C# datagridview / datatable 导出带表头的excel的数据
2024-04-21 16:28:57
datagridview / datatable 导出带多表头的文件
1. 写一个导出按钮，点击导出按钮导出数据
private void button4_Click(object sender, EventArgs e){//如果需要导出的dataGridView4中有数据if (dataGridView4.Rows.Count > 0){string order_id = textOrderDay.Text.ToString(); string string1 = textArtDay.Text.Trim();string string2 = GetShoeTyesName(art, order_id);string string3 = GetProcessingUnit(order_id);string string4 = richTextDay.Text.Trim();string string5 ="时间";string type = comboBox3.Text.ToString();if (type.Equals("送料")){ExtelMyself("送料日配套报表", dataGridView4, string1 , string2 , string3 ,string4 ,string5 );}else if (type.Equals("回料")){ExtelMyself("回料日配套报表", dataGridView4, string1 , string2 , string3 ,string4 ,string5 );}else{MessageBox.Show("不能明确配套报表类型");}} }
2. 编写导出数据的函数
public void ExtelMyself(string fileName, DataGridView myDGV, string art,string shoeTypeName,string processing_unit,string po,string date){try{//生成的文件存放路径 存在电脑的文档里边string temp_path = Environment.GetFolderPath(Environment.SpecialFolder.Personal);ExcelOperate excelOperate = new ExcelOperate();//建立一个Excel.Application的新进程 Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();if (app == null){return;}app.Visible = false;app.UserControl = true;Microsoft.Office.Interop.Excel.Workbooks workbooks = app.Workbooks;Microsoft.Office.Interop.Excel._Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);//这里的Add方法里的参数就相当于继承了一个空模板(暂这样理解吧) Microsoft.Office.Interop.Excel.Sheets sheets = workbook.Worksheets;Microsoft.Office.Interop.Excel._Worksheet worksheet = (Microsoft.Office.Interop.Excel._Worksheet)sheets.get_Item(1);if (worksheet == null){return;}worksheet.Rows.NumberFormatLocal = "@"; //设置所有单元格为文本格式 //第一行的标题 worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[1, myDGV.Columns.Count]].Merge(Missing.Value); //横向合并 //文件名和标题名一样，这是输入标题名worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[1, 1]].Value2 = fileName;//设置格式 excelOperate.SetHAlignCenter(worksheet, worksheet.Cells[1, 1], worksheet.Cells[1, 1]);//居中 excelOperate.SetFontSize(worksheet, worksheet.Cells[1, 1], worksheet.Cells[1, 1], 18);//字体大小 worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[1, myDGV.Columns.Count]].Borders.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Black);//黑色连续边框 Dictionary<string, string> temp = new Dictionary<string, string>();temp.Add("鞋型名称: ", shoeTypeName);temp.Add("Art: ", art);temp.Add("制令： ", po);temp.Add("厂商： ", processing_unit);temp.Add("日期： ",date);for(int i = 2; i < 7; i++){worksheet.Range[worksheet.Cells[i, 1], worksheet.Cells[i, myDGV.Columns.Count]].Merge(Missing.Value); //横向合并 //文件名和标题名一样，这是输入标题名string s123 = temp.ElementAt(i - 2).Key + temp.ElementAt(i - 2).Value;string s456 = temp.ElementAt(i - 2).ToString();worksheet.Range[worksheet.Cells[i, 1], worksheet.Cells[i, 1]].Value2 =s123 ;//设置格式 excelOperate.SetHAlignCenter(worksheet, worksheet.Cells[i, 1], worksheet.Cells[i, 1]);//居中 excelOperate.SetFontSize(worksheet, worksheet.Cells[i, 1], worksheet.Cells[i, 1], 12);//字体大小 worksheet.Range[worksheet.Cells[i, 1], worksheet.Cells[i, myDGV.Columns.Count]].Borders.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Black);//黑色连续边框 }//标题栏for (int i = 0; i < myDGV.Columns.Count; i++){worksheet.Cells[7, i + 1] = myDGV.Columns[i].HeaderText.ToString();excelOperate.SetFontSize(worksheet, worksheet.Cells[3, i + 1], worksheet.Cells[7, i + 1], 9);//字体大小 excelOperate.SetBold(worksheet, worksheet.Cells[3, i + 1], worksheet.Cells[7, i + 1]); //黑体 }worksheet.Range[worksheet.Cells[7, 1], worksheet.Cells[7, myDGV.Columns.Count]].Borders.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Black);for (int i = 0; i < myDGV.Rows.Count; i++){for (int j = 0; j < myDGV.Columns.Count; j++){// myDGV.Rows[r].Cells[i].Valuestring data = myDGV.Rows[i].Cells[j].Value.ToString();worksheet.Cells[8 + i, j + 1] = data;excelOperate.SetFontSize(worksheet, worksheet.Cells[8 + i, j + 1], worksheet.Cells[8+ i, j + 1], 9);//字体大小 //if (j == 6) //{ // worksheet.Cells[4 + i, j + 1]. //} }// worksheet.Range[worksheet.Cells[4 + i, 1], worksheet.Cells[4 + i, 10]].Borders.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Black);//设置边框颜色，不然打印预览，会非常不雅观 }worksheet.Name = fileName;worksheet.Columns.EntireColumn.AutoFit();//列宽自适应 // String tick = DateTime.Now.ToString().Replace("-", "").Replace(":", "").Replace(" ", "") + ".xls";//excel文件名称 // string tick = "日配套报表导出";String save_path = temp_path + "\\" + fileName + ".xls";// saveDialog.ShowDialog();workbook.SaveAs(save_path, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);excelOperate.Dispose(worksheet, workbook, app);//关闭Excel进程 MessageBox.Show("导出成功");}catch(Exception e){MessageBox.Show("导出失败！" );}}
3. ExcelOperate 类
using System;
using System.Web;internal class ExcelOperate{private object mValue = System.Reflection.Missing.Value;public ExcelOperate(){//// TODO: 在此处添加构造函数逻辑//}/// <summary>/// 合并单元格/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void Merge(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).Merge(mValue);}/// <summary>/// 设置连续区域的字体大小/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="strStartCell">开始单元格</param>/// <param name="strEndCell">结束单元格</param>/// <param name="intFontSize">字体大小</param>public void SetFontSize(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, int intFontSize){CurSheet.get_Range(objStartCell, objEndCell).Font.Size = intFontSize.ToString();}/// <summary>/// 横向打印/// </summary>/// <param name="CurSheet"></param>public void xlLandscape(Microsoft.Office.Interop.Excel._Worksheet CurSheet){CurSheet.PageSetup.Orientation = Microsoft.Office.Interop.Excel.XlPageOrientation.xlLandscape;}/// <summary>/// 纵向打印/// </summary>/// <param name="CurSheet"></param>public void xlPortrait(Microsoft.Office.Interop.Excel._Worksheet CurSheet){CurSheet.PageSetup.Orientation = Microsoft.Office.Interop.Excel.XlPageOrientation.xlPortrait;}/// <summary>/// 在指定单元格插入指定的值/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="Cell">单元格 如Cells[1,1]</param>/// <param name="objValue">文本、数字等值</param>public void WriteCell(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objCell, object objValue){CurSheet.get_Range(objCell, mValue).Value2 = objValue;}/// <summary>/// 在指定Range中插入指定的值/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="StartCell">开始单元格</param>/// <param name="EndCell">结束单元格</param>/// <param name="objValue">文本、数字等值</param>public void WriteRange(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, object objValue){CurSheet.get_Range(objStartCell, objEndCell).Value2 = objValue;}/// <summary>/// 合并单元格，并在合并后的单元格中插入指定的值/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="objValue">文本、数字等值</param>public void WriteAfterMerge(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, object objValue){CurSheet.get_Range(objStartCell, objEndCell).Merge(mValue);CurSheet.get_Range(objStartCell, mValue).Value2 = objValue;}/// <summary>/// 为单元格设置公式/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objCell">单元格</param>/// <param name="strFormula">公式</param>public void SetFormula(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objCell, string strFormula){CurSheet.get_Range(objCell, mValue).Formula = strFormula;}/// <summary>/// 单元格自动换行/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void AutoWrapText(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).WrapText = true;}/// <summary>/// 设置整个连续区域的字体颜色/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="clrColor">颜色</param>public void SetColor(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, System.Drawing.Color clrColor){CurSheet.get_Range(objStartCell, objEndCell).Font.Color = System.Drawing.ColorTranslator.ToOle(clrColor);}/// <summary>/// 设置整个连续区域的单元格背景色/// </summary>/// <param name="CurSheet"></param>/// <param name="objStartCell"></param>/// <param name="objEndCell"></param>/// <param name="clrColor"></param>public void SetBgColor(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, System.Drawing.Color clrColor){CurSheet.get_Range(objStartCell, objEndCell).Interior.Color = System.Drawing.ColorTranslator.ToOle(clrColor);}/// <summary>/// 设置连续区域的字体名称/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="fontname">字体名称 隶书、仿宋_GB2312等</param>public void SetFontName(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, string fontname){CurSheet.get_Range(objStartCell, objEndCell).Font.Name = fontname;}/// <summary>/// 设置连续区域的字体为黑体/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void SetBold(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){//CurSheet.get_Range(objStartCell, objEndCell).Font.Bold = true;CurSheet.get_Range(objStartCell, objEndCell).Font.Size = 12;}/// <summary>/// 设置连续区域的边框：上下左右都为黑色连续边框/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void SetBorderAll(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlInsideHorizontal].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlInsideVertical].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);CurSheet.get_Range(objStartCell, objEndCell).Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlInsideVertical].LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;}/// <summary>/// 设置连续区域水平居中/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void SetHAlignCenter(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;}/// <summary>/// 设置连续区域水平居左/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void SetHAlignLeft(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignLeft;}/// <summary>/// 设置连续区域水平居右/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>public void SetHAlignRight(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell){CurSheet.get_Range(objStartCell, objEndCell).HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignRight;}/// <summary>/// 设置连续区域的显示格式/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="strNF">如"#,##0.00"的显示格式</param>public void SetNumberFormat(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, string strNF){CurSheet.get_Range(objStartCell, objEndCell).NumberFormat = strNF;}public void border(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object aa, object bb){CurSheet.get_Range(aa, bb).Borders.LineStyle = 1;}/// <summary>/// 设置列宽/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="strColID">列标识，如A代表第一列</param>/// <param name="dblWidth">宽度</param>public void SetColumnWidth(Microsoft.Office.Interop.Excel._Worksheet CurSheet, string strColID, double dblWidth){((Microsoft.Office.Interop.Excel.Range)CurSheet.Columns.GetType().InvokeMember("Item", System.Reflection.BindingFlags.GetProperty, null, CurSheet.Columns, new object[] { (strColID + ":" + strColID).ToString() })).ColumnWidth = dblWidth;}/// <summary>/// 设置列宽/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="dblWidth">宽度</param>public void SetColumnWidth(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, double dblWidth){CurSheet.get_Range(objStartCell, objEndCell).ColumnWidth = dblWidth;}/// <summary>/// 设置行高/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objStartCell">开始单元格</param>/// <param name="objEndCell">结束单元格</param>/// <param name="dblHeight">行高</param>public void SetRowHeight(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objStartCell, object objEndCell, double dblHeight){CurSheet.get_Range(objStartCell, objEndCell).RowHeight = dblHeight;}/// <summary>/// 为单元格添加超级链接/// </summary>/// <param name="CurSheet">Worksheet</param>/// <param name="objCell">单元格</param>/// <param name="strAddress">链接地址</param>/// <param name="strTip">屏幕提示</param>/// <param name="strText">链接文本</param>public void AddHyperLink(Microsoft.Office.Interop.Excel._Worksheet CurSheet, object objCell, string strAddress, string strTip, string strText){CurSheet.Hyperlinks.Add(CurSheet.get_Range(objCell, objCell), strAddress, mValue, strTip, strText);}/// <summary>/// 另存为xls文件/// </summary>/// <param name="CurBook">Workbook</param>/// <param name="strFilePath">文件路径</param>public void Save(Microsoft.Office.Interop.Excel._Workbook CurBook, string strFilePath){CurBook.SaveCopyAs(strFilePath);}/// <summary>/// 保存文件/// </summary>/// <param name="CurBook">Workbook</param>/// <param name="strFilePath">文件路径</param>public void SaveAs(Microsoft.Office.Interop.Excel._Workbook CurBook, string strFilePath){CurBook.SaveAs(strFilePath, mValue, mValue, mValue, mValue, mValue, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlShared, mValue, mValue, mValue, mValue, mValue);}/// <summary>/// 另存为html文件/// </summary>/// <param name="CurBook">Workbook</param>/// <param name="strFilePath">文件路径</param>public void SaveHtml(Microsoft.Office.Interop.Excel._Workbook CurBook, string strFilePath){CurBook.SaveAs(strFilePath, Microsoft.Office.Interop.Excel.XlFileFormat.xlHtml, mValue, mValue, mValue, mValue, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, mValue, mValue, mValue, mValue, mValue);}/// <summary>/// 释放内存/// </summary>public void Dispose(Microsoft.Office.Interop.Excel._Worksheet CurSheet, Microsoft.Office.Interop.Excel._Workbook CurBook, Microsoft.Office.Interop.Excel._Application CurExcel){try{System.Runtime.InteropServices.Marshal.ReleaseComObject(CurSheet);CurSheet = null;CurBook.Close(false, mValue, mValue);System.Runtime.InteropServices.Marshal.ReleaseComObject(CurBook);CurBook = null;CurExcel.Quit();System.Runtime.InteropServices.Marshal.ReleaseComObject(CurExcel);CurExcel = null;GC.Collect();GC.WaitForPendingFinalizers();}catch (System.Exception ex){HttpContext.Current.Response.Write("在释放Excel内存空间时发生了一个错误:" + ex);}finally{foreach (System.Diagnostics.Process pro in System.Diagnostics.Process.GetProcessesByName("Excel"))//if (pro.StartTime < DateTime.Now)pro.Kill();}System.GC.SuppressFinalize(this);}}
最后导出的文件样式
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