I. Brief HistoryIe5.5 implements xhr at the earliest. You need to create an xhr instance through activexobject until IE7 defines the XMLHTTPRequest object. After ie5.5 implements xhr, other browsers immediately implement xhr and directly name it
Summary I do HTML5 file upload plugin encountered technical problems
First put the source code: Fileupload-html5.js (PS: The company uses the SEAJS framework)
List of issues
1. JQUERY. Ajax has no onprogress events that monitor upload progress.
2
This evening, I spent a few hours preparing an album, similar to uploading files in the QQ space. However, I used ext + HTML5 and other new technologies to upload files with servlet. There are several features:
Drag/Drop File Upload
Get
Old registered a blog Park account, yesterday only found that even the blog did not open, GitHub is the same, deep feeling ashamed, hurriedly dive a water pressure yajing ' (*∩_∩*)Anyway Probably many people will use the file upload function, upload
JQuery listens to the file upload to implement the progress bar effect, jquery progress bar
Principle:
Bind the onprogress Method to the upload attribute of the XMLHttpRequest object to listen to the upload process.
Var xhr = new XMLHttpRequest ();
Recently in a collection of rich media features in a project. Need to upload video. Here I would like to make an asynchronous upload, and have a progress bar, the response has status code, video connection, thumbnails.
Service-side response
This article mainly introduces how JavaScriptFileAPI implements file upload preview. FileAPI greatly facilitates file upload and other operations on the Web end. This article will introduce the overview of FileAPI and use two instances to
From: http://blog.csdn.net/q1056843325/article/details/53759963
This article is my translation of the foreign language, not my originalOnline see a lot of blogs have reproduced this articleBut it's all in English.So I decided to translate
JavaScript File API for File upload preview and api File Upload
I. OverviewIn the past, accessing local files is a headache for browser-based applications. Despite the continuous development of Web 2.0 application technology, JavaScript is playing
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