cart.java

来自「sorry i have only one」· Java 代码 · 共 55 行

package cart.biz;

import cart.model.Item;
import java.util.*;
import cart.model.Product;

public class Cart
 {
 	private HashMap items;
	private double cost;
	public void addItem(Product product,int number){
		int id=product.getId();
		Item item=new Item();
		item.setProduct(product);
		item.setNumber(number);
		item.setCost(product.getPrice()*number);
		items.put(new Integer(id),item);
	}
	public void modifyNumberByProductId(int productId,int number){
		Item item = (Item)items.get(new Integer(productId));
	        item.setNumber(number);
	    	items.put(new Integer(productId),item);
	}
	public void deleteItemByProductId(int productId){
		items.remove(new Integer(productId));
	}
	public void deleteItemsByProductId(int productId[]){
       		for(int i = 0 ; i<productId.length;i++){
	       	  items.remove(new Integer(productId[i]));
	    	}
	}
	public void clear(){
		items.clear();
	}
	public void setCartItem(HashMap items)
	 {
	    this.items=items;
	 }
	public HashMap getCartItem(){
		return items;
	}
	public void setCost(double cost){
	    this.cost=cost;
	}
	public double getCost(){
	    return cost;
	}
	public int getItemNumber(){
		return 0;
	}
	public boolean isEmpty(){
		return true;
	}
 }