数据导出到Excel中

自己修改后的一个数据导出到Excel的方法,粘出来与大家共享.

只需要将DataTable和要导出的文件的名称输入此方法, 即可.

  1 /// <summary>

 2           ///  将datatable中的数据导出到Excel中
 3           ///   </summary>
 4           ///   <param name="dt"> 数据源DataTable </param>
 5           ///   <param name="FileName"> 要导出的文件名 </param>        
 6           public  static  void CreateExcel(DataTable dt,  string FileName)
 7         {
 8              //  FileName = System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8);
 9              System.Web.HttpContext.Current.Response.Clear();
10             System.Web.HttpContext.Current.Response.Charset =  " UTF-8 ";
11             System.Web.HttpContext.Current.Response.Buffer =  true;
12             System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding( " GB2312 ");
13             System.Web.HttpContext.Current.Response.AppendHeader( " Content-Disposition ",  " attachment;filename=\" " + System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) +  " .xls\" ");
14             System.Web.HttpContext.Current.Response.ContentType =  " application/ms-excel ";
15              string colHeaders =  string.Empty;
16              string ls_item =  string.Empty;
17             DataRow[] myRow = dt.Select();
18              int i =  0;
19              int cl = dt.Columns.Count;
20              for ( int k =  0; k < dt.Columns.Count; k++)
21             {
22                  if (k == (dt.Columns.Count -  1))
23                 {
24                     colHeaders += dt.Columns[k].ToString() +  " \n ";
25                 }
26                  else
27                 {
28                     colHeaders += dt.Columns[k].ToString() +  " \t ";
29                 }
30             }
31             System.Web.HttpContext.Current.Response.Output.Write(colHeaders);
32              foreach (DataRow row  in myRow)
33             {
34                  for (i =  0; i < cl; i++)
35                 {
36                      if (i == (cl -  1))
37                     {
38                         ls_item += row[i].ToString().Replace( " \r\n ",  "").Replace( " \r ",  "").Replace( " \n ",  "").Replace( " \t ",  "") +  " \n ";
39                     }
40                      else
41                     {
42                         ls_item += row[i].ToString().Replace( " \r\n ",  "").Replace( " \r ",  "").Replace( " \n ",  "").Replace( " \t ",  "") +  " \t ";
43                     }
44                 }
45                 System.Web.HttpContext.Current.Response.Output.Write(ls_item);
46                 ls_item =  string.Empty;
47             }
48             System.Web.HttpContext.Current.Response.Output.Flush();
49             System.Web.HttpContext.Current.Response.End();
50 
51         }