1. Main configuration of Ext. Form. checkboxgroup
Configuration item
Type
Description
Allowblank
Boolean
Set whether at least one item must be selected. "True" indicates that at least one item can be selected. "false" indicates that at least one item cannot be selected. The default value is "true.
Blanktext
String
Error message when allowblank is set to false and no check box is selected
original array.
Ext. each (array, FN) contains two parameters: the first parameter is an array and the second parameter is a function. After each is started, every element in the array is cyclically formed, the callback function is then processed one by one. Is a way to simplify the loop.
This section describes the DS parameter prunemodifiedrecords. If this parameter is set to true, the DS will automatically clear the modified record each time th
/* Ext. tabpanel main configuration project table: activetab string/number sets the ID of the tab page activated by default or the index animscroll Boolean sets whether to use the animation effect autotabselector string to automatically find the style selector of the DIV in the DOM when the tab page is scrolling (default' div. x-tab, effective when autotabs = true) autotabs Boolean sets whether to find the DIV with the style class 'x-tab' In the Dom a
Overview
Gwt-ext is a powerful Web development control library based on Google Web Toolkit (GWT) and ExtJs. It expands GWT and implements a sort-enabled table (grid) based on ExtJs, paging, filtering, support for drag-and-drop trees, highly customizable combo drop-down boxes (Combobox), directories, dialogs, forms (form), and rich, powerful, and Easy-to-use APIs.
Gwt-ext has a license to the GNU Lesser Ge
Subclass. Prototype = new baseclass ();
This statement allows the subclass class to obtain all attributes and functions in baseclass, so as to implement the inheritance operation in Javascript. It adds a new function to the subclass and overwrites the Same Name function in the parent class.
Use the Ext. Extend () function in extjs to implement the inheritance Function
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Problem phenomenon:
[Root@localhost magento2]# pwd
/home/wwwroot/default/magento2
[Root@localhost magento2]# Composer Install
Loading Composer repositories with the package information
Installing dependencies (including Require-dev) from lock file
Warning:the lock file is a not-to-date with the latest changes in Composer.json. Getting outdated dependencies. Run Update to
Update them.
Your requirements could not being resolved to an installable set of packages.
Problem 1
-The requested PHP extens
This is an example program that I wrote in the course of learning Ext. It is only for practice and has incomplete functions. Now I have recorded it in my blog, I hope I can share it with my friends who are learning Ext. This is a sample program I wrote during my learning of Ext. It is only for exercises and has incomplete functions. Now I have recorded it in my b
Learn about YUI. ext day 6-about tree TreePanel (Part2 asynchronous node acquisition) The following describes how to asynchronously retrieve all nodes of a tree. The specific method is very different from the official synchronous node retrieval method, in particular, here are some of my explorations on the json id attribute, which may not be the best solution. We need to study it together.
The idea of asynchronous node retrieval is as follows:
1. Firs
A lot has changed since Sencha Touch 2.4.2 upgrade to Ext JS 6,cmd version upgraded to 6.0First from the cmd, cmd 6 in the Sencha app build package can not be used, Sencha app build native seems to be useless.And the good news is that we can useSencha Ant Native BuildSencha Ant Package BuildThese two commands, the visual and the previous effect almostAnd then say the change of Ext JS 6 relative Sencha Touch
Syntax: Fly (string/htmlelement El, [String named]): Element
Note:
Get a global shared floating element El. If there are multiple floating elements, you can use the name to avoid potential conflicts.
Some people ask what are the advantages of this? The advantage is big. If there are 1000 elements, you need to call their hide to hide them. If Ext. get will create 1000 element objects. If fly is used, only one object will be created. T
The Ext. ux. UploadDialog interface is displayed as follows in ext:
Before uploading
Uploading process:
Strong. How to use it .?
Search for Ext. ux. UploadDialog. Package download by yourself
Use is necessary to import the ext package.
The core code for getting an onclick event is as follows:
FunctionInsertImages
EXT class
Addbehaviors (Object OBJ): void
Apply the event listener to the selected element. The event name ends with @, for example
Addbehaviors ({
// Id = Add a click event to all a tags under foo
'# Foo A @ click': function (E, T ){
// Do something
},
// Use to separate multiple selectors
'# Foo A, # bar span. Some-class @ Mouseover': function (){
// Do something
}
});
Apply (Object OBJ, object config, object defaults): ObjectCopy all attributes fr
Content
Qrcode Introduction
Qrcode data capacity
Qrcode corrected capacity
Qrcode Application
Demonstrate Ext. NET + qrcode encapsulation of two-dimensional bar code control
Qrcode Introduction
A QR code (Quick Response) is a two-dimensional code that can be quickly decoded. It stores more information than normal codes, and does not need to be aligned with the scanner when scanning.
Figure 1: qrcode diagram of version 3
The QR code uses an infr
1. ArrayIndexOf (Object o): Number MethodRemove (Object o): Array Method2. DateJavascript is not convenient for date and time operations, but Ext basically adds a lot of extensions here. Important:Add (String interval, Number value): Date MethodInterval indicates the period to be added. The Valid String isMs -------- indicates millisecondsS ----------- indicates the secondMi --------- indicates minuteH ---------- indicates the hourD --------- indicate
My projects use the ext layout, and then the tab Control for loading the IFRAME page is in the middle.
So when we edit a piece of data to open an edited tab page, We need to update the data on the list page when saving it. However, if we use js to refresh the page directly, the ext control of the time will become shorter, because ext calculates the page width du
In order to help you understand the flexible and variable JavaScript object-oriented programming, you will not be lonely on the way to conquer EXT/Ajax. The open-source website vifir.com will organize EXT/Ajax technology learning and exchange activities in Chengdu, Beijing, Shanghai, Hangzhou, Shenzhen, Guangzhou, Chongqing and other cities on September 13, July. Welcome to register with csdn.
Activity det
Copy Code code as follows:
Grid. AddListener (' Rowcontextmenu ', RIGHTCLICKFN); Right-key Menu code key part
Menu Build
var rightclick = new Ext. menu. Menu ({
ID: ' Rightclickcont ',///must have a rightclickcont DIV element in the HTML file
Items: [{
ID: ' RMenu1 ',
HANDLER:RMENU1FN,//Click on the event triggered
Text: ' Right-click menu 1 '
}, {
ID: ' RMENU2 ',
HANDLER:RMENU2FN,
Text: ' Right-click menu 2 '
}]
});
function Rightc
1, how to create hyperlinks in Javasript
2, apply to the tree control event handling in Ext
Tree_03.js
Copy Code code as follows:
Ext.onready (function () {
var root = new Ext.tree.TreeNode ({//tree, there is no function, using JSON format
Id:1,
Text: "LINJQ"
});
var C1 = new Ext.tree.TreeNode ({
Text: "Child 1"
});
Root.appendchild (C1);
Root.appendchild (New Ext.tree.TreeNode ({
Text: "Child 2"}));
var tree
Ext form Forms Form AJAX Submission (default submission method)
Copy Code code as follows:
1. Function login (item) {
2.
3. if (Validatorform ()) {
4.//Login button set to Disabled to prevent duplicate submission
5. this.disabled = true;
6.
7.//The first parameter can be submit and load
8. FormPanl.form.doAction (' Submit ', {
9.
URL: ' User.do?method=login ',
11.
Method: ' Post ',
13.
14.//If there are other parameters other
Other methods://1:compile: Compiling a selector or XPath into a reusable functionvar fn = Ext.DomQuery.compile (' span '); Alert (FN);var arr = fn (ext.getdom (' D1 ')); Ext.Array.each (arr,function//2:filter: Filter An array of elements using a simple selector // var arr = document.getelementsbytagname (' div ' var Filterarr = Ext.DomQuery.filter (arr, ' div[id=d1] ', false ); Ext.Array.each (Filterarr,function//is: Determines whether the element matches a simple selector alert (Ext.DomQuery.i
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