JavaSwing版PetStore宠物商店项目源代码

/* * Created by 智捷课堂 * 本书网站：www.51work6.com * 智捷课堂在线课堂：www.zhijieketang.com * 智捷课堂微信公共号：zhijieketang * 邮箱：eorient@sina.com * Java读者服务QQ群：547370999 * 【配套电子书】网址： * 图灵社区： * http://www.ituring.com.cn/book/2480 * 百度阅读： * https://yuedu.baidu.com/ebook/7c1499987e192279168884868762caaedd33ba00 */ //ProductListFrame.java文件 package com.a51work6.jpetstore.ui; import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridLayout; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSeparator; import javax.swing.JSplitPane; import javax.swing.JTable; import javax.swing.ListSelectionModel; import javax.swing.SwingConstants; import javax.swing.table.TableModel; import com.a51work6.jpetstore.dao.ProductDao; import com.a51work6.jpetstore.dao.mysql.ProductDaoImp; import com.a51work6.jpetstore.domain.Product; //商品列表窗口 public class ProductListFrame extends MyFrame { private JTable table; private JLabel lblImage; private JLabel lblListprice; private JLabel lblDescn; private JLabel lblUnitcost; // 商品列表集合 private List<Product> products = null; // 创建商品Dao对象 private ProductDao dao = new ProductDaoImp(); // 购物车，键是选择的商品Id，值是商品的数量 private Map<String, Integer> cart = new HashMap<String, Integer>(); // 选择的商品索引 private int selectedRow = -1; public ProductListFrame() { super("商品列表", 1000, 700); // 查询所有商品 products = dao.findAll(); // 添加顶部搜索面板 getContentPane().add(getSearchPanel(), BorderLayout.NORTH); // 创建分栏面板 JSplitPane splitPane = new JSplitPane(); // 设置指定分隔条位置，从窗格的左边到分隔条的左边 splitPane.setDividerLocation(600); // 设置左侧面板 splitPane.setLeftComponent(getLeftPanel()); // 设置右侧面板 splitPane.setRightComponent(getRightPanel()); // 把分栏面板添加到内容面板 getContentPane().add(splitPane, BorderLayout.CENTER); } // 初始化搜索面板 private JPanel getSearchPanel() { JPanel searchPanel = new JPanel(); FlowLayout flowLayout = (FlowLayout) searchPanel.getLayout(); flowLayout.setVgap(20); flowLayout.setHgap(40); JLabel lbl = new JLabel("选择商品类别："); lbl.setFont(new Font("微软雅黑", Font.PLAIN, 15)); searchPanel.add(lbl); String[] categorys = { "鱼类", "狗类", "爬行类", "猫类", "鸟类" }; JComboBox comboBox = new JComboBox(categorys); comboBox.setFont(new Font("微软雅黑", Font.PLAIN, 15)); searchPanel.add(comboBox); JButton btnGo = new JButton("查询"); btnGo.setFont(new Font("微软雅黑", Font.PLAIN, 15)); searchPanel.add(btnGo); JButton btnReset = new JButton("重置"); btnReset.setFont(new Font("微软雅黑", Font.PLAIN, 15)); searchPanel.add(btnReset); // 注册查询按钮的ActionEvent事件监听器 btnGo.addActionListener(e -> { // 所选择的类别 String category = (String) comboBox.getSelectedItem(); // 按照类别进行查询 products = dao.findByCategory(category); TableModel model = new ProductTableModel(products); table.setModel(model); }); // 注册重置按钮的ActionEvent事件监听器 btnReset.addActionListener(e -> { products = dao.findAll(); TableModel model = new ProductTableModel(products); table.setModel(model); }); return searchPanel; } // 初始化右侧面板 private JPanel getRightPanel() { JPanel rightPanel = new JPanel(); rightPanel.setBackground(Color.WHITE); rightPanel.setLayout(new GridLayout(2, 1, 0, 0)); lblImage = new JLabel(); rightPanel.add(lblImage); lblImage.setHorizontalAlignment(SwingConstants.CENTER); JPanel detailPanel = new JPanel(); detailPanel.setBackground(Color.WHITE); rightPanel.add(detailPanel); detailPanel.setLayout(new GridLayout(8, 1, 0, 5)); JSeparator separator_1 = new JSeparator(); detailPanel.add(separator_1); lblListprice = new JLabel(); detailPanel.add(lblListprice); // 设置字体 lblListprice.setFont(new Font("微软雅黑", Font.PLAIN, 16)); lblUnitcost = new JLabel(); detailPanel.add(lblUnitcost); // 设置字体 lblUnitcost.setFont(new Font("微软雅黑", Font.PLAIN, 16)); lblDescn = new JLabel(); detailPanel.add(lblDescn); // 设置字体 lblDescn.setFont(new Font("微软雅黑", Font.PLAIN, 16)); JSeparator separator_2 = new JSeparator(); detailPanel.add(separator_2); JButton btnAdd = new JButton("添加到购物车"); btnAdd.setFont(new Font("微软雅黑", Font.PLAIN, 15)); detailPanel.add(btnAdd); // 布局占位使用 JLabel lb1 = new JLabel(""); detailPanel.add(lb1); JButton btnCheck = new JButton("查看购物车"); btnCheck.setFont(new Font("微软雅黑", Font.PLAIN, 15)); detailPanel.add(btnCheck); // 注册【添加到购物车】按钮的ActionEvent事件监听器 btnAdd.addActionListener(e -> { if (selectedRow < 0) { return; } // 添加商品到购物车处理 Product selectProduct = products.get(selectedRow); String productid = selectProduct.getProductid(); if (cart.containsKey(productid)) {// 购物车中已经有该商品 // 获得商品数量 Integer quantity = cart.get(productid); cart.put(productid, ++quantity); } else {// 购物车中还没有该商品 cart.put(productid, 1); } System.out.println(cart); }); // 注册【查看购物车】按钮的ActionEvent事件监听器 btnCheck.addActionListener(e -> { CartFrame cartFrame = new CartFrame(cart, this); cartFrame.setVisible(true); setVisible(false); }); return rightPanel; } // 初始化左侧面板 private JScrollPane getLeftPanel() { JScrollPane leftScrollPane = new JScrollPane(); // 将表格作为滚动面板的个视口视图 leftScrollPane.setViewportView(getTable()); return leftScrollPane; } // 初始化左侧面板中的表格控件 private JTable getTable() { TableModel model = new ProductTableModel(this.products); if (table == null) { table = new JTable(model); // 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(true); table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); ListSelectionModel rowSelectionModel = table.getSelectionModel(); rowSelectionModel.addListSelectionListener(e -> { //只处理鼠标释放 if (e.getValueIsAdjusting()) { return; } ListSelectionModel lsm = (ListSelectionModel) e.getSource(); selectedRow = lsm.getMinSelectionIndex(); if (selectedRow < 0) { return; } // 更新右侧面板内容 Product p = products.get(selectedRow); String petImage = String.format("/images/%s", p.getImage()); ImageIcon icon = new ImageIcon(ProductListFrame.class.getResource(petImage)); lblImage.setIcon(icon); String descn = p.getDescn(); lblDescn.setText("商品描述：" + descn); double listprice = p.getListprice(); String slistprice = String.format("商品市场价：%.2f", listprice); lblListprice.setText(slistprice); double unitcost = p.getUnitcost(); String slblUnitcost = String.format("商品单价：%.2f", unitcost); lblUnitcost.setText(slblUnitcost); }); } else { table.setModel(model); } return table; } }