ibatis jsp servlet 的网上书城项目

package org.myrose.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.Vector; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.myrose.beans.BookCart; import org.myrose.beans.Member; import org.myrose.beans.Order; import org.myrose.beans.OrderDetail; import org.myrose.beans.Rebate; import org.myrose.beans.VMember; import org.myrose.dao.MemberDAO; import org.myrose.dao.OrderDAO; import org.myrose.dao.OrderDetailDAO; import org.myrose.dao.RebateDAO; import org.myrose.dao.VMemberDAO; public class CartOrderServlet extends HttpServlet { /** * Constructor of the object. */ public CartOrderServlet() { 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 { response.setContentType("text/html;charset=GBK"); request.setCharacterEncoding("GBK"); } /** * The doPost method of the servlet. <br> * * 此方法用来生成定单操作 * * 1 插入定单主表数据 * 2 插入定单明细数据 * 3 更新会员信息 * 4 更新会员等级 * * @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 { response.setContentType("text/html;charset=GBK"); request.setCharacterEncoding("GBK"); String username=request.getParameter("username"); String truename=request.getParameter("truename"); String address=request.getParameter("address"); String postcode=request.getParameter("postcode"); String tel=request.getParameter("tel"); String pay=request.getParameter("pay"); String carry=request.getParameter("carry"); String email=request.getParameter("email"); String bz=request.getParameter("bz"); HttpSession session = request.getSession(); VMemberDAO vmdao = new VMemberDAO(); MemberDAO mdao = new MemberDAO(); OrderDAO orderDAO = new OrderDAO(); OrderDetailDAO orderDetailDAO = new OrderDetailDAO(); RebateDAO rdao = new RebateDAO(); VMember vm = new VMember(); Order order = new Order(); OrderDetail orderDetail = new OrderDetail(); Member m = new Member(); Rebate r = new Rebate(); vm.setUsername(username); double rebate = 1; try { vm = vmdao.getVMemberByName(vm); } catch (Exception e) { e.printStackTrace(); } if(vm != null){ rebate = vm.getRebate(); } Vector cart = (Vector)session.getAttribute("cart"); int orderId = 0; int temp = 0; String grade = "0"; double price = 0; double sum = 0; double totalsum = 0; double amount = 0; boolean flag = true; int bnumber = cart.size(); order.setBnumber(bnumber); order.setUsername(username); order.setTruename(truename); order.setAddress(address); order.setPostcode(postcode); order.setTel(tel); order.setEmail(email); order.setPay(pay); order.setCarry(carry); order.setRebate(rebate); order.setBz(bz); try { temp = orderDAO.addOrder(order).intValue(); //System.out.println(temp); } catch (Exception e) { e.printStackTrace(); } if(temp == 0){ flag = false; }else{ orderId = temp; } for(int i = 0;i < cart.size(); i++){ BookCart bookcart = (BookCart)cart.elementAt(i); price = bookcart.getPrice()*rebate; orderDetail.setOrderId(orderId); orderDetail.setIsbn(bookcart.getIsbn()); orderDetail.setPrice(price); orderDetail.setNumber(bookcart.getNum()); sum = price*bookcart.getNum(); totalsum = totalsum+sum; try { temp = orderDetailDAO.addOrderDetail(orderDetail).intValue(); } catch (Exception e) { e.printStackTrace(); } if(temp == 0){ flag = false; } } m.setAmount(totalsum); m.setUsername(username); try { temp = mdao.updateAmount(m); } catch (Exception e) { e.printStackTrace(); } if(temp == 0){ flag = false; } try { m = mdao.findMemberByNamePass(username, null); } catch (Exception e) { e.printStackTrace(); } amount = m.getAmount(); r.setAmount(amount); try { r = rdao.getRebate(r); } catch (Exception e) { e.printStackTrace(); } grade = r.getGrade(); m.setGrade(Integer.parseInt(grade)); try { temp = mdao.updateGrade(m); } catch (Exception e) { e.printStackTrace(); } if(temp == 0){ flag = false; } if(flag){ session.removeAttribute("cart"); request.setAttribute("order", "ok"); request.setAttribute("orderId", ""+orderId); request.getRequestDispatcher("index.aspx").forward(request, response); }else{ request.setAttribute("order", "no"); request.getRequestDispatcher("cart_checkout.jsp").forward(request, response); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occure */ public void init() throws ServletException { // Put your code here } }