原文：http://blog.csdn.net/lonely7345/archive/2007/12/08/1924063.aspx

主要利用OWC生成Excel,画表头和显示从数据库读出来的数据,然后显示在前台页面上,无需客户端安装office,只需要安装owc.

后面利用OWC操作EXCEL,并且生成文件的操作

            SpreadsheetClass xlsheet = new SpreadsheetClass();

            设置标题#region  设置标题
            //写标题
            //合并单元格
            xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1,30]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[1, 1] = "采购执行情况一览表";
            //字体加粗
            xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1, 30]).Font.set_Bold(true);
            //单元格文本水平居中对齐
            xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1, 30]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);
            //设置字体大小
            xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1,30]).Font.set_Size(14);
            #endregion

            设置列#region  设置列
            xlsheet.get_Range(xlsheet.Cells[2,1],xlsheet.Cells[3,1]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 1] = "序号";
            xlsheet.get_Range(xlsheet.Cells[2, 1], xlsheet.Cells[3,1]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 2], xlsheet.Cells[3, 2]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 2] = "项目号";
            xlsheet.get_Range(xlsheet.Cells[2, 2], xlsheet.Cells[3, 2]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 3], xlsheet.Cells[3, 3]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 3] = "包号";
            xlsheet.get_Range(xlsheet.Cells[2, 3], xlsheet.Cells[3, 3]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 4], xlsheet.Cells[3, 4]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 4] = "包预算";
            xlsheet.get_Range(xlsheet.Cells[2, 4], xlsheet.Cells[3, 4]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 5], xlsheet.Cells[3, 5]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 5] = "包计划请购日期";
            xlsheet.get_Range(xlsheet.Cells[2, 5], xlsheet.Cells[3, 5]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 6], xlsheet.Cells[3, 6]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 6] = "包计划签约日期";
            xlsheet.get_Range(xlsheet.Cells[2, 6], xlsheet.Cells[3,6]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 7], xlsheet.Cells[3, 7]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 7] = "包计划运输日期";
            xlsheet.get_Range(xlsheet.Cells[2, 7], xlsheet.Cells[3, 7]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 8], xlsheet.Cells[3, 8]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 8] = "包计划检验日期";
            xlsheet.get_Range(xlsheet.Cells[2, 8], xlsheet.Cells[3, 8]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 9], xlsheet.Cells[3, 9]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 9] = "项目经理";
            xlsheet.get_Range(xlsheet.Cells[2, 9], xlsheet.Cells[3, 9]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 10], xlsheet.Cells[3, 10]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2,10] = "采购经理";
            xlsheet.get_Range(xlsheet.Cells[2, 10], xlsheet.Cells[3, 10]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 11], xlsheet.Cells[3, 11]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 11] = "采购工程师";
            xlsheet.get_Range(xlsheet.Cells[2, 11], xlsheet.Cells[3, 11]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 12], xlsheet.Cells[3, 12]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 12] = "包状态";
            xlsheet.get_Range(xlsheet.Cells[2, 12], xlsheet.Cells[3, 12]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 13], xlsheet.Cells[3, 13]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 13] = "合同号";
            xlsheet.get_Range(xlsheet.Cells[2, 13], xlsheet.Cells[3, 13]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 14], xlsheet.Cells[3, 14]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 14] = "供应商";
            xlsheet.get_Range(xlsheet.Cells[2, 14], xlsheet.Cells[3, 14]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 15], xlsheet.Cells[3, 15]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 15] = "合同签定日";
            xlsheet.get_Range(xlsheet.Cells[2, 15], xlsheet.Cells[3, 15]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 16], xlsheet.Cells[3, 16]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 16] = "合同金额";
            xlsheet.get_Range(xlsheet.Cells[2, 16], xlsheet.Cells[3, 16]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 17], xlsheet.Cells[3, 17]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 17] = "合同控制价";
            xlsheet.get_Range(xlsheet.Cells[2, 17], xlsheet.Cells[3, 17]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 18], xlsheet.Cells[3, 18]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 18] = "出厂资料交付时间";
            xlsheet.get_Range(xlsheet.Cells[2, 18], xlsheet.Cells[3, 18]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 19], xlsheet.Cells[3, 19]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 19] = "出厂前检验时间";
            xlsheet.get_Range(xlsheet.Cells[2, 19], xlsheet.Cells[3, 19]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 20], xlsheet.Cells[3, 20]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 20] = "性能试验时间";
            xlsheet.get_Range(xlsheet.Cells[2, 20], xlsheet.Cells[3, 20]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.get_Range(xlsheet.Cells[2, 21], xlsheet.Cells[2, 24]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 21] = "交货时间";
            xlsheet.get_Range(xlsheet.Cells[2, 21], xlsheet.Cells[2, 24]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.ActiveSheet.Cells[3, 21] = "1";
            xlsheet.ActiveSheet.Cells[3, 22] = "2";
            xlsheet.ActiveSheet.Cells[3, 23] = "3";
            xlsheet.ActiveSheet.Cells[3, 24] = "4";

            xlsheet.get_Range(xlsheet.Cells[2, 25], xlsheet.Cells[2, 30]).set_MergeCells(true);
            xlsheet.ActiveSheet.Cells[2, 25] = "付款条件";
            xlsheet.get_Range(xlsheet.Cells[2, 25], xlsheet.Cells[2, 30]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);

            xlsheet.ActiveSheet.Cells[3, 25] = "1";
            xlsheet.ActiveSheet.Cells[3, 26] = "2";
            xlsheet.ActiveSheet.Cells[3, 27] = "3";
            xlsheet.ActiveSheet.Cells[3, 28] = "4";
            xlsheet.ActiveSheet.Cells[3, 29] = "5";
            xlsheet.ActiveSheet.Cells[3, 30] = "6";

#endregion

            写入数据#region  写入数据
            int row = 4;//从第四行开始

            IList list = this.m_ProcurementPackageManager.GetAllObjectsList();

            int i = 1;
            foreach (ProcurementPackage package in list)
            ...{
                xlsheet.ActiveSheet.Cells[row,1] = i.ToString();
                xlsheet.ActiveSheet.Cells[row, 2] = package.Project.ProjectCode;
                xlsheet.ActiveSheet.Cells[row, 3] = package.PackageCode;
                xlsheet.ActiveSheet.Cells[row, 4] = package.PriceBudget;
                xlsheet.ActiveSheet.Cells[row, 5] = ConvertDateTimeToString(package.PlanRequestDate);
                xlsheet.ActiveSheet.Cells[row, 6] = ConvertDateTimeToString(package.PlanSignDate);
                xlsheet.ActiveSheet.Cells[row, 7] = ConvertDateTimeToString(package.PlanTransportDate);
                xlsheet.ActiveSheet.Cells[row, 8] = ConvertDateTimeToString(package.PlanCheckDate);

                xlsheet.ActiveSheet.Cells[row, 9] = this.m_ProcurementPackageManager.GetPackageGroupUser(package.UniqueID, PackageGroupEnum.ProjectManager);
                xlsheet.ActiveSheet.Cells[row, 10] = this.m_ProcurementPackageManager.GetPackageGroupUser(package.UniqueID, PackageGroupEnum.PurchasingManager);
                xlsheet.ActiveSheet.Cells[row, 11] = this.m_ProcurementPackageManager.GetPackageGroupUser(package.UniqueID, PackageGroupEnum.ProcurementEngineer);
                xlsheet.ActiveSheet.Cells[row, 12] = package.FlagDSC;

                int j  = 0;
                foreach (ContractMaster contract in package.ContractList)
                ...{
                    xlsheet.ActiveSheet.Cells[row + j, 13] = contract.UniCode;
                    xlsheet.ActiveSheet.Cells[row + j, 14] = contract.ShortList.LongList.CompanyName;
                    xlsheet.ActiveSheet.Cells[row + j, 15] = ConvertDateTimeToString(contract.SignDate);
                    xlsheet.ActiveSheet.Cells[row + j, 16] = contract.TotalAmount;
                    xlsheet.ActiveSheet.Cells[row + j, 17] = contract.ControlPrice;
                    xlsheet.ActiveSheet.Cells[row + j, 18] = ConvertDateTimeToString(contract.FactoryDataDeliveryTime);
                    xlsheet.ActiveSheet.Cells[row + j, 19] = ConvertDateTimeToString(contract.FactoryInspectionTime);
                    xlsheet.ActiveSheet.Cells[row + j, 20] = ConvertDateTimeToString(contract.PerformanceTestTime);

                    xlsheet.ActiveSheet.Cells[row + j, 21] = ConvertDateTimeToString(contract.DeliveryTime1);
                    xlsheet.ActiveSheet.Cells[row + j, 22] = ConvertDateTimeToString(contract.DeliveryTime2);
                    xlsheet.ActiveSheet.Cells[row + j, 23] = ConvertDateTimeToString(contract.DeliveryTime3);
                    xlsheet.ActiveSheet.Cells[row + j, 24] = ConvertDateTimeToString(contract.DeliveryTime4);

                    xlsheet.ActiveSheet.Cells[row + j, 25] = contract.PaymentTerm1;
                    xlsheet.ActiveSheet.Cells[row + j, 26] = contract.PaymentTerm2;
                    xlsheet.ActiveSheet.Cells[row + j, 27] = contract.PaymentTerm3;
                    xlsheet.ActiveSheet.Cells[row + j, 28] = contract.PaymentTerm4;
                    xlsheet.ActiveSheet.Cells[row + j, 29] = contract.PaymentTerm5;
                    xlsheet.ActiveSheet.Cells[row + j, 30] = contract.PaymentTerm6;

                    j++;
                }

                for (int m = 1; m <= 12; m++)
                ...{
                    xlsheet.get_Range(xlsheet.Cells[row, m], xlsheet.Cells[row + j-1, m]).set_MergeCells(true);
                    xlsheet.get_Range(xlsheet.Cells[row, m], xlsheet.Cells[row + j-1, m]).set_HorizontalAlignment(XlHAlign.xlHAlignCenter);
                    xlsheet.get_Range(xlsheet.Cells[row, m], xlsheet.Cells[row + j-1, m]).set_VerticalAlignment(XlVAlign.xlVAlignCenter);
                }
              

                row++;
                i++;
            }

            #endregion

            生成文件#region  生成文件
            try
               ...{
                   string sFileUrl = Convert.ToString(this.SessionInfo.GetIniKeyValue("UploadDir", "UpLoadDir"));
                   string fileUrl = Server.MapPath(sFileUrl) + "\";
                   xlsheet.Export(fileUrl + "_TestOWC.html", SheetExportActionEnum.ssExportActionNone, SheetExportFormat.ssExportHTML);
               }
               catch(Exception  ee)
               ...{

                   throw new Exception(ee.Message);
               }
            #endregion
这样其实有一个问题,要控制生成的报表在不同的文件夹下面,否则会不同的人调用相同的报表.由于在最后并没有采用这种方案,所以也没有时间考虑这些了

前台用Activex显示Excel

  <object classid="clsid:0002E559-0000-0000-C000-000000000046"    width="1000"   id="Spreadsheet1"   height="300">
    <param name="DataType" value="HTMLURL">
    <param name="HTMLURL" value="<%=Agent.ServerURL %>ebChainUpLoad/_TestOWC.html">
    <param name="AllowPropertyToolbox" value="-1">
    <param name="AutoFit" value="0">
    <param name="Calculation" value="-4105">
    <param name="Caption" value="采购执行情况一览表">
    <param name="DisplayColumnHeadings" value="-1">
    <param name="DisplayGridlines" value="-1">
    <param name="DisplayHorizontalScrollBar" value="-1">
    <param name="DisplayOfficeLogo" value="-1">
    <param name="DisplayPropertyToolbox" value="0">
    <param name="DisplayRowHeadings" value="-1">
    <param name="DisplayTitleBar" value="0">
    <param name="DisplayToolbar" value="-1">
    <param name="DisplayVerticalScrollBar" value="-1">
    <param name="DisplayWorkbookTabs" value="-1">
    <param name="EnableEvents" value="-1">
    <param name="MaxHeight" value="80%">
    <param name="MaxWidth" value="100%">
    <param name="MoveAfterReturn" value="-1">
    <param name="MoveAfterReturnDirection" value="-4121">
    <param name="RightToLeft" value="0">
    <param name="ScreenUpdating" value="-1">
    <param name="LockedDown" value="0">
    <param name="ConnectedToChart" value="0">
    <param name="DefaultQueryOnLoad" value="-1">
    <param name="EnableUndo" value="-1">
    <table width='100%' cellpadding='0' cellspacing='0' border='0' height='8'>
    <tr><td bgColor='#336699' height='25' width='10%'>&nbsp;</td>
    <td bgColor='#666666'width='85%'><font face='宋体' color='white' size='4'>
    <b>&nbsp; 缺少 Microsoft Office Web Components</b></font></td></tr><tr>
    <td bgColor='#cccccc' width='15'>&nbsp;</td><td bgColor='#cccccc' width='500px'><br>
     <font face='宋体' size='2'>此网页要求 Microsoft Office Web Components。<p align='center'>
      <a href='C:/IUware Online/Microsoft Office Professional Enterprise Edition 2003/files/owc11/setup.exe'>
      单击此处安装 Microsoft Office Web Components。</a>.</p></font><p><font face='宋体' size='2'>
      此网页同时要求 Microsoft Internet Explorer 5.01 或更高版本。</p>
      <p align='center'><a href='http://www.microsoft.com/windows/ie/default.htm'> 单击此处安装最新的 Internet Explorer</a>.
      </font><br>&nbsp;</td></tr></table></object>

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