session store list and show in the jsp

• ref

• resolution

put standard.jar and jstl.jar in web-inf/lib

web.xml

config servlet
<servlet>
    <servlet-name>IjoyServlet</servlet-name>
    <servlet-class>com.ijoy.IjoyServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>IjoyServlet</servlet-name>
    <url-pattern>/IjoyServlet</url-pattern>
</servlet-mapping>

IjoyServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        System.out.println("进入doGet");
        List<Student> students=new ArrayList();
        for (int i = 0; i < 4; i++) {
            Student s=new Student();
            s.setAge(i);
            s.setName("姓名"+i);

            students.add(s);
        }
        HttpSession session = request.getSession();
        session.putValue("students", students);
        request.getRequestDispatcher("/student.jsp").forward(request, response);
    }

student.jsp

student.jsp in /webContent

<c:foreach items="${students}" var="student">
    ${student.name}
</c:foreach

• show