导出数据到Excel通用的方法类，请应对需求自行修改。
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using System.Data;
using System.IO;
namespace IM.Common.Tools
{
public class Export
{
public string Encoding = "UTF-8";
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
public void EcportExcel(DataTable dt, string fileName)
{
if (dt != null)
{
StringWriter sw = new StringWriter();
CreateStringWriter(dt, ref sw);
sw.Close();
response.Clear();
response.Buffer = true;
response.Charset = Encoding;
//this.EnableViewState = false;
response.AddHeader("Content-Disposition", "attachment; filename=" + fileName + ".xls");
response.ContentType = "application/ms-excel";
//response.ContentEncoding = System.Text.Encoding.GetEncoding(Encoding)
response.ContentEncoding = System.Text.Encoding.UTF8;
response.Write(sw);
response.End();
}
}
private void CreateStringWriter(DataTable dt, ref StringWriter sw)
{
string sheetName = "sheetName";
sw.WriteLine("<html xmlns:x=\"urn:schemas-microsoft-com:office:excel\">");
sw.WriteLine("<head>");
sw.WriteLine("<!--[if gte mso 9]>");
sw.WriteLine("<xml>");
sw.WriteLine(" <x:ExcelWorkbook>");
sw.WriteLine(" <x:ExcelWorksheets>");
sw.WriteLine(" <x:ExcelWorksheet>");
sw.WriteLine(" <x:Name>" + sheetName + "</x:Name>");
sw.WriteLine(" <x:WorksheetOptions>");
sw.WriteLine(" <x:Print>");
sw.WriteLine(" <x:ValidPrinterInfo />");
sw.WriteLine(" </x:Print>");
sw.WriteLine(" </x:WorksheetOptions>");
sw.WriteLine(" </x:ExcelWorksheet>");
sw.WriteLine(" </x:ExcelWorksheets>");
sw.WriteLine("</x:ExcelWorkbook>");
sw.WriteLine("</xml>");
sw.WriteLine("<![endif]-->");
sw.WriteLine("</head>");
sw.WriteLine("<body>");
sw.WriteLine("<table>");
sw.WriteLine(" <tr>");
string[] columnArr = new string[dt.Columns.Count];
int i = 0;
foreach (DataColumn columns in dt.Columns)
{
sw.WriteLine(" <td>" + columns.ColumnName + "</td>");
columnArr[i] = columns.ColumnName;
i++;
}
sw.WriteLine(" </tr>");
foreach (DataRow dr in dt.Rows)
{
sw.WriteLine(" <tr>");
foreach (string columnName in columnArr)
{
sw.WriteLine(" <td style=‘vnd.ms-excel.numberformat:@‘>" + dr[columnName] + "</td>");
}
sw.WriteLine(" </tr>");
}
sw.WriteLine("</table>");
sw.WriteLine("</body>");
sw.WriteLine("</html>");
}
}
}
时间： 2024-10-25 02:59:09