package com.hygj.servlet;

import java.io.IOException;
import java.util.Hashtable;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class OrderServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public OrderServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		//獲得購物車和用戶編號信息
		//自己回去添加用戶信息的捕獲
		//獲得購物車
		HttpSession session=request.getSession();
		Hashtable car=(Hashtable)session.getAttribute("car");
		//調用生成訂單明細信息的操作 ,再調用訂單明細信息的同時自動調用生成訂單的操作
		//獲得生成好的訂單號
		int orderId=new com.hygj.service.OrderService().addOrderDetails(1, car);
		//把訂單編號傳到客戶端進行顯示,利用session傳遞
		session.setAttribute("orderId",orderId);
		//清空購物車
		session.removeAttribute("car");
		response.sendRedirect("showOrder.jsp");
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doGet(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}