JSF环境下操作ServletContext,Session的方式

package com.cicc.domestic.portal.bean;


import com.cicc.domestic.portal.model.StockListModel;


import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;
import java.util.List;


/**
 * Created by IntelliJ IDEA.
 * User: fenglei
 * Date: 11-9-19
 * Time: 下午5:00
 * To change this template use File | Settings | File Templates.
 */
@ManagedBean
@RequestScoped
public class StockListBean {
   public StockListBean(){
       FacesContext context = FacesContext.getCurrentInstance();
       ExternalContext ec = context.getExternalContext();
       ServletContext sc = (ServletContext)ec.getContext();
       this.stockList = (List<StockListModel>) sc.getAttribute("stocklist");
       System.out.println("stocklist size is "+this.stockList.size());


   }


    public List<StockListModel> getStockList() {
        return stockList;
    }


    public void setStockList(List<StockListModel> stockList) {
        this.stockList = stockList;
    }


    private List<StockListModel> stockList;






}