不引用office动态库导出excel

public class OutExcelReport
{
/// <summary>
/// 把 DataSet 的数据导成 Excel
/// </summary>
/// <param name="p_dsExport">要导出的 DataSet</param>
/// <param name="p_strFileName">下载时客户端默认的文件名</param>
/// <param name="p_blnHaveHeaderText">true　标示第一行是列名，默认值为 true</param>
/// <param name="rrModel">报表统计结果</param>
/// <param name="formType">报表物资类型</param>
public static void DataSetToExcel(DataSet p_dsExport, string p_strFileName, bool p_blnHaveHeaderText, ReportResultModel rrModel, string formType)
{
if (p_dsExport == null)
{
return;
}
string strContext = GenerateWorkSheet(p_dsExport, rrModel, formType);

DownloadExcelFile(strContext, p_strFileName);
}


/// <summary>
///
/// </summary>
/// <param name="p_strFileContext"></param>
/// <param name="p_strFileName"></param>
public static void DownloadExcelFile(string p_strFileContext, string p_strFileName)
{
// Appending Headers
if (CommonFunc.IsNullString(p_strFileName))
{
p_strFileName = "Excel.xls";
}

if (!p_strFileName.Trim().ToLower().EndsWith(".xls"))
{
p_strFileName += ".xls";
}

try
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.Buffer = true;
p_strFileName = CommonFunc.UrlEncode(p_strFileName);
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
HttpContext.Current.Response.AppendHeader("content-disposition", "attachment; filename=" + p_strFileName);
}
catch
{
}

//Writeout the Content
HttpContext.Current.Response.Write(p_strFileContext);
try
{
HttpContext.Current.Response.End();
}
catch
{
}
}

public static string GenerateWorkSheetBottom(string formType, ReportResultModel rrModel)
{
string[] strArraw = new string[8];
switch (formType.ToLower())
{
case "dormrepair": //宿舍维修申请
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "", ""};
break;
}
case "managerepair": //办公维修
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "", "" };
break;
}
case "winecollar": //酒水申请
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "酒水申请成本汇总", rrModel.AllCost };
break;
}
case "publicactivitysupply"://纪念品
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "纪念品申请成本汇总", rrModel.AllCost };
break;
}
case "adminmaterial": //行政物资
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "行政物资成本汇总", rrModel.AllCost };
break;
}
case "consumables": //办公用品
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "办公文具成本汇总", rrModel.AllCost };
break;
}
case "receptroom": //接待房
{
strArraw = new string[] { "统计项", rrModel.Total, "运行中申请单数", rrModel.Running, "已完成申请单数", rrModel.Finished, "接待房成本汇总", rrModel.AllCost };
break;
}
default:
break;
}

StringBuilder strExcelXml = new StringBuilder();
strExcelXml.Append("<Row></Row> <Row>");
for (int j = 1; j < 9; j++)
{
strExcelXml.Append("<Cell ss:Index="" + (j).ToString() + ""><Data ss:Type="String">");
strExcelXml.Append(CommonFunc.HtmllEncode(strArraw[j - 1]));
strExcelXml.Append("</Data></Cell> ");
}
strExcelXml.Append("</Row> ");
return strExcelXml.ToString();

}

public static string GenerateWorkSheet(DataSet p_dsExport, ReportResultModel rrModel, string formType)
{
StringBuilder strExcelXml = new StringBuilder();
strExcelXml.Append(ExcelHeader());
strExcelXml.Append(ExcelWorkSheetOptions());

foreach (DataTable dt in p_dsExport.Tables)
{
strExcelXml.Append("<Worksheet ss:Name="" + dt.TableName + "">");
strExcelXml.Append("<Table>");
#region 用车报表导出的表头有两行
//added by dengqian 2013-09-22
if (formType.Equals("manageinfocar") || formType.Equals("industrycar"))
{
strExcelXml.Append(GetHeaderText_tworow(dt));
}
else
{
strExcelXml.Append(GetHeaderText(dt));
}
#endregion
//old: strExcelXml.Append(GetHeaderText(dt));

int intColCount = dt.Columns.Count;
foreach (DataRow dr in dt.Rows)
{
strExcelXml.Append("<Row> ");
for (int j = 0; j < intColCount; j++)
{
strExcelXml.Append("<Cell ss:Index="" + (j + 1).ToString() + ""><Data ss:Type="String">");
strExcelXml.Append(CommonFunc.HtmllEncode(CommonFunc.ObjectToNullStr(dr[j])));
strExcelXml.Append("</Data></Cell> ");
}
strExcelXml.Append("</Row> ");
}
if (rrModel != null)
{
strExcelXml.Append(GenerateWorkSheetBottom(formType, rrModel));
}
strExcelXml.Append("</Table>");
strExcelXml.Append("</Worksheet>");
}
strExcelXml.Append("</Workbook> ");
return strExcelXml.ToString();
}


private static string GetHeaderText(DataTable p_dt)
{
StringBuilder sbRtn = new StringBuilder();
sbRtn.Append("<Row>");
foreach (DataColumn dc in p_dt.Columns)
{
sbRtn.Append("<Cell><Data ss:Type="String">");
sbRtn.Append(dc.ColumnName);
sbRtn.Append("</Data></Cell> ");
}
sbRtn.Append("</Row>");
return sbRtn.ToString();
}

#region 用车报表 两行表头的
//added dengqian 201309016
private static string GetHeaderText_tworow(DataTable p_dt)
{
StringBuilder sbRtn = new StringBuilder();
StringBuilder partRtn = new StringBuilder();
sbRtn.Append("<Row>");

partRtn.Append("<Row>");
int rownum = 0;
foreach (DataColumn dc in p_dt.Columns)
{
if (rownum == 0)
{
sbRtn.Append("<Cell rowSpan='2'><Data ss:Type="String">");
sbRtn.Append(dc.ColumnName);
sbRtn.Append("</Data></Cell> ");
partRtn.Append("<Cell colSpan='3'><Data ss:Type="String"></Data></Cell> ");
}
else if (rownum > 0 && rownum <4)
{
if (rownum == 1)
{
sbRtn.Append("<Cell colSpan='3'><Data ss:Type="String">短途用车（趟）</Data></Cell> ");
}
else
{
sbRtn.Append("<Cell colSpan='3'><Data ss:Type="String"></Data></Cell> ");
}
partRtn.Append("<Cell><Data ss:Type="String">");
partRtn.Append(dc.ColumnName);
partRtn.Append("</Data></Cell> ");
//rownum += 3;
}
else if (rownum >3 && rownum <11)
{
if (rownum == 4)
{
sbRtn.Append("<Cell colSpan='7'><Data ss:Type="String">长途用车（趟）</Data></Cell> ");
}
else
{
sbRtn.Append("<Cell colSpan='3'><Data ss:Type="String"></Data></Cell> ");
}
partRtn.Append("<Cell><Data ss:Type="String">");
partRtn.Append(dc.ColumnName);
partRtn.Append("</Data></Cell> ");
//rownum += 7;
}
else
{
sbRtn.Append("<Cell rowSpan='2'><Data ss:Type="String">");
sbRtn.Append(dc.ColumnName);
sbRtn.Append("</Data></Cell> ");
}
rownum++;
}
sbRtn.Append("</Row>");
partRtn.Append("</Row>");
sbRtn.Append(partRtn);
return sbRtn.ToString();
}

#endregion

/// <summary>
/// Creates Excel Header
/// </summary>
/// <returns>Excel Header Strings</returns>
private static string ExcelHeader()
{
// Excel header
StringBuilder sb = new StringBuilder();
sb.Append("<?xml version="1.0"?> ");
sb.Append("<?mso-application progid="Excel.Sheet"?> ");
sb.Append("<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" ");
sb.Append("xmlns:o="urn:schemas-microsoft-com:office:office" ");
sb.Append("xmlns:x="urn:schemas-microsoft-com:office:excel" ");
sb.Append("xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" ");
sb.Append("xmlns:html="http://www.w3.org/TR/REC-html40"> ");
sb.Append("<DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">");
sb.Append("<Author></Author>");
sb.Append("</DocumentProperties>");
sb.Append("<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel"> ");
sb.Append("<ProtectStructure>False</ProtectStructure> ");
sb.Append("<ProtectWindows>False</ProtectWindows> ");
sb.Append("</ExcelWorkbook> ");

return sb.ToString();
}

private static string ExcelWorkSheetOptions()
{
// This is Required Only Once , But this has to go after the First Worksheet's First Table
StringBuilder sb = new StringBuilder();
sb.Append(" <WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel"> <Selected/> </WorksheetOptions> ");
return sb.ToString();
}
}

导出方法示例

DataSet ds=....;
OutExcelReport.DataSetToExcel(ds, filename, false, null, "");

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原文地址：https://www.cnblogs.com/lanyue52011/p/3372485.html