Struts2中获取JSP内置对象的方法，struts2jsp内置对象,Struts2中获取Ht

Struts2中获取JSP内置对象的方法，struts2jsp内置对象,Struts2中获取Ht

Struts2中获取HttpRequest,HttpResponse,HttpSession,Application,ServletContext及相关的Map对象。

import java.util.Map;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.apache.struts2.ServletActionContext;import org.apache.struts2.interceptor.ApplicationAware;import org.apache.struts2.interceptor.RequestAware;import org.apache.struts2.interceptor.ServletRequestAware;import org.apache.struts2.interceptor.ServletResponseAware;import org.apache.struts2.interceptor.SessionAware;import org.apache.struts2.util.ServletContextAware;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;@SuppressWarnings( { "serial", "unused", "unchecked" })public class Test extends ActionSupport implements ServletRequestAware, ServletResponseAware, RequestAware, SessionAware, ServletContextAware, ApplicationAware {    private HttpServletRequest request;    private HttpServletResponse response;    private HttpSession session;    private Map<String, Object> requestMap, sessionMap, contextMap;    private ServletContext context;    @Override    public String execute() throws Exception {        this.request = ServletActionContext.getRequest();        this.request = (HttpServletRequest) ActionContext.getContext().get(ServletActionContext.HTTP_REQUEST);        this.session = this.request.getSession();        this.sessionMap = ActionContext.getContext().getSession();        this.sessionMap = ServletActionContext.getContext().getSession();// 调用父类ActionContext的方法        this.sessionMap = (Map<String, Object>) ActionContext.getContext().get(ServletActionContext.SESSION);        this.response = ServletActionContext.getResponse();        this.response = (HttpServletResponse) ActionContext.getContext().get(ServletActionContext.HTTP_RESPONSE);        this.context = this.session.getServletContext();        this.context = ServletActionContext.getServletContext();        this.context = (ServletContext) ActionContext.getContext().get(ServletActionContext.SERVLET_CONTEXT);        this.contextMap = ActionContext.getContext().getApplication();        this.contextMap = ActionContext.getContext().getContextMap();        this.contextMap = (Map<String, Object>) ActionContext.getContext().get(ActionContext.APPLICATION);        this.contextMap = (Map<String, Object>) ActionContext.getContext().get(ServletActionContext.APPLICATION);        return SUCCESS;    }    @Override    public void setServletRequest(HttpServletRequest request) {        this.request = request;    }    @Override    public void setServletResponse(HttpServletResponse response) {        this.response = response;    }    @Override    public void setRequest(Map<String, Object> requestMap) {        this.requestMap = requestMap;    }    @Override    public void setSession(Map<String, Object> sessionMap) {        this.sessionMap = sessionMap;    }    @Override    public void setServletContext(ServletContext context) {        this.context = context;    }    @Override    public void setApplication(Map<String, Object> contextMap) {        this.contextMap = contextMap;    }}