C# 操作Excel大全

//引用Microsoft.Office.Interop.Excel.dll文件  //添加using using Microsoft.Office.Interop.Excel; using Excel=Microsoft.Office.Interop.Excel;   //设置程序运行语言 System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture; System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo( "en-US" ); //创建Application Excel.Application xlApp = new Excel.Application(); //设置是否显示警告窗体 excelApp.DisplayAlerts = false ; //设置是否显示Excel excelApp.Visible = false ; //禁止刷新屏幕 excelApp.ScreenUpdating = false ; //根据路径path打开 Excel.Workbook xlsWorkBook = excelApp.Workbooks.Open(path, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing); //获取Worksheet对象 Excel.Worksheet xlsWorkSheet = (Worksheet)xlsWorkBook.Worksheets[ "sales plan" ];   ***获取最后一行、一列的两种方法*** //获取已用的范围数据 int rowsCount = xlsWorkSheet.UsedRange.Rows.Count; int colsCount = xlsWorkSheet.UsedRange.Columns.Count; int rowsCount = xlsWorkSheet.get_Range( "A65536" , "A65536" ).get_End(Microsoft.Office.Interop.Excel.XlDirection.xlUp).Row; int colsCount = xlsWorkSheet.get_Range( "ZZ1" , "ZZ1" ).get_End(Microsoft.Office.Interop.Excel.XlDirection.xlToLeft).Column;   ***将Excel数据存入二维数组*** //rowsCount：最大行    colsCount：最大列 Microsoft.Office.Interop.Excel.Range c1 = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Cells[1, 1]; Microsoft.Office.Interop.Excel.Range c2 = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Cells[rowsCount, colsCount]; Range rng = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.get_Range(c1, c2); object [,] exceldata = ( object [,])rng.get_Value(Microsoft.Office.Interop.Excel.XlRangeValueDataType.xlRangeValueDefault);   //在第一列的左边插入一列 Excel.Range xlsColumns = (Excel.Range)xlsWorkSheet.Columns[1, System.Type.Missing]; xlsColumns.Insert(XlInsertShiftDirection.xlShiftToRight, Type.Missing); //xlsSheetTemplateMajor_Meisai.Cells.get_Range(xlsSheetTemplateMajor_Meisai.Cells[1, 1], xlsSheetTemplateMajor_Meisai.Cells[65535, 1]).Insert(Type.Missing, Type.Missing);   Excel.Range rng;              rng = worksheet.get_Range( "A:A" , "A:A" );              rng.Insert(Excel.XlDirection.xlToRight, Excel.XlInsertFormatOrigin.xlFormatFromLeftOrAbove); Excel.Range rng = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Columns[12, Type.Missing]; rng.Insert(XlInsertShiftDirection.xlShiftToRight, XlInsertFormatOrigin.xlFormatFromLeftOrAbove);     //删除行 Range deleteRng = (Range)xlsWorkSheetSapExcel.Rows[2, System.Type.Missing]; deleteRng.Delete(Excel.XlDeleteShiftDirection.xlShiftUp);   //删除一列数据 ((Microsoft.Office.Interop.Excel.Range)xlWorkSheet.Cells[1, 11]).Select(); ((Microsoft.Office.Interop.Excel.Range)xlWorkSheet.Cells[1, 11]).EntireColumn.Delete(0); ((Excel.Range)xlsSheetShareMajor_Meisai.Cells[1, 3]).EntireColumn.Delete (0);               //设置背景色为红色 xlsWorkSheet.get_Range( "A1" , "A1" ).Interior.ColorIndex = 3;   //设置Format属性    属性值可以通过在vba中录宏得到 Microsoft.Office.Interop.Excel.Range range1 = xlsWorkSheetAdd.get_Range( "J1" , "J65535" ); range1.NumberFormat = "@" ; //文本格式 range1 = xlsWorkSheetAdd.get_Range( "L1" , "L65535" ); range1.NumberFormat = "0.00" ; //保留两位小数 Excel.Range rng = xlsSheetShareMajor_Meisai.Columns[ "I" , System.Type.Missing] as Excel.Range; rng.NumberFormatLocal = @"yyyy/m/d" ; //设置日期格式     //替换 Range Drng = xlsWorkSheetTemplate.get_Range( "D1" , "D65535" ); Drng.Replace( " " , "" , XlLookAt.xlPart, XlSearchOrder.xlByColumns, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing); Drng.TextToColumns(Drng, Excel.XlTextParsingType.xlDelimited, Excel.XlTextQualifier.xlTextQualifierSingleQuote, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing);   //分列处理 设置为文本 Range TextToColumnRng = xlsWorkSheet.get_Range( "E1" , "E65535" ); xlsWorkSheet.get_Range( "E1" , "E65535" ).TextToColumns(TextToColumnRng, Excel.XlTextParsingType.xlDelimited, Excel.XlTextQualifier.xlTextQualifierSingleQuote, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing);   //设置公式 rng = xlMergeFileWorkSheet.get_Range( "D2" , "D" + rowcount); //设置列范围 rng.Formula = @"=IF(RC[-3]=""H"",""Survivor"",""Donor"")" ; //设置公式   @的问题 //rng.NumberFormat = "$0.00";//设置格式 copyRng = xlsSheetTemplateMajor_Meisai.get_Range( "N3" , "N" + lastRowTemplate); copyRng.Formula = "=VLOOKUP(RC[-12],AR残!C[-13]:C[-11],2,0)" ;   //通过行、列的索引获取值 string f = Convert.ToString(xlsSheetShareMajor_Meisai.get_Range(xlsSheetShareMajor_Meisai.Cells[2, 1], xlsSheetShareMajor_Meisai.Cells[2,1]).Value2);   //筛选 //确定筛选范围 D1_rng = D1_TemSheet.Cells.get_Range(D1_TemSheet.Cells[1, 1], D1_TemSheet.Cells[1, 50]); //执行筛选动作 rng.AutoFilter(5, "S" , Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlFilterValues, Type.Missing, true ); rng.AutoFilter(6, "H" , Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlOr, "F" , true ); D1_rng.AutoFilter(D1_Column + 2, "#N/A" , Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlFilterValues, "#N/A" , false );   //复制粘贴 D2_rng.Copy(Type.Missing); D2_TemSheet.Cells.get_Range(D2_TemSheet.Cells[2, (D2_Column + 1)], D2_TemSheet.Cells[2, (D2_Column + 1)]).PasteSpecial(Excel.XlPasteType.xlPasteValues, Excel.XlPasteSpecialOperation.xlPasteSpecialOperationNone, false , false );     //Find查找 rng = mySheet.get_Range( "A1" , "IV10" ).Find(arrLabel[j], Type.Missing,                          Microsoft.Office.Interop.Excel.XlFindLookIn.xlValues, Microsoft.Office.Interop.Excel.XlLookAt.xlWhole,                          Microsoft.Office.Interop.Excel.XlSearchOrder.xlByRows,                          Microsoft.Office.Interop.Excel.XlSearchDirection.xlNext, false , Type.Missing, Type.Missing);   //文字占满单元格 range.EntireColumn.AutoFit();   //另存 xlsWorkBook.SaveAs(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);   ***关闭对象*** System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkSheet); System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkBook); excelApp.Quit(); Kill(excelApp); //调用方法关闭进程 GC.Collect();   /// <summary> /// 关闭Excel进程 /// </summary> public class KeyMyExcelProcess {      [DllImport( "User32.dll" , CharSet = CharSet.Auto)]      public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID);      public static void Kill(Microsoft.Office.Interop.Excel.Application excel)      {          try          {              IntPtr t = new IntPtr(excel.Hwnd);   //得到这个句柄，具体作用是得到这块内存入口              int k = 0;              GetWindowThreadProcessId(t, out k);   //得到本进程唯一标志k              System.Diagnostics.Process p = System.Diagnostics.Process.GetProcessById(k);   //得到对进程k的引用              p.Kill();     //关闭进程k          }          catch (System.Exception ex)          {              throw ex;          }      } }             //关闭打开的Excel方法   public void CloseExcel(Microsoft.Office.Interop.Excel.Application ExcelApplication, Microsoft.Office.Interop.Excel.Workbook ExcelWorkbook) {     ExcelWorkbook.Close( false , Type.Missing, Type.Missing);     ExcelWorkbook = null ;     ExcelApplication.Quit();     GC.Collect();     KeyMyExcelProcess.Kill(ExcelApplication); }