什么是SpringMVC? Spring MVC一开始就定位于一个较为松散的组合,展示给用户的视图(View)、控制器返回的数据模型(Model)、定位视图的视图解析器(ViewResolver)和处理适配器(HandlerAdapter)等内容都是独立的。换句话说,通过Spring MVC很容易把后台的数据转换为各种类型的数据,以满足移动互联网
} //This method will access some external system as database to get user name, and his personalized message privateMap<String, String> getData() { Map<String, String> data =newHashMap<String, String>(); data.put("username","Guest"); data.put("message","Welcome to my world !!"); ...
-- Servlet init param --><init-param>namevalue</init-param></servlet></web-app> 设置后，你就可以在代码里调用 getServletConfig.getInitializationParameter() 并传递参数名给该方法来使用参数。就像下面展示的代码一样：1String value = getServletConfig().getInitParameter("name");为特定的URL请求添加...
A configuration wrapper to read the initialization parameters of a servlet context. This configuration is read only, adding or removing a property will throw an UnsupportedOperationException. Since: 1.1 Version: $Revision$, $Date$ Author:...
* Returns a {@link ServletConfig} object, which contains initialization and * startup parameters for this servlet. The ServletConfig * object returned is the one passed to the init method. * * * Implementations of this interface are responsible for storing the * ServletConfig object so that...
Returns a reference to the ServletContext in which the caller is executing. getInitParameterNames Returns the names of the servlet's initialization parameters as an Enumeration of String objects, o getServletName Returns the name of this servlet instance. The name may be provided via server administ...
server.jsp-servlet.init-parameters[param name] 设置 Jsp Servlet 初始化参数 server.servlet-path主分发器 Servlet 的路径(默认:/) Session server.session.cookie.domain 回话 Cookie 的域 server.session.cookie.comment Cookie 注释 server.session.cookie.max-age Cookie 最大保存时间(单位 s) ...
In addition todoFilter, you must implement theinitanddestroymethods. Theinitmethod is called by the container when the filter is instantiated. If you wish to pass initialization parameters to the filter, you retrieve them from theFilterConfigobject passed toinit. ...
You shouldalwaysput publicly reuseable Java classes in a package, otherwise they are invisible to ...
在Servlet 的整个生命周期内,init 方法只被调用一次。而对每次请求都导致Servlet 引擎调用一次servlet 的service 方法。 对于每次访问请求,Servlet 引擎都会创建一个新的HttpServletRequest 请求对象和一个新的HttpServletResponse 响应对象,然后将这两个对象作为参数传递给它调用的Servlet的service()方法,service 方法再根据...