Uploadify jquery+flash+UploadHandler.ashx-白红宇

Uploadify jquery+flash+UploadHandler.ashx

阅读量：5141 次

发布时间：2019-06-13

本文共 2853 字，大约阅读时间需要 9 分钟。

官方网：只有PHP版本

对于我们.net的来说是一个遗憾！现在奉献一个c#版本，希望对大家有用。

看代码其实很简单，在做这个之前遇到许多问题，特别是在IHttpHandler 里面，只有经历过了才会体会到，还是给解决了！

直接运行html出现下面错误要在vs运行下才没有下面错误

                               
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> 
<
html
xmlns
=
""
> 
<
head
> 
<
meta
http-equiv
=
"Content-Type"
content
=
"text/html; charset=utf-8"
/> 
<
title
>Uploadify</
title
> 
<
link
href
=
"css/default.css"
rel
=
"stylesheet"
type
=
"text/css"
/> 
<
link
href
=
"css/uploadify.css"
rel
=
"stylesheet"
type
=
"text/css"
/> 
<
script
type
=
"text/javascript"
src
=
"scripts/jquery-1.3.2.min.js"
></
script
> 
<
script
type
=
"text/javascript"
src
=
"scripts/swfobject.js"
></
script
> 
<
script
type
=
"text/javascript"
src
=
"scripts/jquery.uploadify.v2.1.0.min.js"
></
script
> 
<
script
type
=
"text/javascript"
> 
$(document).ready(function() { 
 
$("#uploadify").uploadify({ 
  
'uploader'       : 'scripts/uploadify.swf', 
  
'script'         : 'scripts/UploadHandler.ashx', 
  
'cancelImg'      : 'scripts/cancel.png', 
  
'folder'         : 'uploads', 
  
'queueID'        : 'fileQueue', 
  
'sizeLimit'      : '5242880',//5M 
  
'auto'           : false, 
  
'multi'          : true , 
  
'onError'        : function (a, b, c, d)  
  
{ 
  
if (d.status == 404) 
  
alert('Could not find upload script. Use a path relative to: '+'<?= getcwd() ?>'); 
  
else if (d.type === "HTTP") 
  
alert('error '+d.type+": "+d.status); 
  
else if (d.type ==="File Size") 
  
alert(c.name+' '+d.type+' Limit: '+Math.round(d.sizeLimit/1024)+'KB'); 
  
else 
  
alert('error '+d.type+": "+d.info); 
  
} 
 
}); 
}); 
</
script
> 
</
head
> 
 
<
body
> 
<
div
id
=
"fileQueue"
></
div
> 
<
input
type
=
"file"
name
=
"uploadify"
id
=
"uploadify"
/> 
<
p
> 
<
a
href
=
"javascript:$('#uploadify').uploadifyUpload()"
>Upload</
a
>| 
 
<
a
href
=
"javascript:$('#uploadify').uploadifyClearQueue()"
>Cancel All Uploads</
a
> 
</
p
> 
</
body
> 
</
html
>
          
        

                               
<%@ WebHandler Language=
"C#"
Class=
"UploadHandler"
%> 
using
System; 
using
System.IO;  
using
System.Net; 
using
System.Web;  
 
public
class
 UploadHandler : IHttpHandler 
{ 
    
public
void
 ProcessRequest(HttpContext  context)  
    
{ 
        
context.Response.ContentType = 
"text/plain"
;  
        
context.Response.Charset = 
"utf-8"
;  
        
HttpPostedFile oFile = context.Request.Files[
"Filedata"
];  
        
string
strUploadPath = HttpContext.Current.Server.MapPath(@context.Request[
"folder"
])+
"\\"
; 
        
if
(oFile != 
null
) 
        
{ 
            
if
(!Directory.Exists(strUploadPath)) 
            
{ 
                
Directory.CreateDirectory(strUploadPath); 
            
}  
            
oFile.SaveAs(strUploadPath + oFile.FileName); 
            
context.Response.Write(
"1"
); 
             
        
}  
        
else
        
{  
            
context.Response.Write(
"0"
);  
        
} 
    
} 
    
public
bool
 IsReusable 
    
{  
        
get
{ 
return
false
; } 
    
}  
}
          
        