如何将我的requestdispatcher发送到两个不同的jsp页面路径？

Question

I have made a registration form with the use of JSP, beans and JDBC (MVC)

In my servlet, I have the following code..

        if ("editRegister".equalsIgnoreCase(action)) {
        StudentBean user = new StudentBean();

     user.setName(Name);
     user.setStudID(ID);
     user.setCourse(Course);
     user.setEmail(Email);
            db.addRecord(Name, ID, Name, Email);
             set the result into the attribute
            request.setAttribute("StudentBean", user);
            RequestDispatcher rd;
            rd = getServletContext().getRequestDispatcher("/DisplayRegistry.jsp");
            rd = getServletContext().getRequestDispatcher("/UpdateRegistry.jsp");
            rd.forward(request, response);

Basically, i want to send my requestDispatcher to two jsp pages so that I can display another form with predefined values inside the form.

eg

<jsp:useBean id="StudentBean" scope="request" class="ict.bean.StudentBean"/>


 <% String email = StudentBean.getEmail() != null ? StudentBean.getEmail() : ""; %>
 <form method="get" action="updateregistry">
 <input type="text" name="email" maxlength="10" size="15" value="<%=email%>">
 </form>

However, the problem is it displays null instead of the value as the requestDispatcher is only sent to one path.

Answer 1

Your practice of having two forwards makes no sense

rd = getServletContext().getRequestDispatcher("/DisplayRegistry.jsp");
rd = getServletContext().getRequestDispatcher("/UpdateRegistry.jsp")

Instead you can set the value to the session , so that you can access it in both the pages (throughout the application session).

so ,

HttpSession session=request.getSession(false);
session.setAttribute("StudentBean", user);

You can get the values from the session and have a single request dispatcher

Hope this helps !!