C#如何操作Excel
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具体代码:
//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); }
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