• 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);
    }
    
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  • 原文地址:https://www.cnblogs.com/qqnnhhbb/p/3601844.html
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