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c# Exce操作(2)
2009-01-22 下午 05:59
/// <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[n]; 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[n]; 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[n]; 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[n]; 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[n]; // 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[n]; 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 }//end namespace |
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