图书购物车.（JAVA）

package bookcart.servlet; import java.io.IOException; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.List; 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 bookcart.bean.BookBean; import bookcart.dao.BookCartDAO; import bookcart.dao.BookDAO; import bookcart.dao.CartListDAO; import bookcart.dao.OrderDAO; public class ControlOrdersServlet extends HttpServlet { private static final long serialVersionUID = 1L; public ControlOrdersServlet() { super(); } public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session = request.getSession(true); OrderDAO order = new OrderDAO(); BookCartDAO bookcart = new BookCartDAO(); BookDAO bookdao = new BookDAO(); CartListDAO cartlist = new CartListDAO(); int cartID = (Integer)session.getAttribute("cartID"); //购物车编号 int memberID = (Integer)session.getAttribute("memberID"); //用户编号 String command = request.getParameter("command"); //获得隐藏表单域的值 if(command.equals("order")){ //提交 String consignee = request.getParameter("consignee"); //收货人 session.setAttribute("consignee",consignee); String tel = request.getParameter("tel"); //联系电话 session.setAttribute("tel", tel); String address = request.getParameter("address"); //地址 session.setAttribute("address", address); String postnumber = request.getParameter("postnumber"); //邮编 session.setAttribute("postnumber", postnumber); String paymode = request.getParameter("paymode"); //付款方式 if(paymode.equals("1")){ //得到付款方式,将其数字代表的意思转换出来 session.setAttribute("paymode", "邮局汇款"); }else if(paymode.equals("2")){ session.setAttribute("paymode", "银行转账"); }else{ session.setAttribute("paymode", "货到付款"); } String delivermode = request.getParameter("delivermode"); //配送方式 if(delivermode.equals("1")){ //得到配送方式,将其数字代表的意思转换出来 session.setAttribute("delivermode", "普通邮寄"); }else if(delivermode.equals("2")){ session.setAttribute("delivermode", "特快专递"); }else{ session.setAttribute("delivermode", "送货上门"); } double totalPrice = bookcart.getTotalPrice(memberID); //总价 session.setAttribute("totalPrice", totalPrice); int totalCount = bookcart.getTotalCount(memberID); //总数量 session.setAttribute("totalCount", totalCount); //获得当前时间 Calendar cal = Calendar.getInstance(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String orderTime = formatter.format(cal.getTime()); //将数据添加到订单表中 order.insertIntoOrders(memberID, orderTime, delivermode, consignee, tel, address, postnumber, paymode, totalPrice, totalCount); //从订单表中获得orderID int orderID = order.getOrderID(memberID); //将数据添加到订单清单表中 order.insertIntoOrderList(orderID, cartID); //从订单清单表中获得数据 List list = new ArrayList(); list = order.getAll(orderID); session.setAttribute("orderlist", list); request.getRequestDispatcher("/orderlist.jsp").forward(request, response); }else if(command.equals("checkcartlist")){ //查看购物车 List list = new ArrayList(); session.setAttribute("totalCount", bookcart.getTotalCount(memberID)); //总数量 session.setAttribute("totalPrice", bookcart.getTotalPrice(memberID)); //总价 session.setAttribute("totalSavePrice", bookcart.getTotalSavePrice(cartID)); //总差价 list = bookdao.getAllForCartList(cartID); //得到所购图书的详细信息 session.setAttribute("cartlist", list); request.getRequestDispatcher("/cartlist.jsp").forward(request, response); }else if(command.equals("continueshopping")){ //继续选购 request.getRequestDispatcher("/booklist.jsp").forward(request, response); }else if(command.equals("backtologin")){ //购物首页 cartlist.deleteACartList(cartID); //删除购物车列表 bookcart.deleteABookCart(cartID); //删除一个购物车 session.invalidate(); request.getRequestDispatcher("/login.jsp").forward(request, response); } } public void init() throws ServletException { // Put your code here } }