ADD file via upload

CartFrame.java

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+package flowershop.view;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.Font;
+import java.util.Date;
+import java.util.Map;
+import java.util.Set;
+
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.table.TableModel;
+
+import flowershop.dao.OrderDao;
+import flowershop.dao.OrderDetailDao;
+import flowershop.model.Flower;
+import flowershop.model.Order;
+import flowershop.model.OrderDetail;
+import flowershop.model.User;
+import flowershop.dao.FlowerDao;
+import flowershop.daoimpl.FlowerDaoImpl;
+import flowershop.daoimpl.OrderDaoImpl;
+import flowershop.daoimpl.OrderDetailDaoImpl;
+
+//商品购物车窗口
+	public class CartFrame extends MyFrame {
+		
+		private JTable table;
+
+		// 购物车数据
+		private Object[][] data;
+
+		// 创建商品Dao
+		private FlowerDao Dao = new FlowerDaoImpl();
+		
+		// 购物车，键是选择的商品Id，值是商品的数量
+		private Map<String, Integer> cart;
+		// 引用到上级Frame（ProductListFrame）
+		 FlowerListFrame flowerListFrame;
+
+		public CartFrame(Map<String, Integer> cart, FlowerListFrame flowerListFrame) {
+
+			super("商品购物车", 1000, 700);
+			this.cart = cart;
+			this.flowerListFrame = flowerListFrame;
+
+			JPanel topPanel = new JPanel();
+			topPanel.setBackground(new Color(250,220,230));
+			FlowLayout fl_topPanel = (FlowLayout) topPanel.getLayout();
+			fl_topPanel.setVgap(10);
+			fl_topPanel.setHgap(20);
+			getContentPane().add(topPanel, BorderLayout.NORTH);
+
+			JButton btnReturn = new JButton("返回商品列表");
+			btnReturn.setFont(new Font("微软雅黑", Font.PLAIN, 15));
+			topPanel.add(btnReturn);
+
+			JButton btuSubmit = new JButton("提交订单");
+			// 注册【提交订单】按钮的ActionEvent事件监听器
+			btuSubmit.addActionListener(e -> {
+				// 生成订单
+				generateOrders();
+				JLabel label = new JLabel("订单已经生成，等待付款。");
+				btuSubmit.setFont(new Font("微软雅黑", Font.PLAIN, 15));
+				if (JOptionPane.showConfirmDialog(this, label, "信息", JOptionPane.YES_NO_OPTION) == JOptionPane.NO_OPTION) {
+					// TODO 付款
+					System.out.println("未付款");
+					System.exit(0);
+				} else {
+					System.out.println("付款");
+					System.exit(1);
+				}
+			});
+			topPanel.add(btuSubmit);
+
+			JScrollPane scrollPane = new JScrollPane();
+			getContentPane().add(scrollPane, BorderLayout.CENTER);
+			scrollPane.setViewportView(getTable());
+
+			
+
+			// 注册【返回商品列表】按钮的ActionEvent事件监听器
+			btnReturn.addActionListener(e -> {
+				// 更新购物车
+				for (int i = 0; i < data.length; i++) {
+					// 商品编号
+					String productid = (String) data[i][0];
+					// 数量
+					Integer quantity = (Integer) data[i][3];
+					cart.put(productid, quantity);
+				}
+					
+				this.flowerListFrame.setVisible(true);
+				this.setVisible(false);
+			});
+		
+		}
+
+		// 初始化左侧面板中的表格控件
+		private JTable getTable() {
+
+			// 准备表中数据
+			data = new Object[cart.size()][5];
+			Set<String> keys = this.cart.keySet();
+			int indx = 0;
+			for (String productid : keys) {
+				Flower f = Dao.findById(productid);
+				data[indx][0] = f.getProductid();// 商品编号
+				data[indx][1] = f.getName();// 商品名
+				data[indx][2] = new Double(f.getPrice());// 商品单价
+				data[indx][3] = new Integer(cart.get(productid));// 数量
+				// 计算商品应付金额
+				double amount = (double) data[indx][2] * (int) data[indx][3];
+				data[indx][4] = new Double(amount);
+				indx++;
+			}
+
+			// 创建表数据模型
+			TableModel model = new CartTableModel(data);
+
+			if (table == null) {
+				// 创建表
+				table = new JTable(model);
+				table.setBackground(new Color(250,220,230));
+				// 设置表中内容字体
+				table.setFont(new Font("微软雅黑", Font.PLAIN, 16));
+				// 设置表列标题字体
+				table.getTableHeader().setFont(new Font("微软雅黑", Font.BOLD, 16));
+				// 设置表行高
+				table.setRowHeight(51);
+				table.setRowSelectionAllowed(false);
+
+			} else {
+				table.setModel(model);
+			}
+			return table;
+		}
+
+		// 生成订单
+		private void generateOrders() {
+			// Example: Initialize the user before using it
+			MainApp.user = new User();
+			String someUserId = null;
+			MainApp.user.setUserid(someUserId);
+			if (MainApp.user != null) {
+			    String userId = MainApp.user.getUserid();
+			    // Continue processing with userId
+			} else {
+			    // Handle the case where user is null
+			    System.out.println("未初始化用户");
+			}
+
+
+			OrderDao orderDao = new OrderDaoImpl();
+			OrderDetailDao orderDetailDao = new OrderDetailDaoImpl();
+			Order order = new Order();
+			order.setUserid(MainApp.user.getUserid());
+			// 0待付款
+			order.setStatus(0);
+			// 订单Id是当前时间
+			Date now = new Date();
+			long orderid = now.getTime();
+			order.setOrderid(orderid);
+			order.setOrderdate(now);
+			order.setAmount(getOrderTotalAmount());
+
+			// 下订单时间是数据库自动生成不用设置
+			// 创建订单
+			orderDao.create(order);
+
+			for (int i = 0; i < data.length; i++) {
+
+				OrderDetail orderDetail = new OrderDetail();
+				orderDetail.setOrderid(orderid);
+				orderDetail.setProductid((String) data[i][0]);
+				orderDetail.setQuantity((int) data[i][3]);
+				orderDetail.setPrice((double) data[i][2]);
+				// 创建订单详细
+				orderDetailDao.create(orderDetail);
+			}
+		}
+
+		// 计算订单应付总金额
+		private double getOrderTotalAmount() {
+
+			double totalAmount = 0.0;
+			for (int i = 0; i < data.length; i++) {
+				// 计算商品应付金额
+				totalAmount += (Double) data[i][4];
+			}
+			return totalAmount;
+		}
+	}
+
+