始单元格</param>
         /// <param name="strEndCell">结束单元格</param>
         /// <param name="intFontSize">字体大小</param>
         public void SetFontSize(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, int intFontSize)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Font.Size = intFontSize.ToString();
         }

         /// <summary>
         /// 横向打印
         /// </summary>
         /// <param name="CurSheet"></param>
         public void xlLandscape(Excel._Worksheet CurSheet)
         {
             CurSheet.PageSetup.Orientation = Excel.XlPageOrientation.xlLandscape;

         }
         /// <summary>
         /// 纵向打印
         /// </summary>
         /// <param name="CurSheet"></param>
         public void xlPortrait(Excel._Worksheet CurSheet)
         {
             CurSheet.PageSetup.Orientation = Excel.XlPageOrientation.xlPortrait;
         }

         /// <summary>
         /// 在指定单元格插入指定的值
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="Cell">单元格 如Cells[1,1]</param>
         /// <param name="objValue">文本、数字等值</param>
         public void WriteCell(Excel._Worksheet CurSheet, object objCell, object objValue)
         {
             CurSheet.get_Range(objCell, mValue).Value2 = objValue;

         }

         /// <summary>
         /// 在指定Range中插入指定的值
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="StartCell">开始单元格</param>
         /// <param name="EndCell">结束单元格</param>
         /// <param name="objValue">文本、数字等值</param>
         public void WriteRange(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, object objValue)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Value2 = objValue;
         }

         /// <summary>
         /// 合并单元格，并在合并后的单元格中插入指定的值
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="objValue">文本、数字等值</param>
         public void WriteAfterMerge(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, object objValue)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Merge(mValue);
             CurSheet.get_Range(objStartCell, mValue).Value2 = objValue;

         }

         /// <summary>
         /// 为单元格设置公式
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objCell">单元格</param>
         /// <param name="strFormula">公式</param>
         public void SetFormula(Excel._Worksheet CurSheet, object objCell, string strFormula)
         {
             CurSheet.get_Range(objCell, mValue).Formula = strFormula;
         }

         /// <summary>
         /// 单元格自动换行
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void AutoWrapText(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).WrapText = true;
         }

         /// <summary>
         /// 设置整个连续区域的字体颜色
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="clrColor">颜色</param>
         public void SetColor(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, System.Drawing.Color clrColor)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Font.Color = System.Drawing.ColorTranslator.ToOle(clrColor);
         }

         /// <summary>
         /// 设置整个连续区域的单元格背景色
         /// </summary>
         /// <param name="CurSheet"></param>
         /// <param name="objStartCell"></param>
         /// <param name="objEndCell"></param>
         /// <param name="clrColor"></param>
         public void SetBgColor(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, System.Drawing.Color clrColor)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Interior.Color = System.Drawing.ColorTranslator.ToOle(clrColor);
         }

         /// <summary>
         /// 设置连续区域的字体名称
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="fontname">字体名称 隶书、仿宋_GB2312等</param>
         public void SetFontName(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, string fontname)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Font.Name = fontname;
         }

         /// <summary>
         /// 设置连续区域的字体为黑体
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void SetBold(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Font.Bold = true;
         }

         /// <summary>
         /// 设置连续区域的边框：上下左右都为黑色连续边框
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void SetBorderAll(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeTop].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeTop].LineStyle = Excel.XlLineStyle.xlContinuous;

             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeBottom].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeBottom].LineStyle = Excel.XlLineStyle.xlContinuous;

             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeLeft].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeLeft].LineStyle = Excel.XlLineStyle.xlContinuous;

             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeRight].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlEdgeRight].LineStyle = Excel.XlLineStyle.xlContinuous;

             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlInsideHorizontal].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Excel.XlLineStyle.xlContinuous;

             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlInsideVertical].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
             CurSheet.get_Range(objStartCell, objEndCell).Borders[Excel.XlBordersIndex.xlInsideVertical].LineStyle = Excel.XlLineStyle.xlContinuous;

         }

         /// <summary>
         /// 设置连续区域水平居中
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void SetHAlignCenter(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
         }

         /// <summary>
         /// 设置连续区域水平居左
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void SetHAlignLeft(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignLeft;
         }

         /// <summary>
         /// 设置连续区域水平居右
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         public void SetHAlignRight(Excel._Worksheet CurSheet, object objStartCell, object objEndCell)
         {
             CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignRight;
         }

         /// <summary>
         /// 设置连续区域的显示格式
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="strNF">如"#,##0.00"的显示格式</param>
         public void SetNumberFormat(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, string strNF)
         {
             CurSheet.get_Range(objStartCell, objEndCell).NumberFormat = strNF;
         }

         /// <summary>
         /// 设置列宽
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="strColID">列标识，如A代表第一列</param>
         /// <param name="dblWidth">宽度</param>
         public void SetColumnWidth(Excel._Worksheet CurSheet, string strColID, double dblWidth)
         {
             ((Excel.Range)CurSheet.Columns.GetType().InvokeMember("Item", System.Reflection.BindingFlags.GetProperty, null, CurSheet.Columns, new object[] { (strColID + ":" + strColID).ToString() })).ColumnWidth = dblWidth;
         }

         /// <summary>
         /// 设置列宽
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="dblWidth">宽度</param>
         public void SetColumnWidth(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, double dblWidth)
         {
             CurSheet.get_Range(objStartCell, objEndCell).ColumnWidth = dblWidth;
         }

         /// <summary>
         /// 设置行高
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objStartCell">开始单元格</param>
         /// <param name="objEndCell">结束单元格</param>
         /// <param name="dblHeight">行高</param>
         public void SetRowHeight(Excel._Worksheet CurSheet, object objStartCell, object objEndCell, double dblHeight)
         {
             CurSheet.get_Range(objStartCell, objEndCell).RowHeight = dblHeight;
         }

         /// <summary>
         /// 为单元格添加超级链接
         /// </summary>
         /// <param name="CurSheet">Worksheet</param>
         /// <param name="objCell">单元格</param>
         /// <param name="strAddress">链接地址</param>
         /// <param name="strTip">屏幕提示</param>
         /// <param name="strText">链接文本</param>
         public void AddHyperLink(Excel._Worksheet CurSheet, object objCell, string strAddress, string strTip, string strText)
         {
             CurSheet.Hyperlinks.Add(CurSheet.get_Range(objCell, objCell), strAddress, mValue, strTip, strText);
         }

         /// <summary>
         /// 另存为xls文件
         /// </summary>
         /// <param name="CurBook">Workbook</param>
         /// <param name="strFilePath">文件路径</param>
         public void Save(Excel._Workbook CurBook, string strFilePath)
         {
             CurBook.SaveCopyAs(strFilePath);
         }

         /// <summary>
         /// 保存文件
         /// </summary>
         /// <param name="CurBook">Workbook</param>
         /// <param name="strFilePath">文件路径</param>
         public void SaveAs(Excel._Workbook CurBook, string strFilePath)
         {
             CurBook.SaveAs(strFilePath, mValue, mValue, mValue, mValue, mValue, Excel.XlSaveAsAccessMode.xlShared, mValue, mValue, mValue, mValue, mValue);
         }

         /// <summary>
         /// 另存为html文件
         /// </summary>
         /// <param name="CurBook">Workbook</param>
         /// <param name="strFilePath">文件路径</param>
         public void SaveHtml(Excel._Workbook CurBook, string strFilePath)
         {
             CurBook.SaveAs(strFilePath, Excel.XlFileFormat.xlHtml, mValue, mValue, mValue, mValue, Excel.XlSaveAsAccessMode.xlNoChange, mValue, mValue, mValue, mValue, mValue);
         }

         /// <summary>
         /// 释放内存
         /// </summary>
         public void Dispose(Excel._Worksheet CurSheet, Excel._Workbook CurBook, Excel._Application CurExcel)
         {
             try
             {
                 System.Runtime.InteropServices.Marshal.ReleaseComObject(CurSheet);
                 CurSheet = null;
                 CurBook.Close(false, mValue, mValue);
                 System.Runtime.InteropServices.Marshal.ReleaseComObject(CurBook);
                 CurBook = null;

                 CurExcel.Quit();
                 System.Runtime.InteropServices.Marshal.ReleaseComObject(CurExcel);
                 CurExcel = null;

                 GC.Collect();
                 GC.WaitForPendingFinalizers();
             }
             catch (System.Exception ex)
             {
                 HttpContext.Current.Response.Write("在释放Excel内存空间时发生了一个错误:" + ex);
             }
             finally
             {
                 foreach (System.Diagnostics.Process pro in System.Diagnostics.Process.GetProcessesByName("Excel"))
                     //if (pro.StartTime < DateTime.Now)
                     pro.Kill();
             }
             System.GC.SuppressFinalize(this);

         }

     }
 }