Aspose.Cells 导出 Excel 

 1 public HttpResponseMessage ExportRecord()
 2         {
 3             try
 4             {
 5                 HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK);
 6                 Workbook wb = new Workbook();
 7                 Worksheet sheet = wb.Worksheets[0];
 8                 sheet.Name = "sheetname";
 9 
10                 List<DTO> rowList;
11 
12                 if (rowList.Count <= 0)
13                 {
14                     System.Web.HttpContext.Current.Response.Write("<script>alert('没有检测到需要导出数据!');</script>");
15                     return new HttpResponseMessage();
16                 }
17                 List<string> header = new List<string>();
18                 header = new List<string> { "列名1", "列名2", "列名3" };
19                 int rowIndex = 0;
20                 for (int i = 0; i < header.Count; i++)
21                 {
22                     sheet.Cells[rowIndex, i].PutValue(header[i]);
23                 }
24 
25                 for (int i = 0; i < rowList.Count; i++)
26                 {
27                     sheet.Cells[i + 1, 0].PutValue(rowList[i].列名1);
28                     sheet.Cells[i + 1, 1].PutValue(rowList[i].列名2);
29                     sheet.Cells[i + 1, 2].PutValue(rowList[i].列名3.Value.ToString("yyyy-MM-dd hh:mm:ss:fff"));
30                 }
31 
32                 #region 输出到Excel
33                 using (MemoryStream ms = new MemoryStream())
34                 {
35                     wb.Save(ms, FileFormatType.Excel2003);
36                     //两种方法
37                     //方法1
38                     //System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}.xls", DateTime.Now.ToString("yyyyMMddHHmmssfff")));
39                     //System.Web.HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
40                     //System.Web.HttpContext.Current.Response.BinaryWrite(ms.ToArray());
41                     //wb = null;
42                     //System.Web.HttpContext.Current.Response.End();
43 
44                     //方法2
45                     wb = null;
46                     response.Content = new ByteArrayContent(ms.ToArray());
47                     response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
48                     response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") { FileName = DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".xls" };
49                 }
50                 #endregion
51 
52                 return response;
53             }
54             catch (Exception e)
55             {
56                 System.Web.HttpContext.Current.Response.Write("<script>alert('导出异常:" + e.Message + "!');</script>");
57                 return new HttpResponseMessage();
58             }
59         }

 

posted @ 2019-04-19 15:43  jasonlai2016  阅读(415)  评论(0)    收藏  举报