1. Causes
When you do the front page, you need to call the WEBAPI POST request, send some fields and files (equivalent to sending the form asynchronously via Ajax, get the return result), and then get the return value to determine if it's successful.
2. Try
First tried "JQuery Form Plugin", this thing is a huge pit, to achieve his and jquery1.9.2 compatibility is not too good, not easy to solve the problem of $.browser, found that with his
Cross-domain say popular point is to use Ajax in a network to get the specific content of B site, this is the cross-domain. There are two forms of cross-domain, one is a cross-domain of different ports of the same IP, and one is a cross-domain of different IPs.
Now talk about the project used to solve the cross-domain file upload method, the middle encountered a
can use the Fileitem class GetName () method to obtain the file name of the uploaded file, through the GetSize () method to obtain the size of the uploaded file.
3. Concrete implementation
(1) Create the Request.js file, and write the Ajax request method in the
File Upload components (flash, jquery, ASP, PHP, JS, Ajax)
Fancyupload is a Multifile Upload Component that uses flash and Ajax (mootools) technology to upload progress bars, similar to swfupload.FancyuploadMootoolsJquplo
PHP + jQuery Ajax File upload instance. Because see some friends ask how to implement the PHP environment of the Web page upload function, oneself these days just used the jquery_upload_multiple upload plug-ins, so here to use for everyone to say.
To achieve this plug-in ba
PHP + jQuery Ajax File upload instance. Because see some friends ask how to implement the PHP environment in the Web page upload function, I have just used the Jquery_upload_multiple upload plug-in these days, so here the usage to everyone to say.
To implement the
The previous section discussed file downloads, and this section continues to discuss file uploads.As we all know, the simplest way to upload files on the front end is to use the file control The first is the upload file image link
PHP + jQuery Ajax File upload instance. Because see some friends ask how to implement the PHP environment of the Web page upload function, oneself these days just used the jquery_upload_multiple upload plug-ins, so here to use for everyone to say.
To achieve this plug-in ba
To use ajax.net well, you must learn to use the Ajax Control Toolkit provided by ajax.net flexibly. This control package provides a lot of controls that are very effective, with which you can easily create an Ajax website. From this chapter, we will learn how to use all the controls in the Ajax cotrol
file upload, you can obtain the file name of the uploaded file through the GetName () method of the Fileitem class, and get the size of the uploaded file through the GetSize () method.3. Concrete implementation(1) Create the Request.js
file upload, you can obtain the file name of the uploaded file through the GetName () method of the Fileitem class, and get the size of the uploaded file through the GetSize () method.3. Concrete implementation(1) Create the Request.js
JQuery.AjaxFileUpload.js is a jquery plug-in for uploading files via Ajax.
Grammar:
$.ajaxfileupload ([options])
Options parameter Description:
1, URL upload processing program address.
2,fileelementid the ID of the file domain that needs to be uploaded, that is,
3,secureuri whether security commits are enabled and false by default.
The type of
Write in front: This article says this program has the browser compatibility problem; Newer versions of all major browsers already support this object, such as Chrome 7+, Firefox 4+, IE 10+, Opera 12+, Safari 5+, and more sensitive sites for compatibility.
In the work encountered a problem: in a page, there are 4 pieces of content, each piece contains a picture upload function, hoping to achieve a key to the four pieces of content are uploaded up.
I
Ajax enables asynchronous file or Image Upload,
Hello everyone, I want to share with you the code of the webpage file upload function. I hope you can refer to it or give me some suggestions.
As we all know, all major websites now have fi
In MVC, the file upload function is implemented based on Ajax and HTML5,
Introduction
In actual programming, you often encounter the function of uploading files and displaying the upload progress. For this purpose, this article describes how to upload files with progress dis
"001" Uploading files based on AjaxPrinciple: If we use AJAX operations when it comes to file uploads, use Formdata1. The first thing to understand: the type of upload file using input box is file:2. Backstage I need to get the file
, as follows:
1. Added upload/download binary data
2. Increased the progess (progress bar) event in the upload process, which contains a number of parts of the information:
Total: An integer value that specifies how many bytes of data to transmit.Loaded: An integer value that specifies the bytes to upload.The Lengthcomputable:bool value is used to detect whether the uploaded
General forms are submitted through Ajax, so it's more cumbersome to run into a form with a file upload. The basic principle is to add a hidden iframe on the page, and then submit the form data in addition to the file via Ajax, and in the callback function after the form dat
The first thing I want to talk about is that AJAX cannot upload files. I can think about how AJAX can transfer files through passing strings to communicate with the background? In fact, JS cannot operate files for security reasons. Therefore, it is impossible to use ajax to upload
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