采用.Net Excel組件導出 EXCEL文件， ///?<summary>
????????///?導出Excel
????????///?</summary>
????????///?<param?name="source">需要導出的數據</param>
????????///?<param?name="exportFullPath">導出Excel文件的全路徑</param>
????????///?<param?name="hasHeadline">如果?true則生成表頭?</param>
????????private?void?ExportExcel(DataTable?source,?string?exportFullPath,?bool?hasHeadline)
????????{
????????????

????????????#region?采用.Net?Excel組件導出

????????????Application?objExcel?=?new?Application();
????????????if?(objExcel?==?null)
????????????{
????????????????throw?new?Exception("ERROR:?You?must?install?Microsoft?Excel?Application!");
????????????}

????????????//創建一個Excel文件（未保存，無文件名）
????????????Workbooks?objWorkbooks?=?objExcel.Workbooks;
????????????_Workbook?objWorkbook?=?objWorkbooks.Add(XlWBATemplate.xlWBATWorksheet);?//默認創建sheet1

????????????//取得Sheet1
????????????Sheets?objSheets?=?objWorkbook.Worksheets;
????????????_Worksheet?objWorksheet?=?(_Worksheet)objSheets.get_Item(1);

????????????//寫入標題
????????????int?intDataBeginRow?=?1;
????????????if?(hasHeadline)
????????????{
????????????????for?(int?i?=?0;?i?<?source.Columns.Count;?i++)
????????????????{
????????????????????objWorksheet.Cells[1,?i?+?1]?=?source.Columns[i].ColumnName.Trim();
????????????????}

????????????????//數據起始行加1
????????????????intDataBeginRow++;
????????????}

????????????//寫入數據,Excel的索引是從1開始的
????????????for?(int?j?=?0;?j?<?source.Rows.Count;?j++)
????????????{
????????????????for?(int?k?=?0;?k?<?source.Columns.Count;?k++)
????????????????{
????????????????????objWorksheet.Cells[j?+?intDataBeginRow,?k?+?1]?=?source.Rows[j][k].ToString();
????????????????}
????????????}
????????????objWorksheet.Hyperlinks.Delete();?//去掉超鏈

????????????//保存文件（如果使用objWorkbook.SaveAs將不兼容excel2000,excelxp）
????????????objWorkbook._SaveAs(exportFullPath,?Missing.Value,?Missing.Value,?Missing.Value,?Missing.Value,?Missing.Value,?XlSaveAsAccessMode.xlNoChange,?Missing.Value,?Missing.Value,?Missing.Value,?Missing.Value);

????????????//關閉文件，釋放資源
????????????objWorkbook.Close(false,?exportFullPath,?false);
????????????objExcel?=?null;

????????????#endregion
????????}
直接調用ExportExcel 即可

轉載于:https://www.cnblogs.com/kaiwind/archive/2008/04/22/1165821.html

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