} //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 !!"); ...
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,以满足移动互联网数据多样化的要求。例如,Sp...
* 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 ...
server.jsp-servlet.registered JspServelt 是否要注册到内嵌的 Servlet 容器里(默认 true) 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 Co...
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: 1 String value = getServletConfig().getInitParameter("name"); 为特定的URL请求添加Servlet过滤器 Web过滤器在给定的URL被访问时对请求进行预处理并调用相应的功能是很有用的。
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: 1 String value = getServletConfig().getInitParameter("name"); 为特定的URL请求添加Servlet过滤器 Web过滤器在给定的URL被访问时对请求进行预处理并调用相应的功能是很有用的。
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. ...
④The servlet uses the request object to find out who the remote user is,what HTTP POST parameters may have been sent as part of this request and other relevant data. The servlet performs whatever logic it was programmed withand generatesdata to send back to the client.It sends this data ...
You shouldalwaysput publicly reuseable Java classes in a package, otherwise they are invisible to ...
config – a ServletConfig object containing the servlet's configuration and initialization parameters 5、Throws: ServletException – if an exception hasoccurredthat interferes with the servlet's normal operation 如前所述,当servlet构造完成后,可以通过init()方法对其进行初始化。我们仅需要在该方法中定义相应...