C# 操做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;

//設置程序運行語言
System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
//建立Application
Excel.Application xlApp = new Excel.Application();
//設置是否顯示警告窗體
excelApp.DisplayAlerts = false;
//設置是否顯示Excel
excelApp.Visible = false;
//禁止刷新屏幕
excelApp.ScreenUpdating = false;
//根據路徑path打開
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);
//獲取Worksheet對象
Excel.Worksheet xlsWorkSheet = (Worksheet)xlsWorkBook.Worksheets["sales plan"];

***獲取最後一行、一列的兩種方法***
//獲取已用的範圍數據
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;

***將Excel數據存入二維數組***
//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);

//在第一列的左邊插入一列
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);


//刪除行
Range deleteRng = (Range)xlsWorkSheetSapExcel.Rows[2, System.Type.Missing];
deleteRng.Delete(Excel.XlDeleteShiftDirection.xlShiftUp);

//刪除一列數據
((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);
            
//設置背景色爲紅色
xlsWorkSheet.get_Range("A1", "A1").Interior.ColorIndex = 3;

//設置Format屬性    屬性值能夠經過在vba中錄宏獲得
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";//保留兩位小數
Excel.Range rng = xlsSheetShareMajor_Meisai.Columns["I", System.Type.Missing] as Excel.Range;
rng.NumberFormatLocal =@"yyyy/m/d";//設置日期格式


//替換
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);

//分列處理 設置爲文本
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);

//設置公式
rng = xlMergeFileWorkSheet.get_Range("D2", "D" + rowcount);//設置列範圍
rng.Formula = @"=IF(RC[-3]=""H"",""Survivor"",""Donor"")";//設置公式   @的問題
//rng.NumberFormat = "$0.00";//設置格式
copyRng = xlsSheetTemplateMajor_Meisai.get_Range("N3", "N" + lastRowTemplate);
copyRng.Formula = "=VLOOKUP(RC[-12],AR殘!C[-13]:C[-11],2,0)";

//經過行、列的索引獲取值
string f = Convert.ToString(xlsSheetShareMajor_Meisai.get_Range(xlsSheetShareMajor_Meisai.Cells[2, 1], xlsSheetShareMajor_Meisai.Cells[2,1]).Value2);

//篩選
//肯定篩選範圍
D1_rng = D1_TemSheet.Cells.get_Range(D1_TemSheet.Cells[1, 1], D1_TemSheet.Cells[1, 50]);
//執行篩選動做
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);

//複製粘貼
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);

//文字佔滿單元格
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);

***關閉對象***
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkSheet);
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkBook);
excelApp.Quit();
Kill(excelApp);//調用方法關閉進程
GC.Collect();

/// <summary>
/// 關閉Excel進程
/// </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);   //獲得這個句柄，具體做用是獲得這塊內存入口 
	        int k = 0;
	        GetWindowThreadProcessId(t, out k);   //獲得本進程惟一標誌k
	        System.Diagnostics.Process p = System.Diagnostics.Process.GetProcessById(k);   //獲得對進程k的引用
	        p.Kill();     //關閉進程k
	    }
	    catch (System.Exception ex)
	    {
	        throw ex;
	    }
	}
}
	
	
//關閉打開的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);
}