读取excel模板填充数据 并合并相同文本单元格

 try             {                

string OutFileName = "北京市国控企业污染源废气在线比对监测数据审核表" + DateTime.Now.ToString("yyyy-MM-dd");                

string templateName = "online_gas_template.xml";               

  if (OutFileName.Contains("xls"))              

   {                 

    OutFileName = OutFileName.Substring(0, OutFileName.LastIndexOf('.'));             

    }             

    int mergeColumnCount = 10;        

         string strSql = string.Empty;             

    DataTable dsData = dalReport.GetExportData(this.txtEnterName.Text, PollutionName.Text, ddl_Year.SelectedValue, ddl_Quarter.SelectedValue, ddl_Area.Items[ddl_Area.SelectedIndex].Text, ddl_Result.SelectedValue, radio_Used.SelectedValue);                 if (null == dsData) return;          

       int intColCount = dsData.Columns.Count;       

          int intRowCount = dsData.Rows.Count;              

   DataColumnCollection colName = dsData.Columns;

                //构造EXCLE字符串                 string newFilePath = this.Server.MapPath("..") + "\temp\" + OutFileName + ".xls";                 System.IO.StreamWriter sw = new System.IO.StreamWriter(newFilePath);               

  string filePath = this.Server.MapPath("..") + "\ExcelTemplet\" + templateName;       

          System.IO.FileStream tempFile = new System.IO.FileStream(filePath, System.IO.FileMode.Open);//读取模板文件

                System.IO.StreamReader sr = new System.IO.StreamReader(tempFile);         

        string tempStr = sr.ReadToEnd();               

  sr.Close();

                //内容开始                 StringBuilder sbContent = new StringBuilder();

                //申明两个数组,初始为0              

   int[] mergeDownArr = new int[mergeColumnCount];//用来保存要向下合并的行数,运行到下一行时递减       

          int[] mergeDownTotalArr = new int[mergeColumnCount];//记录一下合并行总数

                for (int rI = 0; rI < intRowCount; rI++)//循环输出行                 {                     sbContent.Append("<Row>");                     for (int mI = 0; mI < mergeColumnCount; mI++)//循环有合并情况的列                     {                         if (mergeDownArr[mI] <= 0)                         {                             for (int n = rI + 1; n < intRowCount; n++)                             {                                 if (dsData.Rows[n][mI].ToString() == dsData.Rows[rI][mI].ToString())                                 {                                     if (mI != 1)//如果不是企业名称列,其它列是否合并要根据企业名称是否相等来判断                                     {                                         if (dsData.Rows[n][1].ToString() == dsData.Rows[rI][1].ToString())                                         {                                             mergeDownArr[mI]++;                                         }                                     }                                     else//如果是企业名称列,则直接加                                     {                                         mergeDownArr[mI]++;                                     }                                 }                                 else                                 {                                     break;                                 }                             }                             mergeDownTotalArr[mI] = mergeDownArr[mI];                         }                         else                         {                             mergeDownArr[mI]--;                         }                     }                     //要对数据的前mergeColumnCount个列进行合并相关处理                     for (int cI = 0; cI < mergeColumnCount; cI++)                     {                         int cellIndex = cI + 1;                         if (mergeDownArr[cI] == mergeDownTotalArr[cI] && mergeDownTotalArr[cI] > 0)//要输出的具有合并标志的第一行                         {                             sbContent.Append("<Cell ss:Index="" + cellIndex + "" ss:MergeDown="" + mergeDownTotalArr[cI] + "" ss:StyleID="s21"><Data ss:Type="String">" + dsData.Rows[rI][cI].ToString().Replace("<", "&lt;") + "</Data></Cell>");                         }                         else if (mergeDownTotalArr[cI] == 0)                         {

                            sbContent.Append("<Cell ss:Index="" + cellIndex + "" ss:StyleID="s21"><Data ss:Type="String">" + dsData.Rows[rI][cI].ToString().Replace("<", "&lt;") + "</Data></Cell>");                         }                     }                     //处理剩下不需要合并的列                     string ssIndex = string.Empty;                     if (mergeColumnCount > 0)                     {                         ssIndex = "ss:Index="" + (mergeColumnCount + 1).ToString() + """;                     }                     for (int remainC = mergeColumnCount; remainC < intColCount; remainC++)//循环输出剩下不需要合并的列                     {                         if (remainC == mergeColumnCount)                         {                             sbContent.Append("<Cell ss:StyleID="s21" " + ssIndex + " ><Data ss:Type="String">" + dsData.Rows[rI][remainC].ToString().Replace("<", "&lt;") + "</Data></Cell>");                         }                         else                         {                             string txt = "s21";                             if (remainC == 16)                             {                                 if (dsData.Rows[rI][remainC].ToString().Replace("<", "&lt;") == "否")                                     txt = "s210";                             }                             sbContent.Append("<Cell ss:StyleID="" + txt + ""><Data ss:Type="String">" + dsData.Rows[rI][remainC].ToString().Replace("<", "&lt;") + "</Data></Cell>");                         }

                    }                     sbContent.Append("</Row>");                 }                 tempStr = tempStr.Replace("{Content}", sbContent.ToString());                 sw.Write(tempStr);                 sw.Close();                 ExecJs("window.open('../temp/" + OutFileName + ".xls');", Page);             }             catch (System.Exception E)             {             }

模板文件内容

<?xml version="1.0"?>
<?mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
 xmlns:o="urn:schemas-microsoft-com:office:office"
 xmlns:x="urn:schemas-microsoft-com:office:excel"
 xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
 xmlns:html="http://www.w3.org/TR/REC-html40">
 <DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
  <Version>14.00</Version>
 </DocumentProperties>
 <OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
  <AllowPNG/>
 </OfficeDocumentSettings>
 <ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
  <WindowHeight>10005</WindowHeight>
  <WindowWidth>10005</WindowWidth>
  <WindowTopX>120</WindowTopX>
  <WindowTopY>135</WindowTopY>
  <ProtectStructure>False</ProtectStructure>
  <ProtectWindows>False</ProtectWindows>
 </ExcelWorkbook>
 <Styles>
  <Style ss:ID="Default" ss:Name="Normal">
   <Alignment ss:Vertical="Center"/>
   <Borders/>
   <Font ss:FontName="宋体" x:CharSet="134" ss:Size="11" ss:Color="#000000"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="s62" ss:Name="常规 2">
   <Alignment ss:Vertical="Bottom"/>
   <Borders/>
   <Font ss:FontName="Arial" x:Family="Swiss"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="m45960948" ss:Parent="s62">
   <Alignment ss:Horizontal="Left" ss:Vertical="Center" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="宋体" x:CharSet="134" ss:Size="9"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="s63">
   <Alignment ss:Horizontal="Center" ss:Vertical="Center" ss:WrapText="1"/>
  </Style>
  <Style ss:ID="s65">
   <Alignment ss:Horizontal="Center" ss:Vertical="Center" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="宋体" x:CharSet="134" ss:Size="16" ss:Color="#000000"
    ss:Bold="1"/>
  </Style>
  <Style ss:ID="s68" ss:Parent="s62">
   <Alignment ss:Horizontal="Center" ss:Vertical="Top" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="宋体" x:CharSet="134" ss:Size="9" ss:Color="#000000"
    ss:Bold="1"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="s69" ss:Parent="s62">
   <Alignment ss:Horizontal="Center" ss:Vertical="Top" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="Tahoma" x:CharSet="134" x:Family="Swiss" ss:Size="9"
    ss:Color="#000000" ss:Bold="1"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="s70" ss:Parent="s62">
   <Alignment ss:Horizontal="Center" ss:Vertical="Center" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="宋体" x:CharSet="134" ss:Size="9" ss:Color="#000000"
    ss:Bold="1"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
  <Style ss:ID="s71" ss:Parent="s62">
   <Alignment ss:Horizontal="Center" ss:Vertical="Center" ss:WrapText="1"/>
   <Borders>
    <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
    <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
   </Borders>
   <Font ss:FontName="Tahoma" x:CharSet="134" x:Family="Swiss" ss:Size="9"
    ss:Color="#000000" ss:Bold="1"/>
   <Interior/>
   <NumberFormat/>
   <Protection/>
  </Style>
   <!--通用样式s21,程序里写入行数据时使用此样式,不可少-->
   <Style ss:ID="s21">
     <Alignment ss:Horizontal="Center" ss:Vertical="Center" ss:WrapText="1"/>
     <Borders>
       <Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
       <Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
       <Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
       <Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
     </Borders>
   </Style>
 </Styles>
 <Worksheet ss:Name="污水处理厂在线比对监测数据审核表">
  <Table ss:ExpandedColumnCount="18" x:FullColumns="1"
   x:FullRows="1" ss:StyleID="s63" ss:DefaultColumnWidth="54"
   ss:DefaultRowHeight="13.5">
   <Column ss:Index="6" ss:StyleID="s63" ss:AutoFitWidth="0" ss:Width="69.75"/>
   <Row ss:AutoFitHeight="0" ss:Height="42.5625">
    <Cell ss:MergeAcross="17" ss:StyleID="s65"><Data ss:Type="String">北京市国控企业污染源污水处理厂在线比对监测数据审核表</Data></Cell>
   </Row>
   <Row ss:AutoFitHeight="0" ss:Height="24">
    <Cell ss:StyleID="s68"><Data ss:Type="String">区县名称</Data></Cell>
    <Cell ss:StyleID="s68"><Data ss:Type="String">企业名称</Data></Cell>
    <Cell ss:StyleID="s69"><Data ss:Type="String">监测点名称</Data></Cell>
    <Cell ss:StyleID="s68"><Data ss:Type="String">自动监测系统安装位置</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">监测原理</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">自动监测设备型号</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">自动监测设备生产厂家</Data></Cell>
     <Cell ss:StyleID="s70">
       <Data ss:Type="String">比对监测日期</Data>
     </Cell>
     <Cell ss:StyleID="s71">
       <Data ss:Type="String">监测因子</Data>
     </Cell>
     <Cell ss:StyleID="s71">
       <Data ss:Type="String">数据类型</Data>
     </Cell>
    <Cell ss:StyleID="s71"><Data ss:Type="String">手工监测数据</Data></Cell>
    <Cell ss:StyleID="s71"><Data ss:Type="String">自动监测数据</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">单位</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">比对结果</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">评判标准</Data></Cell>
     <Cell ss:StyleID="s70">
       <Data ss:Type="String">是否合格</Data>
     </Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">监测项目是否合格</Data></Cell>
    <Cell ss:StyleID="s70"><Data ss:Type="String">监测点位全项目是否合格</Data></Cell>
   </Row>
    {Content}
   <Row ss:AutoFitHeight="0">
    <Cell ss:MergeAcross="17" ss:StyleID="m45960948"><Data ss:Type="String">签发:                                      审核:                                             录入:                          第   页/共   页                          </Data></Cell>
   </Row>
  </Table>
  <WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
   <PageSetup>
    <Header x:Margin="0.3"/>
    <Footer x:Margin="0.3"/>
    <PageMargins x:Bottom="0.75" x:Left="0.7" x:Right="0.7" x:Top="0.75"/>
   </PageSetup>
   <Unsynced/>
   <Print>
    <ValidPrinterInfo/>
    <PaperSizeIndex>9</PaperSizeIndex>
    <HorizontalResolution>200</HorizontalResolution>
    <VerticalResolution>200</VerticalResolution>
   </Print>
   <Selected/>
   <Panes>
    <Pane>
     <Number>3</Number>
     <ActiveRow>2</ActiveRow>
     <RangeSelection>R3C1:R3C18</RangeSelection>
    </Pane>
   </Panes>
   <ProtectObjects>False</ProtectObjects>
   <ProtectScenarios>False</ProtectScenarios>
  </WorksheetOptions>
 </Worksheet>
</Workbook>

原文地址:https://www.cnblogs.com/jameslif/p/3158444.html