Word document download stream

Backstage

 1 public void DownFiletemple(string filepath)
 2         {
 3             FileInfo fileInfo = new FileInfo(filepath);
 4             Response.Clear();
 5             Response.ClearContent();
 6             Response.ClearHeaders();
 7             logger.Trace("测试1：···" + fileInfo.FullName);
 8             Response.AddHeader("Content-Disposition", "attachment;filename=" + fileInfo.FullName);
 9             Response.AddHeader("Content-Length", fileInfo.Length.ToString());
10             logger.Trace("测试2：··Content-Length/·" + fileInfo.Length.ToString());
11             Response.AddHeader("Content-Transfer-Encoding", "binary");
12             Response.AddHeader("Connection", "Keep-Alive");
13 
14             Response.ContentType = "application/octet-stream";
15             Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
16             logger.Trace("测试3");
17             Response.WriteFile(fileInfo.FullName);
18             logger.Trace("成功");
19             Response.Flush();
20             Response.End();
21 
22            
23         }

Asynchronous request

1  function btnfiledwon () {
 2      
3          
4      var url = ' vshop_CheckOut.aspx? Type = ajax & action = FileDown ' ;
 5   
6     var xhr = new XMLHttpRequest ();
 7  
8     xhr.open ( ' POST ' , url, true );         / / You can also use the POST method, according to the interface 
9  
10     xhr.responseType = " blob " ;     // Return type blob
 11  
12     // Define the processing function of the request completion, you can also add a load box before the request / disable the download button logic 
13  
14    xhr.onload = function () {
 15         // Request complete 
16  
17         if ( this .status === 200 ) {
 18             // Return 200 
19  
20             var blob = this .response;
 21  
22             var reader = new FileReader ();
 23  
24             reader.readAsDataURL (blob);     // Convert to base64, you can directly put a emoticon href 
25  
26             reader.onload = function (e) {
 27  
28                 // Conversion is completed, create an a tag for download 
29  
30                var a = document.createElement ( ' a ' );
 31  
32                 a.download = ' Order contract.docx ' ;
 33  
34                 a.href = e.target.result;
 35  
36                 $ ( " body " ) .append (a) ;     // Fix the click 
37  
38                 a.click ();
 39  
40                 $ (a) .remove ();
 41  
42             }
 43  
44         }
 45  
46     };
 47 
48     // Send ajax request 
49  
50     xhr.send ()
 51      }