ASP.NET用XML的方式导出到excel多sheet的实现方式

private void ToExcel(String FileName)
{
//要转换的XML文件

DataSet dsBook = new DataSet();
dsBook = new Select().Select_();
int rows = dsBook.Tables[0].Rows.Count + 1;
int cols = dsBook.Tables[0].Columns.Count;

//将要生成的Excel文件
string ExcelFileName = System.AppDomain.CurrentDomain.BaseDirectory + "\\ExcelFile\\"+FileName+".xls";
if (File.Exists(ExcelFileName))
{
File.Delete(ExcelFileName);
}
StreamWriter writer = new StreamWriter(ExcelFileName, false);

writer.WriteLine("<?xml version=\"1.0\"?>");
writer.WriteLine("<?mso-application progid=\"Excel.Sheet\"?>");
writer.WriteLine("<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\"");
writer.WriteLine(" xmlns:o=\"urn:schemas-microsoft-com:office:office\"");
writer.WriteLine(" xmlns:x=\"urn:schemas-microsoft-com:office:excel\"");
writer.WriteLine(" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"");
writer.WriteLine(" xmlns:html=\"http://www.w3.org/TR/REC-html40/\">");
writer.WriteLine(" <DocumentProperties xmlns=\"urn:schemas-microsoft-com:office:office\">");
writer.WriteLine(" <Author>Automated Report Generator Example</Author>");
writer.WriteLine(string.Format(" <Created>{0}T{1}Z</Created>", DateTime.Now.ToString("yyyy-mm-dd"), DateTime.Now.ToString("HH:MM:SS")));
writer.WriteLine(" <Company>minyou</Company>");
writer.WriteLine(" <Version>11.6408</Version>");
writer.WriteLine(" </DocumentProperties>");

writer.WriteLine(" <ExcelWorkbook xmlns=\"urn:schemas-microsoft-com:office:excel\">");
writer.WriteLine(" <WindowHeight>8955</WindowHeight>");
writer.WriteLine(" <WindowWidth>11355</WindowWidth>");
writer.WriteLine(" <WindowTopX>480</WindowTopX>");
writer.WriteLine(" <WindowTopY>15</WindowTopY>");
writer.WriteLine(" <ProtectStructure>False</ProtectStructure>");
writer.WriteLine(" <ProtectWindows>False</ProtectWindows>");
writer.WriteLine(" </ExcelWorkbook>");

writer.WriteLine(" <Styles>");
writer.WriteLine(" <Style ss:ID=\"Default\" ss:Name=\"Normal\">");
writer.WriteLine("   <Alignment ss:Vertical=\"Bottom\"/>");
writer.WriteLine("   <Borders/>");
writer.WriteLine("   <Font/>");
writer.WriteLine("   <Interior/>");
writer.WriteLine("   <Protection/>");
writer.WriteLine(" </Style>");
writer.WriteLine(" <Style ss:ID=\"s21\">");
writer.WriteLine("   <Alignment ss:Vertical=\"Bottom\" ss:WrapText=\"1\"/>");
writer.WriteLine(" </Style>");
writer.WriteLine(" </Styles>");
//第一个表
writer.WriteLine(" <Worksheet ss:Name=\"有油机\">");
writer.WriteLine(string.Format(" <Table ss:ExpandedColumnCount=\"{0}\" ss:ExpandedRowCount=\"{1}\" x:FullColumns=\"1\"", cols.ToString(), rows.ToString()));
writer.WriteLine("   x:FullRows=\"1\">");

//生成标题
writer.WriteLine("<Row>");
foreach (DataColumn eachCloumn in dsBook.Tables[0].Columns)
{
writer.Write("<Cell ss:StyleID=\"s21\"><Data ss:Type=\"String\">");
writer.Write(eachCloumn.ColumnName.ToString());
writer.WriteLine("</Data></Cell>");
}
writer.WriteLine("</Row>");

//生成数据记录
foreach (DataRow eachRow in dsBook.Tables[0].Rows)
{
writer.WriteLine("<Row>");
for (int currentRow = 0; currentRow != cols; currentRow++)
{
writer.Write("<Cell ss:StyleID=\"s21\"><Data ss:Type=\"String\">");
writer.Write(eachRow[currentRow].ToString());
writer.WriteLine("</Data></Cell>");
}
writer.WriteLine("</Row>");
}
writer.WriteLine(" </Table>");

writer.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
writer.WriteLine("   <Selected/>");
writer.WriteLine("   <Panes>");
writer.WriteLine("    <Pane>");
writer.WriteLine("     <Number>3</Number>");
writer.WriteLine("     <ActiveRow>1</ActiveRow>");
writer.WriteLine("    </Pane>");
writer.WriteLine("   </Panes>");
writer.WriteLine("   <ProtectObjects>False</ProtectObjects>");
writer.WriteLine("   <ProtectScenarios>False</ProtectScenarios>");
writer.WriteLine(" </WorksheetOptions>");
writer.WriteLine(" </Worksheet>");

//第二个表
writer.WriteLine(" <Worksheet ss:Name=\"Sheet2\">");
writer.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
writer.WriteLine("   <ProtectObjects>False</ProtectObjects>");
writer.WriteLine("   <ProtectScenarios>False</ProtectScenarios>");
writer.WriteLine(" </WorksheetOptions>");
writer.WriteLine(" </Worksheet>");

//第三个表
writer.WriteLine(" <Worksheet ss:Name=\"Sheet3\">");
writer.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
writer.WriteLine("   <ProtectObjects>False</ProtectObjects>");
writer.WriteLine("   <ProtectScenarios>False</ProtectScenarios>");
writer.WriteLine(" </WorksheetOptions>");
writer.WriteLine(" </Worksheet>");
writer.WriteLine("</Workbook>");
writer.Close();
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(ExcelFileName));
Response.ContentType = "application/ms-excel";// 指定返回的是一个不能被客户端读取的流，必须被下载
Response.WriteFile(ExcelFileName); // 把文件流发送到客户端
Response.End();
}