sencha extjs

(WLR's blog application) (ExtJS Table Control) (ExtJS pop-up effects for different topics) ExtJS is a JavaScript-written, mainly used to create front-end user interface, is a background technology-independent front-end AJAX framework. Therefore, ExtJS can be used in a variety of development languages such as.

In the use of ExtJS process, performance has been a headache, from the user's point of view, a word: slow. From a technical point of view, this "slow" word can be divided into two kinds, loading "slow" and rendering "slow". It is easy to discern between these two situations: if the network is slow and the internet is slow, it is slow to load and slow to render if chrome is not slow and IE is slow. There is another situation: the more slowly, the slowe

I believe that many people have a big idea about client-side programming using js. In fact, there are already many excellent js libraries that can greatly simplify the workload of js programming, jquery and extjs are two excellent js libraries. I have used jquery frequently in projects. This time I mainly learned how to use extjs, but the existing tutorials are basically for 2.0, and the background language

Snow saysPreviously written about the deployment of ExtJS + java. But at that time still do not know how to pack ExtJS program, so the whole ExtJS project uploaded up. The specific process can be seen in my previous blog post.This time, we will introduce the real way of packaging the release, there are two main processes, one is packaging (described later) anothe

The form component in the ExtJS is Ext.form.BasicForm, but the simplest and most commonly used is the Ext.form.FormPanel control, which inherits from the panel and has a certain interface display control, which contains a Basicform object to perform to submit to the server, load, etc. For ExtJS also encapsulates commonly used HTML form items, providing some additional functionality, such as data validation.

ExtJS is a very good JavaScript UI library (the first contact with ExtJS, you can go to the official website http://www.extjs.com/deploy/dev/examples/samples.html look at the example. I believe many people will be enchanted, not only the component is rich, the effect is beautiful, and ExtJS integrated Ajax function can easily interact with. NET WCF. Here we will

[ExtJs] bar chart, changing the color of each column, extjs bar chart The column chart of ExtJs is almost the same as that of [ExtJs] line chart (click to open the link). The difficulty lies in the color of each column. ExtJs does not provide independent parameters for the c

[ExtJs] pie chart, extjs The ExtJs pie chart is not as hard as the [ExtJs] bar chart, changing the color of each column (click to open the link), because the color of each piece of cake is naturally different, you do not need to write the Renderer yourself. The key is to make the animation effect well. I. Basic Object

ExtJS learning -------- common events in Ext. Element and other important method learning (instance), extjs layout example Common events: Other important methods: Example: (you can uncomment the corresponding code to test the instance result) Ext. onReady (function () {Ext. create ('ext. panel. panel ', {title: 'My panel', width: '000000', height: 100%, renderTo: Ext. getBody (), html: ' I am getting

Style files for resources/css/ext-all.css, extjs js library file mainly contains two, adapter/ext/ext-base.js and ext-all.js, where ext-base.js represents the framework base library, ext-all.js is the core library of extjs. Adapter represents the adapter, that is, there can be a variety of adapters, so you can replace adapter/ext/ext-base.js with adapter/jquery/ext-jquery-adapter.js, or adapter/prototype/ex

For an extension of ExtJS to number in JavaScript, you can refer to its Help documentation, document: http://download.csdn.net/detail/z1137730824/7748893Here are some of the ways to do this:(1) ConstrainConstrain (Number number , number min, number Max): NumberChecks whether the given value is within the bounds of the constraint. If the number is already within the value is returned within the range. Otherwise, the maximum value is assumed to be great

instances with Xtype and Ext.widget ().Autoel:A tag name or domhelper description that is used to create the Element, which encapsulates the current component. For base classes Ext.component and Ext.container.Container, this value defaults to ' div '. The more complex Sencha classes use the more complex DOM structures, which are created by their own RENDERTPL methods. This is designed to allow developers to create tool components for specific applica

Just in contact ExtJS this former paragraph plug-in, because the company is to use this to do the previous paragraph, so it is necessary to spend some time to grasp, the following is my own very shallow learning summary, later will slowly add!!First, Treepanel basic configuration parameters:animate:true// Expand , shrink animation , False , no animation effectautoheight:true// Auto Height , default = falseenabledrag:true// tree node can be dragged Dr

ExtJS learning ----------- Ext. Array, ExtJS extension to the Array in javascript (example), ext. array. foreach (1) clean Var arr = [1, 2, null, 3, '']; alert (Ext. array. clean (arr); // clean object :( value = null) | (value = undefined) | (! AllowEmptyString? Value = '': false) | (Ext. isArray (value) value. length = 0) // The result is 1, 2, 3.(2) difference // Differencevar arr1 = [, 3]; var arr2

We know that each panel has a tbar (top toolbar of topbar). The following section describes two tbar problems of extjs. If you are interested, refer to the following version: extjs3.4. Comrades who have been familiar with extjs know that each panel has a tbar (top bar top toolbar) and bbar (bottom Toolbar of bottom bar) What do you usually look like when querying pages? The most basic is a table to displa

HTML>Headrunat= "Server"> title>title> Linkrel= "stylesheet"href= "Js/ext-4.2/resources/css/ext-all-neptune.css"/> Scriptsrc= "Js/jquery/jquery-1.8.2.min.js"type= "Text/javascript">Script> Scripttype= "Text/javascript"src= "Js/ext-4.2/bootstrap.js">Script> Scripttype= "Text/javascript"src= "Js/ext-4.2/locale/ext-lang-zh_cn.js">Script> Scripttype= "Text/javascript">$ (document). Ready (function() { functioninit () {Ext.MessageBox.alert ("

ExtJS learning -------- other operations in Ext. Element learning, how to learn extjs (1) alignment operation (2) dimension operation (3) Locating (4) rolling operation (5) common event Methods EXTJS learning methods and experience There seems to be no classic video!Purchase a book and read extjs.In addition, let's take a look at the Ext Core manual.Fir

Summary of Extjs file uploads and extjs file uploads Originally, file upload is a simple and common function. However, due to my new access to extjs, I am not familiar with the controls in extjs and their usage methods. As a result, I can solve the File Upload problem quickly, it took nearly two days. The problems and

This thing is very simple, as long as you will use aspx,jsp,php and so on any kind of server language or framework, know how to get the page pass parameters on the line.ExtJS's Ajax is even shorter than jquery's.I. BASIC OBJECTIVESFor example, as an extremely simple example, ajax.html has a button, a click, passing a=10 and b= 20 these two values go to helloworld.jsp or helloworld.php, and then helloworld.jsp or helloworld.php return information to the foreground:Second, the JSP version of the