It probably means you have declared your Model or Controller classes wrongly.
它意味着模型、控制类声明有错。
In fact, simple controller classes aren't tied to JSF at all, making them easier to test.
事实上，简单的控制器类根本与JSF没有联系，这使得它们更加容易测试。
The methods within the class are standard methods outlined for all portlet controller classes.
这个类中的方法是所有的portlet控制器类中概括的标准方法。
Both controller classes extend the base controller class to inherit the common functionality it provides.
这两个控制器类都继承控制器基类来继承后者提供的通用功能。
There are several ways to access URL parameter values within the action methods of Controller classes.
在控制类操作方法中有多种访问url参数的方式。
The controller classes must contain details of HTML or URL structure, which makes the classes harder to read and maintain.
控制器类必须含有HTML或URL结构的细节，这些使类难以阅读和维护。
This is a convention. You can put your controller classes anywhere you like, because they are all compiled into the same assembly.
这是一个约定。你可以把控制器类放在任何你喜欢的地方，因为它们都会被编译到同一个程序集中。
Struts provides its own Controller component (the ActionController classes) and integrates with other technologies to provide the Model and the View.
Struts提供自己的控制器组件(actioncontroller类)并与其他技术相结合来提供模型与视图。
These classes delete selected elements from your cache when certain controller actions fire.
在某些控制器击发时，这些类会从缓存内删除选定的元素。
API methods for all the API service classes specified in the controller class get listed.
在控制器类中指定的所有api服务类的API方法都将被列出。
It gives you good examples of how to use the domain classes, as well as how to write a controller and a view.
它为您提供了如何使用域类以及如何编写控制器和视图的优秀示例。
For now, a controller class is a placeholder for one or more classes that would be fleshed out during design to implement the business logic of your system.
现在，控制器类是设计实现系统商业逻辑填充的一个或多个类的位置保持器。
Create a controller class for the service classes.
创建服务类的控制器类。
To lay out the classes necessary for our portlet we can follow the basic Model-View-Controller pattern that is recommended by the framework.
为展示我们的portlet必需的类，我们可以遵循这个框架推荐的基本模型-视图-控制器(Model - View - Controller)模式。
You can easily test domain classes and services with a GrailsUnitTestCase, but testing a controller requires some additional functionality.
使用GrailsUnitTestCase，可以轻松测试域类和服务，但测试控制器还需要其他一些功能。
Cloudscape.ajax package — the application classes including the applet, a controller servlet, and classes to access the Derby database through the EmbeddedDataSource as well as an XML helper class.
ajax包——应用程序类，包括applet、一个控制器servlet以及用于通过EmbeddedDataSource访问Derby数据库的类，还有一个xml辅助类。
would translate to the ProductsController class (notice we add the "Controller" suffix to the class name to make these classes stand out in the object model at design time).
的URL应该转换为ProductsController类（注意，我们为类名添加了“Controller”后缀，使得这些类能够区别于设计中的模型对象）。
Controller is the base class of console command classes.
控制器是控制台命令类的基类。
Attach the service classes to the controller class using the web_service option.
使用web_service选项将服务类与控制器类绑定在一起。
Attach the service classes to the controller class with the web_service option.
用web_service选项将服务类与控制器类绑定在一起。
PDIUSBD12 may be used for implementing the interface between the parallel bus of the micro-controller and USB. With PDIUSBD12, users can implement multiple classes of USB functions.
PDIUSBD 12芯片能够实现微控制器的并行总线到总线的接口功能，使用芯片可以实现多种类型的外设。
In premium classes, a unique wireless handset controller allows passengers to select entertainment, adjust seat positions and lighting, and choose massage functions.
头等舱的乘客可以使用一个独特的无线掌上控制器来挑选娱乐节目、调节座椅位置和灯光以及选择按摩功能。
In premium classes, a unique wireless handset controller allows passengers to select entertainment, adjust seat positions and lighting, and choose massage functions.
头等舱的乘客可以使用一个独特的无线掌上控制器来挑选娱乐节目、调节座椅位置和灯光以及选择按摩功能。
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