C# 操作Excel大全(转载)

  1 /引用Microsoft.Office.Interop.Excel.dll文件
  2 //添加using
  3 using Microsoft.Office.Interop.Excel;
  4 using Excel=Microsoft.Office.Interop.Excel;
  5
  6 //设置程序运行语言
  7 System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture;
  8 System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
  9 //创建Application
 10 Excel.Application xlApp = new Excel.Application();
 11 //设置是否显示警告窗体
 12 excelApp.DisplayAlerts = false;
 13 //设置是否显示Excel
 14 excelApp.Visible = false;
 15 //禁止刷新屏幕
 16 excelApp.ScreenUpdating = false;
 17 //根据路径path打开
 18 Excel.Workbook xlsWorkBook = excelApp.Workbooks.Open(path, System.Type.Missing, System.Type.Missing, System.Type.Missing,
 19 System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing,
 20 System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing);
 21 //获取Worksheet对象
 22 Excel.Worksheet xlsWorkSheet = (Worksheet)xlsWorkBook.Worksheets["sales plan"];
 23
 24 ***获取最后一行、一列的两种方法***
 25 //获取已用的范围数据
 26 int rowsCount = xlsWorkSheet.UsedRange.Rows.Count;
 27 int colsCount = xlsWorkSheet.UsedRange.Columns.Count;
 28 int rowsCount = xlsWorkSheet.get_Range("A65536", "A65536").get_End(Microsoft.Office.Interop.Excel.XlDirection.xlUp).Row;
 29 int colsCount = xlsWorkSheet.get_Range("ZZ1", "ZZ1").get_End(Microsoft.Office.Interop.Excel.XlDirection.xlToLeft).Column;
 30
 31 ***将Excel数据存入二维数组***
 32 //rowsCount：最大行    colsCount：最大列
 33 Microsoft.Office.Interop.Excel.Range c1 = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Cells[1, 1];
 34 Microsoft.Office.Interop.Excel.Range c2 = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Cells[rowsCount, colsCount];
 35 Range rng = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.get_Range(c1, c2);
 36 object[,] exceldata = (object[,])rng.get_Value(Microsoft.Office.Interop.Excel.XlRangeValueDataType.xlRangeValueDefault);
 37
 38 //在第一列的左边插入一列
 39 Excel.Range xlsColumns = (Excel.Range)xlsWorkSheet.Columns[1, System.Type.Missing];
 40 xlsColumns.Insert(XlInsertShiftDirection.xlShiftToRight, Type.Missing);
 41 //xlsSheetTemplateMajor_Meisai.Cells.get_Range(xlsSheetTemplateMajor_Meisai.Cells[1, 1], xlsSheetTemplateMajor_Meisai.Cells[65535, 1]).Insert(Type.Missing, Type.Missing);
 42  Excel.Range rng;
 43             rng = worksheet.get_Range("A:A", "A:A");
 44             rng.Insert(Excel.XlDirection.xlToRight, Excel.XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
 45 Excel.Range rng = (Microsoft.Office.Interop.Excel.Range)xlsWorkSheet.Columns[12, Type.Missing];
 46 rng.Insert(XlInsertShiftDirection.xlShiftToRight, XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
 47
 48
 49 //删除行
 50 Range deleteRng = (Range)xlsWorkSheetSapExcel.Rows[2, System.Type.Missing];
 51 deleteRng.Delete(Excel.XlDeleteShiftDirection.xlShiftUp);
 52
 53 //删除一列数据
 54 ((Microsoft.Office.Interop.Excel.Range)xlWorkSheet.Cells[1, 11]).Select();
 55 ((Microsoft.Office.Interop.Excel.Range)xlWorkSheet.Cells[1, 11]).EntireColumn.Delete(0);
 56 ((Excel.Range)xlsSheetShareMajor_Meisai.Cells[1, 3]).EntireColumn.Delete (0);
 57
 58 //设置背景色为红色
 59 xlsWorkSheet.get_Range("A1", "A1").Interior.ColorIndex = 3;
 60
 61 //设置Format属性    属性值可以通过在vba中录宏得到
 62 Microsoft.Office.Interop.Excel.Range range1 = xlsWorkSheetAdd.get_Range("J1", "J65535");
 63 range1.NumberFormat = "@";//文本格式
 64 range1 = xlsWorkSheetAdd.get_Range("L1", "L65535");
 65 range1.NumberFormat = "0.00";//保留两位小数
 66 Excel.Range rng = xlsSheetShareMajor_Meisai.Columns["I", System.Type.Missing] as Excel.Range;
 67 rng.NumberFormatLocal =@"yyyy/m/d";//设置日期格式
 68
 69
 70 //替换
 71 Range Drng = xlsWorkSheetTemplate.get_Range("D1", "D65535");
 72 Drng.Replace(" ", "", XlLookAt.xlPart, XlSearchOrder.xlByColumns, System.Type.Missing, System.Type.Missing, System.Type.Missing, System.Type.Missing);
 73 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);
 74
 75 //分列处理 设置为文本
 76 Range TextToColumnRng = xlsWorkSheet.get_Range("E1", "E65535");
 77 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);
 78
 79 //设置公式
 80 rng = xlMergeFileWorkSheet.get_Range("D2", "D" + rowcount);//设置列范围
 81 rng.Formula = @"=IF(RC[-3]=""H"",""Survivor"",""Donor"")";//设置公式   @的问题
 82 //rng.NumberFormat = "$0.00";//设置格式
 83 copyRng = xlsSheetTemplateMajor_Meisai.get_Range("N3", "N" + lastRowTemplate);
 84 copyRng.Formula = "=VLOOKUP(RC[-12],AR残!C[-13]:C[-11],2,0)";
 85
 86 //通过行、列的索引获取值
 87 string f = Convert.ToString(xlsSheetShareMajor_Meisai.get_Range(xlsSheetShareMajor_Meisai.Cells[2, 1], xlsSheetShareMajor_Meisai.Cells[2,1]).Value2);
 88
 89 //筛选
 90 //确定筛选范围
 91 D1_rng = D1_TemSheet.Cells.get_Range(D1_TemSheet.Cells[1, 1], D1_TemSheet.Cells[1, 50]);
 92 //执行筛选动作
 93 rng.AutoFilter(5, "S", Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlFilterValues, Type.Missing, true);
 94 rng.AutoFilter(6, "H", Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlOr, "F", true);
 95 D1_rng.AutoFilter(D1_Column + 2, "#N/A", Microsoft.Office.Interop.Excel.XlAutoFilterOperator.xlFilterValues,"#N/A",false);
 96
 97 //复制粘贴
 98 D2_rng.Copy(Type.Missing);
 99 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);
100
101
102 //Find查找
103 rng = mySheet.get_Range("A1", "IV10").Find(arrLabel[j], Type.Missing,
104                         Microsoft.Office.Interop.Excel.XlFindLookIn.xlValues, Microsoft.Office.Interop.Excel.XlLookAt.xlWhole,
105                         Microsoft.Office.Interop.Excel.XlSearchOrder.xlByRows,
106                         Microsoft.Office.Interop.Excel.XlSearchDirection.xlNext, false, Type.Missing, Type.Missing);
107
108 //文字占满单元格
109 range.EntireColumn.AutoFit();
110
111 //另存
112 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);
113
114 ***关闭对象***
115 System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkSheet);
116 System.Runtime.InteropServices.Marshal.ReleaseComObject(xlsWorkBook);
117 excelApp.Quit();
118 Kill(excelApp);//调用方法关闭进程
119 GC.Collect();
120
121 /// <summary>
122 /// 关闭Excel进程
123 /// </summary>
124 public class KeyMyExcelProcess
125 {
126     [DllImport("User32.dll", CharSet = CharSet.Auto)]
127     public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID);
128     public static void Kill(Microsoft.Office.Interop.Excel.Application excel)
129     {
130         try
131         {
132             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
133             int k = 0;
134             GetWindowThreadProcessId(t, out k);   //得到本进程唯一标志k
135             System.Diagnostics.Process p = System.Diagnostics.Process.GetProcessById(k);   //得到对进程k的引用
136             p.Kill();     //关闭进程k
137         }
138         catch (System.Exception ex)
139         {
140             throw ex;
141         }
142     }
143 }
144
145
146 //关闭打开的Excel方法
147  public void CloseExcel(Microsoft.Office.Interop.Excel.Application ExcelApplication, Microsoft.Office.Interop.Excel.Workbook ExcelWorkbook)
148 {
149    ExcelWorkbook.Close(false, Type.Missing, Type.Missing);
150    ExcelWorkbook = null;
151    ExcelApplication.Quit();
152    GC.Collect();
153    KeyMyExcelProcess.Kill(ExcelApplication);
154 }

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转载于:https://www.cnblogs.com/lionmxs/articles/9897669.html

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