C# 操作Excel代码总结

//引用Microsoft.Office.Interop.Excel.dll文件 //添加usingusing 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ApplicationExcel.Application xlApp = new Excel.Application();//设置是否显示警告窗体excelApp.DisplayAlerts = false;//设置是否显示ExcelexcelApp.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);}