It's also very easy to plug in new expression evaluators for things like mvel, ognl, or jruby.
为mvel、ognl或者jruby等增加新的表达式计算插件也是非常容易的。
Using OGNL to solve transformation difficulties.
使用OGNL解决转换难题。
From the developer's perspective, OGNL has two components.
从开发人员的角度看，OGNL拥有两个组件。
Ognl-2.6.7.jar: The expression language for navigating object graphs.
ognl - 2.6.7 . jar：导航对象图的表达式语言。
We will define hierarchical-based web pages and how we can perform data extraction using the minimal code of the Struts 2 OGNL framework.
我们将定义一些基于层级的web页面，并展示如何使用最少的Struts2OGNL 框架代码执行数据提取。
Struts 2 OGNL expressions reduce the difficulty of writing complex code to transform single-level form beans to multi-level domain objects.
Struts2OGNL表达式减小了编写复杂代码、将单级表单beans转换为多级域对象的难度。
In Struts 2, the HTML input field names could be generated as OGNL expressions, which in turn helps eliminate complex coding in the action class.
在Struts2中，HTML输入字段名称可以生成为ognl表达式，后者有助于消除操作类中的复杂编码。
In this regard, we will also touch upon the basics of OGNL and Struts 2 and how we have leveraged them to create a lightweight methodology to handle hierarchical pages.
在这方面，我们将触及OGNL和Struts2的基本知识，以及如何利用它们创建一个轻量级方法来处理这些层级页面。
In this regard, we will also touch upon the basics of OGNL and Struts 2 and how we have leveraged them to create a lightweight methodology to handle hierarchical pages.
在这方面，我们将触及OGNL和Struts2的基本知识，以及如何利用它们创建一个轻量级方法来处理这些层级页面。
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