C# 操作Excel代码总结

  //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();

  ///

  /// 关闭Excel进程

  ///

  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);

  }