An in-depth analysis of AjaxFileUpload to implement the Ajax file upload library for a single file

jQuery.AjaxFileUpload.js is a jQuery plug-in for uploadingfiles through ajax. This article introduces AjaxFileUpload to implement the Ajaxfile uploadlibrary for a single file. Friends who are interested in this should learn together

jQuery.AjaxFileUpload.js is a jQuery plug-in for passing ajax upload files.

Syntax:

$.ajaxFileUpload([options])

options Parameter description:

1. url Upload handler address.

2, fileElementId The ID of the file field that needs to be uploaded, that is, the ID of.

3, secureuri　　　　 Whether to enableSecuresubmission, the default is false.

4, dataType　　　　Data typereturned by the server. Can be xml, script, json, html. If you don't fill it in, jQuery will automatically determine it.

5, success is a processing function that is automatically executed after successful submission. The parameter data is the data returned by the server.

6，error　　　 Handling function that is automatically executed if submission fails.

7, data Custom parameters. This thing is more useful. When there is data related to the uploaded image, this thing will be used.

8, type When you want to submit custom parameters, this parameter must be set to post

Function features:

It doesn't depend on specific HTML, just give it a " < INPUTTYPE= "file" >

It doesn't require your server to respond in any specific way

That's OK Operate large batches of files

Sample code:

-- Use as little as -- $('#one-specific-file').ajaxfileupload({ 'action': '/upload.php' }); -- or as much as -- $('input[type="file"]').ajaxfileupload({ 'action': '/upload.php', 'params': { 'extra': 'info' }, 'onComplete': function(response) { console.log('custom handler for file:'); alert(JSON.stringify(response)); }, 'onStart': function() { if(weWantedTo) return false; // cancels upload }, 'onCancel': function() { console.log('no file selected'); } });

About AjaxFileUpload to implement the Ajax file upload library for a single file. The introduction is here, I hope it will be helpful to everyone!

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