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asp.net c# 网页 导出excel 多表格 多个sheet
[mw_shl_code=csharp,true]/// <summary>
///可导出多个sheet表
/// </summary>
/// <param name="Author">作者</param>
/// <param name="Company">公司</param>
/// <param name="dt">多个DataTable</param>
/// <param name="fileName">文件名</param>
public static void PushExcelToClientEx(string Author, string Company, DataTable[] dt, string fileName)
{
if (!fileName.Contains(".xls"))
{
fileName += ".xls";
}
StringBuilder sbBody = new StringBuilder();
StringBuilder sbSheet = new StringBuilder();
sbBody.AppendFormat(
"MIME-Version: 1.0\r\n" +
"X-Document-Type: Workbook\r\n" +
"Content-Type: multipart/related; boundary=\"-=BOUNDARY_EXCEL\"\r\n\r\n" +
"---=BOUNDARY_EXCEL\r\n" +
"Content-Type: text/html; charset=\"gbk\"\r\n\r\n" +
"<html xmlns =\"urn:schemas-microsoft-comfficeffice\"\r\n" +
"xmlns:x=\"urn:schemas-microsoft-comffice:excel\">\r\n\r\n" +
"<head>\r\n" +
"<xml>\r\n" +
"<o ocumentProperties>\r\n" +
"<o:Author>{0}</o:Author>\r\n" +
"<o astAuthor>{0}</oastAuthor>\r\n" +
"<o:Created>{1}</o:Created>\r\n" +
"<oastSaved>{1}</oastSaved>\r\n" +
"<o:Company>{2}</o:Company>\r\n" +
"<o:Version>11.5606</o:Version>\r\n" +
"</oocumentProperties>\r\n" +
"</xml>\r\n" +
"<xml>\r\n" +
"<x:ExcelWorkbook>\r\n" +
"<x:ExcelWorksheets>\r\n"
, Author
, DateTime.Now.ToString()
, Company);
foreach (var d in dt)
{
string gid = Guid.NewGuid().ToString();
sbBody.AppendFormat("<x:ExcelWorksheet>\r\n" +
"<x:Name>{0}</x:Name>\r\n" +
"<x:WorksheetSource HRef=\"cid:{1}\"/>\r\n" +
"</x:ExcelWorksheet>\r\n"
, d.TableName.Replace(":", "").Replace("\\", "").Replace("/", "").Replace("?", "").Replace("*", "").Replace("[", "").Replace("]", "").Trim()
, gid);
sbSheet.AppendFormat(
"---=BOUNDARY_EXCEL\r\n" +
"Content-ID: {0}\r\n" +
"Content-Type: text/html; charset=\"gbk\"\r\n\r\n" +
"<html xmlns=\"urn:schemas-microsoft-comfficeffice\"\r\n" +
"xmlns:x=\"urn:schemas-microsoft-comffice:excel\">\r\n\r\n" +
"<head>\r\n" +
"<xml>\r\n" +
"<x:WorksheetOptions>\r\n" +
"<x rotectContents>False</xrotectContents>\r\n" +
"<xrotectObjects>False</xrotectObjects>\r\n" +
"<xrotectScenarios>False</xrotectScenarios>\r\n" +
"</x:WorksheetOptions>\r\n" +
"</xml>\r\n" +
"</head>\r\n" +
"<body>\r\n"
, gid);
sbSheet.Append("<table border='1'>");
sbSheet.Append("<tr style='background-color: #CCC;'>");
for (int i = 0; i < d.Columns.Count; i++)
{
sbSheet.AppendFormat("<td style='vnd.ms-excel.numberformat: @;font-weight:bold'>{0}</td>", d.Columns.ColumnName);
}
sbSheet.Append("</tr>");
for (int j = 0; j < d.Rows.Count; j++)
{
sbSheet.Append("<tr>");
for (int k = 0; k < d.Columns.Count; k++)
{
sbSheet.AppendFormat("<td style='vnd.ms-excel.numberformat: @;'>{0}</td>", Convert.ToString(d.Rows[j][k]));
}
sbSheet.Append("</tr>");
}
sbSheet.Append("</table>");
sbSheet.Append("</body>\r\n" +
"</html>\r\n\r\n");
}
StringBuilder sb = new StringBuilder(sbBody.ToString());
sb.Append("</x:ExcelWorksheets>\r\n" +
"</x:ExcelWorkbook>\r\n" +
"</xml>\r\n" +
"</head>\r\n" +
"</html>\r\n\r\n");
sb.Append(sbSheet.ToString());
sb.Append("---=BOUNDARY_EXCEL--");
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("gbk");
HttpContext.Current.Response.Write(sb.ToString());
HttpContext.Current.Response.End();
}[/mw_shl_code]
文章来自：https://www.cnblogs.com/diose/p/7213846.html
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发表于 2018-6-25 17:29:14