orders.java

servlet学习代码

package jsp.servlet.chapter8.session;

import java.util.ArrayList;
import java.util.List;

public class Orders {
	private List<ItemOrder> orderList = new ArrayList<ItemOrder>();
	
	public synchronized void addItem(ItemOrder item){
		for(int i=0; i<orderList.size(); i++){
			ItemOrder it = (ItemOrder) orderList.get(i);
			if(it.getItem().getId().equals(item.getItem().getId())){
				it.setNumItem(it.getNumItem() + item.getNumItem());
				return;
			}
		}
		orderList.add(item);
	}
	
	public void setItem(){
		
	}

	public List<ItemOrder> getOrderList() {
		return orderList;
	}

	public void setOrderList(List<ItemOrder> orderList) {
		this.orderList = orderList;
	}
}