asyncfileupload | 易学教程

File Uploads Not Working When Deployed To Server

阅读更多关于 File Uploads Not Working When Deployed To Server

问题 I recently embarked on the endeavor of creating my own asynchronous file upload components for ASP.NET. I took lessons learned form Darren Johnstone's FileUpload project and created an HttpModule for extracting the files from the submitted data. I got everything working as it should in testing with VS 2008 using the Development Server. I even went so far during my testing to ensure that the request was being intercepted by the module before the files began uploading. After I was satisfied

Content type for file part of the multipart/form-data request is set wrong by the client

阅读更多关于 Content type for file part of the multipart/form-data request is set wrong by the client

问题 I'm trying to send multipart/form-data with following JavaScript and jQuery: var formData = new FormData(); formData.append("projectName", $("#projectNameInput").val()); var file = $("#fileInput")[0].files[0]; formData.append("content", file); var xhr = new XMLHttpRequest(); xhr.open('POST', '/project', true); xhr.onload = function(ev) { // Handling logic omitted }; xhr.send(formData); However, some client browsers (Firefox and Chrome) receive 400 Bad Request from the server. While examining

How can I use jQuery to dynamically load html into an iFrame?

阅读更多关于 How can I use jQuery to dynamically load html into an iFrame?

I'm working on an iframe file uploader (so my file uploader appears to be ajax). I'm trying to take the form on my page and insert it into an iframe . Then I will submit the form inside the iframe . However, it isn't working. Here is my code: jQuery: function submitFile() { $(document).ready(function() { if ($('[name=files]').val() != "") { var fileForm = $('#attachFile').html(); $('#emptyDiv').html('<iframe name="hiddenIframe" id="hiddenIFrame">'+fileForm+'</iframe>'); } }); } HTML: <body> <div id="emptyDiv"></div> <div id="attachFile"> <form action="my_file.php" method="post" enctype=

Content type for file part of the multipart/form-data request is set wrong by the client

阅读更多关于 Content type for file part of the multipart/form-data request is set wrong by the client

I'm trying to send multipart/form-data with following JavaScript and jQuery: var formData = new FormData(); formData.append("projectName", $("#projectNameInput").val()); var file = $("#fileInput")[0].files[0]; formData.append("content", file); var xhr = new XMLHttpRequest(); xhr.open('POST', '/project', true); xhr.onload = function(ev) { // Handling logic omitted }; xhr.send(formData); However, some client browsers (Firefox and Chrome) receive 400 Bad Request from the server. While examining the headers and request payload I discovered that some browsers set explicit content type for the file

reassemble binary after flow.js upload on node/express server

阅读更多关于 reassemble binary after flow.js upload on node/express server

问题 I can't figure out how to use the flow.js library with a node backend, and basing my code off the sample on the flow.js github. I'm getting the blob files up, but I'm not building the binary afterward the upload completes. The final get isn't getting triggered or my route is wrong: app.get('/download/:identifier', function(req, res){ console.log('we writin') flow.write(req.params.identifier, res); }); anyone have any experience with this could get like a million stackoverflow pts because this

Remote File upload in grails

阅读更多关于 Remote File upload in grails

问题 I am creating a webapplication using grails which uses lot of ajax.I want to implement file upload using ajax.I dont know how to use ajax for file upload.My sample GSP code is :  <div id="updateArea"> </div> I tried with and .After uploading I want to update the 'updateArea' with the result.In result I am planning to show details of the uploaded file. 回答1: Uploading a file via Ajax is not really possible. You can still upload a file in the background using a

reassemble binary after flow.js upload on node/express server

阅读更多关于 reassemble binary after flow.js upload on node/express server

I can't figure out how to use the flow.js library with a node backend, and basing my code off the sample on the flow.js github. I'm getting the blob files up, but I'm not building the binary afterward the upload completes. The final get isn't getting triggered or my route is wrong: app.get('/download/:identifier', function(req, res){ console.log('we writin') flow.write(req.params.identifier, res); }); anyone have any experience with this could get like a million stackoverflow pts because this seems to be a common issue when using node.js and flow.js and here are two other unanswered questions:

Need help debugging XHR-based Ajax Image Upload with ASP.NET MVC2

阅读更多关于 Need help debugging XHR-based Ajax Image Upload with ASP.NET MVC2

I'm attempting to use the script found from http://valums.com/ajax-upload/ My controller is as follows using System; using System.IO; using System.Text.RegularExpressions; using System.Web; using System.Web.Hosting; using System.Web.Mvc; using MHNHub.Areas.ViewModels; using MHNHub.Models; using MHNHub.ViewModels; namespace MHNHub.Areas.Admin.Controllers { [Authorize(Roles = "Administrator")] public class ImageController : Controller { private MHNHubEntities _entities = new MHNHubEntities(); // // GET: /Image/ [AcceptVerbs(HttpVerbs.Get)] public ActionResult ImageUploader() { var viewModel =

disable request buffering in nginx

阅读更多关于 disable request buffering in nginx

It seems that nginx buffers requests before passing it to the updstream server,while it is OK for most cases for me it is very bad :) My case is like this: I have nginx as a frontend server to proxy 3 different servers: apache with a typical php app shaveet(a open source comet server) built by me with python and gevent a file upload server built again with gevent that proxies the uploads to rackspace cloudfiles while accepting the upload from the client. #3 is the problem, right now what I have is that nginx buffers all the request and then sends that to the file upload server which in turn

Remote File upload in grails

阅读更多关于 Remote File upload in grails

I am creating a webapplication using grails which uses lot of ajax.I want to implement file upload using ajax.I dont know how to use ajax for file upload.My sample GSP code is :  <div id="updateArea"> </div> I tried with and .After uploading I want to update the 'updateArea' with the result.In result I am planning to show details of the uploaded file. Uploading a file via Ajax is not really possible. You can still upload a file in the background using a hidden iframe and either evaluate the repsonse (which is then inside the iframe) or fire another ajax call