product_car.java

jsp servlet java bean实现的购物车代码

package com;

import java.util.*;

public class Product_car {
    List mybasket = new ArrayList();
    //添加产品
    public void addProduct(Product_Bean pb) {
        boolean flag = true;
        for (int i = 0; i < mybasket.size(); i++) {
            Product_Bean ht = (Product_Bean) mybasket.get(i);
            if (ht.getName().equals(pb.getName())) {
                ht.setNum(ht.getNum() + 1); //如果集合中有相同ID的书，则对书的数量进行相加
                flag = false;
            }
        }
        if (flag){
            mybasket.add(pb);
        }
    }

    public List getMybasket() {
        return mybasket;
    }

    public void setMybasket(List mybasket) {
        this.mybasket = mybasket;
    }

}