Thanks for the response. I followed the example from the PDK and also did it your way. Nothing happens when I click the button. Do I have to use HTMLB button to get my request/response objects populated correctly? -Vu You must be a registered user to add a comment. If you've alre...
ServletResponse response){ // Set up to handle the specified request and response State state...
This object stores references to the request and response objects for each request. The application, config, session, and out objects are derived by accessing attributes of this object.The pageContext object also contains information about the directives issued to the JSP page, including the ...
与request对象相对应的对象是response对象。可以用response对象对客户的请求作出动态响应,向客户端发送数据。比如,当一个客户请求访问一个JSP页面时,该页面用page指令设置页面的contentType属性的值是text/html,那么JSP引擎将这种属性值响应客户对页面的请求,将页面的静态部分返回给客户,用户浏览器接收到该响应就会使用HTML...
response This represents an HTTP response and is an instance of a class that implements thejavax.servlet.http.HttpServletResponseinterface, which extends thejavax.servlet.ServletResponseinterface. Theresponseandrequestobjects for a particular request are associated with each other. ...
objectsandscopes--JSP objects can be created either explicitly or implicitly and are accessible within a given "scope", such as from anywhere in the JSP page or the session. actions--These create objects or affect the output stream in the JSP response (or both). ...
那么这时可以通过RequestDispatcher接口的实例对象实现。ServletRequest接口中定义了一个获取RequestDispatcher...
}publicvoid_jspService(finaljakarta.servlet.http.HttpServletRequest request,finaljakarta.servlet.http.HttpServletResponse response)throwsjava.io.IOException, jakarta.servlet.ServletException {if(!jakarta.servlet.DispatcherType.ERROR.equals(request.getDispatcherType())) {finaljava.lang.String_jspx_method=reques...
#request : (only in Web Contexts) the HttpServletRequest object. #response : (only in Web Contexts) the HttpServletResponse object. #session : (only in Web Contexts) the HttpSession object. #servletContext : (only in Web Contexts) the ServletContext object. ...
Overview of Servlets and JSP Pages Similar to Common Gateway Interface (CGI) scripts, servlets support a request and response programming model. When a client sends a request to the server, the server sends the request to the servlet. The servlet then constructs a response that the server sen...