shopaction.java

利用javaEE开发而实现图书的购买的一个系统

package org.yangkang.bookshop.action;



import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;

import org.yangkang.bookshop.service.impl.BookService;
import org.yangkang.bookshop.service.impl.SaveOrderService;
import org.yangkang.bookshop.service.impl.Saveorderitemservice;
import org.yangkang.bookshop.util.Cart;
import org.yangkang.bookshop.vo.Book;
import org.yangkang.bookshop.vo.Order;
import org.yangkang.bookshop.vo.Orderitem;
import org.yangkang.bookshop.vo.User;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("serial")
public class ShopAction extends ActionSupport {
	private User user;
	private Order order;
	private Integer bookId;
	private int quantity;
	protected Cart cart;
	protected BookService bookservice;
	protected SaveOrderService orderservice;
	protected Saveorderitemservice saveorderitemservice;

	public SaveOrderService getOrderservice() {
		return orderservice;
	}

	public void setOrderservice(SaveOrderService orderservice) {
		this.orderservice = orderservice;
	}

	public Saveorderitemservice getSaveorderitemservice() {
		return saveorderitemservice;
	}

	public void setSaveorderitemservice(
			Saveorderitemservice saveorderitemservice) {
		this.saveorderitemservice = saveorderitemservice;
	}

	public BookService getBookservice() {
		return bookservice;
	}

	public void setBookservice(BookService bookservice) {
		this.bookservice = bookservice;
	}

	public Cart getCart() {
		return cart;
	}

	public void setCart(Cart cart) {
		this.cart = cart;
	}

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	public Order getOrder() {
		return order;
	}

	public void setOrder(Order order) {
		this.order = order;
	}

	public Integer getBookId() {
		return bookId;
	}

	public void setBookId(Integer bookId) {
		this.bookId = bookId;
	}

	public int getQuantity() {
		return quantity;
	}

	public void setQuantity(int quantity) {
		this.quantity = quantity;
	}

	@SuppressWarnings("unchecked")
	public String execute() throws Exception {
		Map session = ActionContext.getContext().getSession();
		Map request = (Map) ActionContext.getContext().get("request");
		@SuppressWarnings("unused")
		Book book = bookservice.getBookBybookId(bookId);
		Orderitem orderitem = new Orderitem();
		orderitem.setQuantity(quantity);
		orderitem.setBook(book);
		// 注意此时没有orderitemId,因为它还没有被写入数据库..orderitemId就没有自动生成
		System.out.println("orderitem.orderitemId:"
				+ orderitem.getOrderitemId());
		Cart cart = (Cart) session.get("cart");
		cart.addToCart(bookId, orderitem);
		int total_price = cart.getAllprice();
		System.out.println("购物车的容量是:" + cart.getItem().size());
		session.put("cart", cart);
		request.put("total_price", total_price);
		return SUCCESS;
	}

	@SuppressWarnings("unchecked")
	public String continue_shopping() throws Exception {
		return SUCCESS;
	}

	@SuppressWarnings("unchecked")
	public String payCart() throws Exception {
		Map session = (Map) ActionContext.getContext().getSession();
		User user = (User) session.get("user");
		System.out.println("user属性userId:" + user.getUserId());
		System.out.println("user属性getUsername" + user.getUsername());
		System.out.println("user属性getPassword" + user.getPassword());
		System.out.println("user属性getSex" + user.getSex());
		System.out.println("user属性getAge" + user.getAge());
		Date orderdate = new Date(System.currentTimeMillis());
		Order order = new Order();
		order.setOrderdate(orderdate);
		order.setUser(user);
		if (saveorderitemservice == null) {
			System.out.println("属性长度有限制!............." + saveorderitemservice);
		}
		if (orderservice == null) {
			System.out.println("saveorderservice是否为空......." + orderservice);
		}	
		try{
			order = orderservice.saveOrder(order);
		}
		catch(Exception e){
			System.out.println("检验存入订单是否成功!---------------");
			e.printStackTrace();
		}		
		Cart cart = (Cart) session.get("cart");
		Collection items = cart.getItem().values();
		Iterator it = items.iterator();
		while (it.hasNext()) {
			Orderitem orderitem = (Orderitem) it.next();
			orderitem.setOrder(order);
			order.getOrderitems().add(orderitem);
			Book book = orderitem.getBook();
			Book _book = bookservice.getBookBybookId(book.getBookId());
			int quantity = _book.getQuantity().intValue()
					- orderitem.getQuantity().intValue();
			book.setQuantity(new Integer(quantity));
			bookservice.updateBook(book);
			saveorderitemservice.saveorderitem(orderitem);
			cart.setItem(null);
		}
		
		return SUCCESS;
	}

	@SuppressWarnings("unchecked")
	public String modify() throws Exception {
		Map session = ActionContext.getContext().getSession();
		Map request = (Map) ActionContext.getContext().get("request");
		Cart cart = (Cart) session.get("cart");
		Orderitem orderitem = cart.getItem().get(bookId);
		System.out.println("orderitem.book.bookname"
				+ orderitem.getBook().getBookname());
		System.out.println("orderitem.book.price"
				+ orderitem.getBook().getPrice());
		System.out.println("orderitem.quantity" + orderitem.getQuantity());
		request.put("orderitem", orderitem);
		return SUCCESS;
	}

	@SuppressWarnings("unchecked")
	public String update() throws Exception {
		Map session = ActionContext.getContext().getSession();
		Map request = (Map) ActionContext.getContext().get("request");
		Cart cart = (Cart) session.get("cart");
		System.out.println("orderitem.book.bookId" + bookId);
		Orderitem orderitem = cart.getItem().get(bookId);
		System.out.println("从这里开始检查orderitem是否为空");
		System.out.println("orderitem.book.bookname    "
				+ orderitem.getBook().getBookname());
		System.out.println("orderitem.book.price    "
				+ orderitem.getBook().getPrice());
		System.out.println("orderitem.quantity    " + orderitem.getQuantity());
		if (cart.update(bookId, orderitem, quantity)) {
			int total_price = cart.getAllprice();
			request.put("total_price", total_price);
			session.put("cart", cart);
			return SUCCESS;
		}
		return ERROR;
	}

	@SuppressWarnings("unchecked")
	public String delete() throws Exception {
		Map session = ActionContext.getContext().getSession();
		Map request = (Map) ActionContext.getContext().get("request");
		Cart cart = (Cart) session.get("cart");
		System.out.println("orderitem.book.bookId" + bookId);
		if (cart.getItem().remove(bookId) != null) {
			int total_price = cart.getAllprice();
			request.put("total_price", total_price);
			return SUCCESS;
		}
		return ERROR;
	}

}