html5 drag and drop file upload example

Today, there is a need, the page has a "Click Upload" button, click can perform upload events, drag and drop the image from the desktop to any place, can perform the upload, and does not affect the Click button event. Here is a simple example:A Simple

){// ObtainthereadfiledataVarfilestringincluevt.tar get. result;// HandleUTF-16filedumpIf (utils. regexp. isChinese (fileString )){// ChineseCharacters + Namevalidation}Else {// Runothercharsettest}// Xhr. send (fileString)}FunctionerrorHandler (evt ){If(evt.tar get. error. name = "NotReadableErr "){// Thefilecouldnotberead}} The window. open method is used for normal file download. For example:

the file type that is allowed to be uploaded, in the form of a comma-delimited MIME type or extension. For example: Image/*,application/pdf,.psd,.obj Uploadmultiple: Indicates whether to allow Dropzone to submit multiple files at once. The default is False. If set to True, the equivalent HTML form adds the multiple property. Headers: If set, it will be sent to the server as additional header information.

Comments: Using HTML5 to drag files to a browser and upload and download files, html5 is becoming more and more powerful. I will share with you the specific implementation code below. If you are interested, please refer First, the code is written on the jsp page, and the background is the tomcat server. Therefore, the

Local upload, preview in advance (picture. VideoThe div tag preview display in 1.html. The button tag triggers the upload event.2. Disable browser Open file behaviorDocument.addeventlistener ("Drop", function (e) { //Drag off E.preventdefault (); }) Document.addeventlist

In the article [file discussion-First knowledge of file control] (http://www.seejs.com/archives/668 "File discussion-the first knowledge of file control"), we have a preliminary understanding of the file control, And to make a detailed description of creating a visual and ex

Local upload, preview in advance (image, video)The div tag Preview in 1.html shows that the button tag triggers the upload event.2. Disable browser Open file behaviorDocument.addeventlistener ("Drop", function (e) { //Drag off E.preventdefault (); }) Document.addeventlis

Interface style I was referring to a foreign Photo album website, the change is not big, just to convert the birds into Chinese, as well as the upload style has also been changed, the reason for this is that I can easily do the extension, it supports 3 ways to add pictures, a drag-and-drop upload, a general choice of

HTML5 drag-and-drop effect implementation code and html5 drag-and-drop code Drag and Drop Drag

here. var box = This.box; var tmpbody = this.tmpbody; var cover = This.cover; if (Tmpbody tmpbody[0]) { $ (' body '). Append (Tmpbody); } if (box box[0]) { Box.remove (); } if (cover cover[0]) { Cover.hide (); } }; Call Method: Copy Code code as follows: var dia = new Mydialog ({ Title:title, Bodyid:id, Id:id + ' _box ' }); Dia.show (); You may also need a certain function callback, you can encapsulate it yourself.

HTML5 drag-and-drop implementation code, html5 drag-and-drop implementation codeIn HTML5, drag and dro