How can I obtain the value of pageContext, a built-in jsp object, in Servlet ?, Pagecontextservlet
The instance of pageContext javax. servlet. jsp. PageContext. This object represents the context of the JSP page and can be used to access the shared data on the page. Common methods include getServletContext and getServletConfig.
The pageContext object is used to obtain parameters of any range. It can be used to obtain out, request, reponse, session, application, and other objects of the JSP page. The creation and initialization of the pageContext object are completed by the container. You can directly use the pageContext object on the JSP page.
However, the method to get the value in Servlet is as follows:
PageContext pageContext = javax. servlet. jsp. JspFactory. getdefafactory Factory (). getPageContext (this, request, response, null, true, 8192, true );