Struts2 设置session及获取spring aplicationicontext

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import javax.servlet.ServletContext;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.StrutsStatics;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

/**
*
* @author jack_mo
*/
public class ViewFunctions extends ActionSupport {

   private String ip;
    public String getIp() {
       return ip;
   }
   public void setIp(String ip) {
       this.ip = ip;
   }

   @Override
    public String execute() throws Exception {
       ServletActionContext.getRequest().getSession().setAttribute("ip", ip);
       ServletContext servletContext = (ServletContext) ActionContext.getContext().get(StrutsStatics.SERVLET_CONTEXT);
       ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(ServletActionContext.getRequest().getSession().getServletContext());
        ApplicationContext ctx2 = WebApplicationContextUtils.getWebApplicationContext(servletContext);
        return SUCCESS;
    }
}