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;
}
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;
}
股票列表Bean管理
本文介绍了一个用于管理股票列表的Java Bean——StockListBean。该Bean使用了JSF框架的ManagedBean注解,并限定其作用域为请求级别。通过ServletContext获取股票列表数据并将其暴露给前端界面。
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