shopdetailservlet.java

使用jsp+Servlet,采用MVC模式,实现了一典型小型电子商务网站的全过程.包括前台和后台的全部功能.适合于初学者学习使用.

package com.eshop.servlet.manager.shop;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import com.eshop.service.OrderService;

public class ShopDetailServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ShopDetailServlet() {
		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 {

		doPost(request,response);
	}

	/**
	 * 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 {

	
		request.setCharacterEncoding("gbk");
		long orderid=Long.parseLong(request.getParameter("orderid"));//获得订单ID
		String userid=request.getParameter("userid");
		OrderService orderService=new OrderService();
		List order=orderService.getOrderById(orderid);//根据orderId获取收货人信息
		List payinfo=orderService.getPayInfoById(orderid);//根据orderId获得付款信息
		List list1=orderService.getOrderItemListById(orderid);//根据orderid获得所购商品信息
		Float totalprice=Float.valueOf(orderService.getOrderItemTotalPrice());//获得总价格信息
		request.setAttribute("list", order);
		request.setAttribute("userid", userid);
		request.setAttribute("payinfo", payinfo);
		request.setAttribute("list1", list1);
		request.setAttribute("totalprice", totalprice);
		RequestDispatcher requestDisptcher=request.getRequestDispatcher("../manager/shop/shoporders.jsp");
		requestDisptcher.forward(request, response);
	}

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

}