struct2利用相关的Aware接口

package com.helloweenvsfei.struts2.action;  
import org.apache.struts2.interceptor.ServletRequestAware;  
import org.apache.struts2.interceptor.ServletResponseAware;  
import org.apache.struts2.interceptor.SessionAware;  
import org.apache.struts2.util.ServletContextAware;  
public class ServletAwareAction extends ActionSupport implements 
        ServletRequestAware, ServletResponseAware, 
SessionAware, Servlet            ContextAware {  
 
    private ServletContext application;         // Servlet上下文  
    private HttpServletRequest request;         // request对象  
    private HttpServletResponse response;           // response对象  
    private Map session;                            // session对象  
 
    public void setServletRequest(HttpServletRequest request) {  
                                                    
// request的setter方法  
        this.request = request;  
    }  
    public void setServletResponse(HttpServletResponse response) {  
                                                    
// request的setter方法  
        this.response = response;  
    }  
    public void setSession(Map sessionValues) { // 
session的setter方法  
        this.session = sessionValues;  
    }  
    public void setServletContext(ServletContext application) {  
                                            // 
servletContext的setter方法  
        this.application = application;  
    }  
 
    public String execute() {               // 主方法  
        String upload = application.getRealPath("upload");  
                                            // 使用application  
        request.getRemoteAddr();            // 使用request  
        response.getContentType();          // 使用response  
        session.get("account");             // 使用Session  
        return Action.SUCCESS;  
    }
}