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);

}

转载于:https://www.cnblogs.com/gyc19920704/p/5438601.html

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