using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
public string sConn = "Data Source=LC_QZF;Initial Catalog=SchoolDB;User ID=sa;Password=00000000";
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string path = DataSetToExcel_XML("select top 10 * from SkyDictionary", sConn);
htm = htm&(path);
}
}
/// <summary>
/// 使用XML方式导出Excel
/// </summary>
/// <param name="SQL"></param>
/// <param name="AdoConn">数据库连接字符</param>
/// <returns>EXCEL文件所在的地址</returns>
private String DataSetToExcel_XML(String SQL, String AdoConn)
{
string ExcelFileName = Server.MapPath("a"+DateTime.Now.ToString("yyyyMMdd-HHmmss")+".xls");
if (File.Exists(ExcelFileName))
{
File.Delete(ExcelFileName);
}
StreamWriter writer = new StreamWriter(ExcelFileName, false);
DataSet dsBook = new DataSet();
ClsDataBase r = new ClsDataBase();
dsBook = r.GetDataSet(SQL, AdoConn);
int RowsCount = dsBook.Tables[0].Rows.Count;//总行数(不包括头)
int ColumnsCount = dsBook.Tables[0].Columns.Count;//总列数
int TableCount = RowsCount / 65535;//要生成的总表数
int RowRemainder = RowsCount % 65535;
if (RowRemainder != 0)
{
TableCount++;
}
int NowRow = 0;
#region 头
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>揭阳华讯网络服务有限公司</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>");
#endregion
#region 内容
for (int i = 0; i < TableCount; i++)
{
writer.WriteLine(" <Worksheet ss:Name=\"Sheet" + i.ToString() + "\">");
if (i < TableCount - 1 || RowRemainder == 0)
{
writer.WriteLine(string.Format(" <Table ss:ExpandedColumnCount=\"{0}\" ss:ExpandedRowCount=\"{1}\" x:FullColumns=\"1\"", ColumnsCount.ToString(), "65536"));
}
else
{
int rowc = RowsCount - i * 65535 + 1;
writer.WriteLine(string.Format(" <Table ss:ExpandedColumnCount=\"{0}\" ss:ExpandedRowCount=\"{1}\" x:FullColumns=\"1\"", ColumnsCount.ToString(), rowc.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>");
for (int j = 0; j < 65536; j++)
{
if (NowRow == RowsCount - 1)
{
break;
}
DataRow eachRow = dsBook.Tables[0].Rows[NowRow];
writer.WriteLine("<Row>");
for (int currentRow = 0; currentRow != ColumnsCount; currentRow++)
{
writer.Write("<Cell ss:StyleID=\"s21\"><Data ss:Type=\"String\">");
writer.Write(eachRow[currentRow].ToString());
writer.WriteLine("</Data></Cell>");
}
writer.WriteLine("</Row>");
NowRow++;
}
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>");
}
writer.WriteLine("</Workbook>");
#endregion
writer.Close();
return ExcelFileName;
}
}
}
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