Aspose.Cells导出Excel（2）

DataTable dtTitle = ds.Tables[0];
DataTable dtDetail = ds.Tables[1];
int columns = dtTitle.Columns.Count;

string error = "";//导出出错的原因
Aspose.Cells.Workbook wb = new Aspose.Cells.Workbook(); //工作簿
Worksheet sheet = wb.Worksheets[0]; //第一张工作表
Cells cells = sheet.Cells;//单元格 
cells.SetColumnWidth(0, 15f);//第一列的宽
cells.SetColumnWidth(1, 10f);
cells.SetColumnWidth(2, 10f);
cells.SetColumnWidth(3, 10f);
DataRow dr = null;
string p = "";
if (dtTitle != null && dtTitle.Rows.Count > 0)
{
    try
    {
        #region //为第一行表头单元格添加样式 
        Aspose.Cells.Style styleTitle = wb.Styles[wb.Styles.Add()];//新增样式
        //设置居中
        styleTitle.HorizontalAlignment = TextAlignmentType.Center;
        //设置背景颜色
        styleTitle.ForegroundColor = System.Drawing.Color.FromArgb(153, 204, 0);
        styleTitle.Pattern = BackgroundType.Solid;
        //粗体
        styleTitle.Font.IsBold = true;

        //设置边框
        //styleTitle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
        //styleTitle.Borders[BorderType.LeftBorder].Color = System.Drawing.Color.Black;
        //styleTitle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
        //styleTitle.Borders[BorderType.RightBorder].Color = System.Drawing.Color.Black;
        //styleTitle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
        //styleTitle.Borders[BorderType.TopBorder].Color = System.Drawing.Color.Black;
        //styleTitle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
        //styleTitle.Borders[BorderType.BottomBorder].Color = System.Drawing.Color.Black;
        #endregion

        #region 拼接表头
        for (int i = 0; i < dtTitle.Rows.Count; i++)
        {
            dr = dtTitle.Rows[i];

            #region 学号 姓名 均分 总分
            cells.Merge(0, 0, 2, 1);//合并单元格
            cells[0, 0].PutValue(dr["F4"]);//填写内容
            cells[0, 0].SetStyle(styleTitle);//表头样式

            cells.Merge(0, 1, 2, 1);//合并单元格
            cells[0, 1].PutValue(dr["F5"]);//填写内容
            cells[0, 1].SetStyle(styleTitle);//表头样式

            cells.Merge(0, 2, 2, 1);//合并单元格
            cells[0, 2].PutValue(dr["F9"]);//填写内容
            cells[0, 2].SetStyle(styleTitle);//表头样式

            cells.Merge(0, 3, 2, 1);//合并单元格
            cells[0, 3].PutValue(dr["F8"]);//填写内容
            cells[0, 3].SetStyle(styleTitle);//表头样式 

            cells.Merge(0, 4, 1, columns - 9);//合并单元格
            cells[0, 4].PutValue("作业分数记录");//填写内容
            cells[0, 4].SetStyle(styleTitle);//表头样式
            #endregion

            for (int n = 9; n < columns; n++)
            {
                p = "F" + (n + 1);
                cells[1, n - 5].PutValue(dr[p]);//填写内容
                cells[1, n - 5].SetStyle(styleTitle);//表头样式
                cells.SetColumnWidth(n - 5, 15f);
            }
        }
        //让各列自适应宽度
        //sheet.AutoFitColumns();
        #endregion
    }
    catch (Exception e)
    {
        error += "DataTableToExcel-Error:" + e.Message;
    }
}
if (dtDetail != null && dtDetail.Rows.Count > 0)
{
    Aspose.Cells.Style styleCell = wb.Styles[wb.Styles.Add()];//新增样式
    //设置居中
    //styleCell.HorizontalAlignment = TextAlignmentType.Center;
    float result=0.00f;
    for (int i = 0; i < dtDetail.Rows.Count; i++)
    {
        dr = dtDetail.Rows[i];

        #region 学号 姓名 均分 总分
        styleCell.HorizontalAlignment = TextAlignmentType.Left;
        cells[i + 2, 0].PutValue(dr["F4"]);//填写内容
        cells[i + 2, 0].SetStyle(styleCell);//表头样式

        styleCell.HorizontalAlignment = TextAlignmentType.Center;
        cells[i + 2, 1].PutValue(dr["F5"]);//填写内容
        cells[i + 2, 1].SetStyle(styleCell);//表头样式

        styleCell.HorizontalAlignment = TextAlignmentType.Right;
        if (float.TryParse(dr["F9"].ToString(), out result))
        {
            cells[i + 2, 2].PutValue(result.ToString("0.00"));//填写内容 
        }
        else
        {
            cells[i + 2, 2].PutValue(dr["F9"]);//填写内容 
        }
        cells[i + 2, 2].SetStyle(styleCell);//表头样式
        
        if (float.TryParse(dr["F8"].ToString(), out result))
        {
            cells[i + 2, 3].PutValue(result.ToString("0.00"));//填写内容 
        }
        else
        {
            cells[i + 2, 3].PutValue(dr["F8"]);//填写内容 
        }
        cells[i + 2, 3].SetStyle(styleCell);//表头样式 

        #endregion
        for (int n = 9; n < columns; n++)
        {
            p = "F" + (n + 1);
            if (float.TryParse(dr[p].ToString(), out result))
            {
                cells[i + 2, n - 5].PutValue(result.ToString("0.00"));//填写内容 
            }
            else
            {
                cells[i + 2, n - 5].PutValue(dr[p]);//填写内容 
            }
            cells[i + 2, n - 5].SetStyle(styleCell);//样式
        }
    }
}

string finalPath = MapPath("~" + "/UploadFiles/ExportClass/" + filename + ".xls");
wb.Save(finalPath);
//进行编码，便于中文名文件下载
string SiteRoot = "http://" + Request.Url.Authority.ToString() + "/UploadFiles/ExportClass/" + Uri.EscapeDataString(filename + ".xls"); //下载excel 
ClientScript.RegisterStartupScript(this.GetType(), "", ",<script type='text/javascript'>window.open('" + SiteRoot + "');</script>");