Asp.Net中应用Aspose.Cells输出报表到Excel

解决思路：

1、找个可用的Aspose.Cells（有钱还是买个正版吧，谁开发个东西也不容易）；

2、在.Net方案中引用此Cells；

3、写个函数ToExcel(传递一个DataTable)，可以另写个SetCellStyle的函数专门给各列设置样式。

4、在按钮的Click事件中调用此ToExcel()即可。

注：想更详细了解的到Aspose网站去，那里有很多在线文档，够你看的了。也可以下载个Demo程序研究。

 

部分代码贴在这里，代码还有需要改进的地方，暂时这么用着，给自己以后方便查找，再者给真正接触此控件的同志们抛个砖头：

ExportToExcel()的：

/// <summary>/// 利用Aspose.Cells对DataTable数据生成Excel文件/// </summary>/// <returns>是否成功</returns>/// <param name="response">包含存储路径，直接用Response即可</param>/// <param name="dt">数据体</param>/// <param name="FileName">文件名</param>/// <param name="SheetName">sheet名</param>/// <param name="Title">表头</param>/// <param name="ColTitle">列标题，字符串数组</param>/// <param name="ColName">列名，字符串数组</param>/// <param name="ColWidth">列宽，整数数组</param>/// <param name="ColStyle">列样式，整数数组，1=居中文本、2=特殊字体Georgia、3=居左文本、4=整数(x)、5=2位小数(x,xxx.xx)、6=日期(yyyy-M-d不带时间)、7=百分数(0.123=12.3%)</param>/// <param name="ColTitleRow">列标题的开始行号，有title的设为1即可</param>/// <param name="err">返回的错误信息</param>public bool ExportToExcel(System.Web.HttpResponse response,DataTable dt, string FileName, string SheetName, string Title, ArrayList ColTitle, ArrayList ColName, ArrayList ColWidth, ArrayList ColStyle, int ColTitleRow, ref string err){//先检查各数组是否个数一致if (ColTitle.Count != ColName.Count || ColTitle.Count != ColWidth.Count || ColTitle.Count != ColStyle.Count){err = "数据组个数不一致";return false;}try{Workbook workbook = new Workbook(); //打开模版文件//string path = System.Web.HttpContext.Current.Server.MapPath("~");//path = path.Substring(0, path.LastIndexOf("//"));//path += @"/designer/Workbooks/NumberFormatting.xls";//workbook.Open(path);//打开sheetworkbook.Worksheets.Clear();Worksheet worksheet = workbook.Worksheets.Add(SheetName);worksheet = workbook.Worksheets[0];Cells cells = worksheet.Cells; //cells.ClearContents(0,0,60,30); //加入样式ArrayList styles = new ArrayList();styles = SetCellStyle(workbook, ColStyle);//加入Title即表头，类似“xxx汇总表”，其占居所有列数Range w;//范围if(ColTitleRow>0){//Put数据到某个cell中cells[0,0].PutValue(Title);//设置行高cells.SetRowHeight(0, 35);//合并单元格cells.Merge(0,0,1,(byte)ColName.Count);//CreateRange函数参数说明：cells.CreateRange(firstrow, firstcol, rownumber, colnumber)w=cells.CreateRange(0,0,1,(byte)ColName.Count);//设置该合并单元的Style//w.Style = (Aspose.Cells.Style)styles[ColStyle.Count];w.Style = workbook.Styles["SheetTitle"];}//给各列的标题行PutValue，类似“序号，类型，名称，价格，数量，合计”int currow = ColTitleRow; byte curcol = 0;foreach(string s in ColTitle){cells[currow,curcol++].PutValue(s);cells.SetRowHeight(ColTitleRow, 25);}//设置列标题行的Stylew=cells.CreateRange(currow,0,1,ColName.Count);w.Style = (Aspose.Cells.Style)styles[ColStyle.Count+1];//上面这行也可以写成//w.Style = workbook.Styles["ColTitle"];//ColTitle在函数SetCellStyle中设置了currow++;//将数据体按顺序插入各cellfor(int i=0; i<dt.Rows.Count; i++){curcol = 0;for(int j=0; j<ColName.Count; j++){object val = dt.Rows[i][ColName[j].ToString()].ToString().Trim();switch (int.Parse(ColStyle[j].ToString())){case 4://整数if (val.ToString().Length>0)val = Int32.Parse(val.ToString());elseval = "";break;case 5://2位小数if (val.ToString().Length>0)val = Decimal.Parse(val.ToString());elseval = "";break;case 6://日期if (val.ToString().Length>0)val = DateTime.Parse(val.ToString());elseval = "";break;case 7://百分数，1=100%if (val.ToString().Length>0)val = Decimal.Parse(val.ToString());elseval = "";break;default:break;}//end switchcells[currow,curcol++].PutValue(val);}//end for jcurrow ++;} //end for icurcol = 0;//设置数据体Stylefor(int i=0; i<dt.Columns.Count; i++){w = cells.CreateRange(ColTitleRow+1, i, dt.Rows.Count, 1);w.Style = (Aspose.Cells.Style)styles[i];}//w=cells.CreateRange(ColTitleRow+1,col,currow,ColName.Count);//w.Style=excel.Styles["Data"];//设置各列宽度foreach(int s in ColWidth)cells.SetColumnWidth(curcol++, s);/*//********可参考的格式设置*******************************************************//Set number format with built-in indexfor (int i = 0; i < 37; i ++){cells[i, 1].PutValue(1234.5);//int Number = cells[i, 0].IntValue;//Set the display number formatcells[i, 1].Style.Number = i;}//Set number format with custom format stringfor (int i = 1; i < 4; i ++){cells[i, 3].PutValue(1234.5);//Set the display custom number formatcells[i, 3].Style.Custom = cells[i, 2].StringValue;}//********可参考的格式设置********************************************************///workbook.Save(FileName, FileFormatType.Default, SaveType.OpenInExcel, System.Web.HttpContext.Current.Response);workbook.Save(FileName, FileFormatType.Default, SaveType.OpenInExcel, response);return true;}catch (Exception ex){err = ex.Message;return false;}}//end ExportToExcel()#endregion

SetStyle()的：

#region SetCellStyle()设置格式，如果需要增加新的格式，请在case后面增加，不要修改前面的public ArrayList SetCellStyle(Workbook workbook, ArrayList styleindex){//通用设置样式的ArrayList CellStyle = new ArrayList(styleindex.Count + 2);Aspose.Cells.Style style = null;for (int i=0; i<styleindex.Count; i++){int index = workbook.Styles.Add();style = workbook.Styles[index];style.Name = "Custom_Style" + ((int)(i + 1)).ToString();style.ForegroundColor = Color.White;style.HorizontalAlignment = TextAlignmentType.Center;style.VerticalAlignment = TextAlignmentType.Center;style.Font.Name = "宋体";style.Font.Size = 10;style.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;switch((int)styleindex[i]){case 1://居中文本style.HorizontalAlignment = TextAlignmentType.Center;style.VerticalAlignment = TextAlignmentType.Center;break;case 2://特殊字体Georgiastyle.Font.Name = "Georgia";break;case 3://文本列style.HorizontalAlignment = TextAlignmentType.Left;break;case 4://整数列 1 Decimal 0 style.HorizontalAlignment = TextAlignmentType.Center;style.Number = 1;break;case 5://2位小数 39={Currency #,##0.00;-#,##0.00} 40={#,##0.00;[Red]-#,##0.00}style.HorizontalAlignment = TextAlignmentType.Right;style.Number = 40;break;case 6://日期列 14 Date yyyy-m-dstyle.HorizontalAlignment = TextAlignmentType.Center;style.Number = 14;//这个格式不是太好，还需要调整break;case 7://百分比% 10 Percentage 0.00% style.HorizontalAlignment = TextAlignmentType.Center;style.Number = 10;break;default:break;}//end switchCellStyle.Add(style);}//特别增加一个用于表头的style.Name = "SheetTitle";int sindex = workbook.Styles.Add();style = workbook.Styles[sindex];style.Name = "SheetTitle";style.Font.Size = 14;style.Font.IsBold = true;style.Font.Name = "楷体_GB2312";style.HorizontalAlignment = TextAlignmentType.Center;style.VerticalAlignment = TextAlignmentType.Center;style.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;CellStyle.Add(style);//特别增加一个用于列标题的style.Name = "ColTitle";sindex = workbook.Styles.Add();style = workbook.Styles[sindex];style.Name = "ColTitle";style.Font.Size = 12;style.Font.IsBold = true;style.Font.Name = "宋体";style.HorizontalAlignment = TextAlignmentType.Center;style.VerticalAlignment = TextAlignmentType.Center;style.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;style.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;CellStyle.Add(style);//返回样式数组return CellStyle;}//end SetCellStyle#endregion