Struts获取Session

1.
    Map session=ActionContext.getContext().getSession();
    session.put("xiajin", "test");
2.
    HttpSession httpSession=ServletActionContext.getRequest().getSession();
    httpSession.setAttribute("test", "jin");

    <s:property value="#session.xiajin"/> <br>
    <c:out value="${test}"></c:out>