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将DataTable数据导出Excel

2010-11-26 10:09 411 查看 
StringBuilder strb = new StringBuilder();

strb.Append(" <html xmlns:o=/"urn:schemas-microsoft-com:office:office/"");

strb.Append("xmlns:x=/"urn:schemas-microsoft-com:office:excel/"");

strb.Append("xmlns=/"http://www.w3.org/TR/REC-html40/"");

strb.Append(" <head> <meta http-equiv='Content-Type' content='text/html; charset=gb2312'>");

strb.Append(" <mce:style><!--
");

strb.Append(".xl26");

strb.Append(" {mso-style-parent:style0;");

strb.Append(" font-family:/"Times New Roman/", serif;");

strb.Append(" mso-font-charset:0;");

strb.Append(" mso-number-format:/"@/";}");

strb.Append("
--></mce:style><style mce_bogus="1">");

strb.Append(".xl26");

strb.Append(" {mso-style-parent:style0;");

strb.Append(" font-family:/"Times New Roman/", serif;");

strb.Append(" mso-font-charset:0;");

strb.Append(" mso-number-format:/"@/";}");

strb.Append(" </style>");

strb.Append(" <xml>");

strb.Append(" <x:ExcelWorkbook>");

strb.Append("  <x:ExcelWorksheets>");

strb.Append("  <x:ExcelWorksheet>");

strb.Append("    <x:Name>Sheet1 </x:Name>");

strb.Append("    <x:WorksheetOptions>");

strb.Append("    <x:DefaultRowHeight>285 </x:DefaultRowHeight>");

strb.Append("    <x:Selected/>");

strb.Append("    <x:Panes>");

strb.Append("      <x:Pane>");

strb.Append("      <x:Number>3 </x:Number>");

strb.Append("      <x:ActiveCol>1 </x:ActiveCol>");

strb.Append("      </x:Pane>");

strb.Append("    </x:Panes>");

strb.Append("    <x:ProtectContents>False</x:ProtectContents>");

strb.Append("    <x:ProtectObjects>False</x:ProtectObjects>");

strb.Append("    <x:ProtectScenarios>False</x:ProtectScenarios>");

strb.Append("    </x:WorksheetOptions>");

strb.Append("  </x:ExcelWorksheet>");

strb.Append("  <x:WindowHeight>6750</x:WindowHeight>");

strb.Append("  <x:WindowWidth>10620</x:WindowWidth>");

strb.Append("  <x:WindowTopX>480</x:WindowTopX>");

strb.Append("  <x:WindowTopY>75</x:WindowTopY>");

strb.Append("  <x:ProtectStructure>False</x:ProtectStructure>");

strb.Append("  <x:ProtectWindows>False</x:ProtectWindows>");

strb.Append(" </x:ExcelWorkbook>");

strb.Append(" </xml>");

strb.Append("");

strb.Append(" </head> <body> <table align=/"center/" style="border-collapse:collapse;table-layout:fixed" mce_style="border-collapse:collapse;table-layout:fixed"> <tr>");

if (ds.Tables.Count > 0)
{

//写列标题

int columncount = ds.Tables[0].Columns.Count;

for (int columi = 0; columi < columncount; columi++)
{

strb.Append(" <td> <b>" + ds.Tables[0].Columns[columi] + " </b> </td>");

}

strb.Append(" </tr>");

//写数据

for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{

strb.Append(" <tr>");

for (int j = 0; j < ds.Tables[0].Columns.Count; j++)
{

strb.Append(" <td class='xl26'>" + ds.Tables[0].Rows[i][j].ToString() + " </td>");

}

strb.Append(" </tr>");

}

}

strb.Append(" </body> </html>");

newPage.Response.Clear();
newPage.Response.Buffer = true;
newPage.Response.Charset = "GB2312";
string strTemp = string.Format("attachment;filename={0}", newPage.Server.UrlEncode(fileName));
newPage.Response.AppendHeader("Content-Disposition", strTemp);
newPage.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文

newPage.Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。

newPage.EnableViewState = false;
newPage.Response.Write(strb);
newPage.Response.End();
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