Take some time to explore the demos above and look at the extension source code to get an appreciation for how complex an ext JS extension or plug-in can be.
花一点时间来研究以上演示、看看扩展源代码，获取对扩展和插件的复杂程度的一个正确了解。
You will then learn how to create a more complex extension which changes the functionality of an existing Ext JS class and adds some new features.
然后，您将学习如何创建一个更复杂的扩展，可以修改一个已有ExtJS类的功能以及添加一些新特性。
With the basics learned in this article, you should now be ready to start learning about more complex concepts in Ext JS extension and plug-in development.
在本文中学习了这些基础理论之后，您就可以开始学习一些更复杂的ExtJS扩展和插件开发的概念了。
User extensions in ext JS usually are in the namespace Ext.ux, so look out for this when trying to find the source code for an extension.
用户在ExtJS中的扩展通常是在名称空间Ext .ux中，因此在您试着寻找一个扩展的源代码时要留意这一点。
You can steer clear of this permission-granting business by installing the provider .jar file in the "ext" directory as a bundled extension.
您可以通过在 "ext"目录下作为一组扩展安装提供程序的.jar文件，更清楚地控制这种许可授权事务。
Its primary responsibility is to load classes from the extension directories, normally located the jre/lib/ext directory.
它的主要职责是从扩展目录装入类，通常位于jre/lib/ext目录。
When we created an extension, we instantiated an object of the new extension's subclass (ExtBrowserWindow), but when using a plug-in you instead use the regular ext JS component you wish to display.
当我们创建了一个扩展时，我们初始化新扩展的子类(ExtBrowserWindow)的一个对象，但是如果使用一个插件时，您使用的是您想要显示的规则ExtJS组件。
An extension for ext JS is a derived class or a subclass, which is designed to allow the inclusion of additional features to existing ext JS classes.
ExtJS的扩展是从类或者子类衍生出来的，为支持现有Ext JS类包含附加特性而设计的。
Zorba support in PHP comes through PECL's ext/zorba extension, which is maintained by William Candillon, and provides an object-oriented API for accessing the Zorba library.
PHP中的Zorba支持通过PECL 的ext/zorba扩展来实现，该扩展由William Candillon 维护，它为访问 Zorba 库提供一个面向对象的API。
Available as a user extension (UX) in ext JS, you can now perform edits to a grid at the row level, as shown in Figure 1.
作为ExtJS中的用户扩展(UX)，现在可以进行行级编辑，如图1所示。
This is a very basic example of an ext JS extension, but it could easily be extended further to include some more features.
这是ExtJS扩展的一个最基础的示例，但是它很容易进一步扩展来包括一些更多的特性。
The extension starts with a period (.) (for example,.ext).
扩展名以句点(.)开头(例如.ext)。
At first it can be difficult to appreciate the difference between an extension and a plug-in in ext JS, particularly given their similarities in terms of what they do.
首先，在ExtJS中很难分辨扩展和插件之间的不同，尤其是考虑到它们在使用时的相似性。
You then learned how to create an ext JS extension-a browser window that subclassed the Ext.Window component.
然后您学习了如何创建一个ExtJS扩展—子类化ext. Window组件的一个浏览器窗口。
The fix is simple: client2 refreshes its view of the object graph in memory, using the refresh method on the extension object (which is returned by ext ).
改进方法很简单：client2使用extension对象上的refresh方法刷新它在内存中的对象图视图，extension对象由ext返回。
The fix is simple: client2 refreshes its view of the object graph in memory, using the refresh method on the extension object (which is returned by ext ).
改进方法很简单：client2使用extension对象上的refresh方法刷新它在内存中的对象图视图，extension对象由ext返回。
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