列表显示图片，添加时添加图片，物品分类别

src/main/java/com/example/Home.java

@@ -11,7 +11,8 @@ public class Home extends JFrame implements ActionListener {
 
     JMenuBar menuBar;
     //    库存菜单    进货菜单       销售菜单
-    JMenuItem StockMenu,InventoryMenu,SalesMenu,UserMenu;
+    JButton StockMenu,InventoryMenu,SalesMenu,UserMenu;
+    private String userIdentity;
     class BackgroundPanel extends JPanel {
         private Image bg;
         public BackgroundPanel(String path) {
@@ -33,9 +34,9 @@ public class Home extends JFrame implements ActionListener {
         setContentPane(bgPanel);
 
         menuBar = new JMenuBar();
-        StockMenu = new JMenuItem("库存信息管理");
-        InventoryMenu = new JMenuItem("进货信息管理");
-        SalesMenu = new JMenuItem("销售信息管理");
+        StockMenu = new JButton("库存信息管理");
+        InventoryMenu = new JButton("进货信息管理");
+        SalesMenu = new JButton("销售信息管理");
         menuBar.add(StockMenu);
         menuBar.add(InventoryMenu);
         menuBar.add(SalesMenu);
@@ -48,13 +49,13 @@ public class Home extends JFrame implements ActionListener {
         try {
             ResultSet rs = jdbc.query(sql);
             if(rs.next()){
-                username = rs.getString("identity");
+                userIdentity = rs.getString("identity");
             }
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }
-        if(username.equals("admin")){
-            UserMenu = new JMenuItem("用户管理");
+        if(userIdentity.equals("admin")){
+            UserMenu = new JButton("用户管理");
             menuBar.add(UserMenu);
             UserMenu.addActionListener(this);
         }
@@ -72,7 +73,7 @@ public class Home extends JFrame implements ActionListener {
             new InventoryProductManagement();
         }
         if(e.getSource()==SalesMenu){
-            new SalesProductManagement();
+            new SalesProductManagement(userIdentity);
         }
         if(e.getSource()==UserMenu){
             new UserManagement();

src/main/java/com/example/InventoryProductManagement.java

@@ -2,184 +2,263 @@ package com.example;
 
 import javax.swing.*;
 import javax.swing.table.DefaultTableModel;
+import javax.swing.table.TableCellRenderer;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
 public class InventoryProductManagement extends JFrame implements ActionListener {
-    JMenuBar menuBar;//创建主菜单栏容器
-    JMenu menu;//创建顶级菜单项“菜单”
-    JMenuItem menuItem1,menuItem2,menuItem3;//创建菜单子项（添加/删除商品）
-    private JTable table;//表格组件，用于展示商品数据
-    private DefaultTableModel tableModel;//表格数据模型
-    InventoryProductManagement() {
-        super("进货信息管理");//设置窗口标题
-        menuBar = new JMenuBar();//实例化菜单栏
-        setJMenuBar(menuBar);//将菜单栏添加到窗体顶部
-        menu = new JMenu("菜单");//创建顶级菜单“菜单”
-        menuBar.add(menu);//将菜单添加到菜单栏
-        //创建菜单项
-        menuItem1 = new JMenuItem("进货");
-        menuItem2 = new JMenuItem("删除");
-        menuItem3 = new JMenuItem("帮助");
-        //添加菜单项到菜单
-        menu.add(menuItem1);
-        menu.add(menuItem2);
-        menu.add(menuItem3);
-//        menu.add(menuItem3);
-        //注册菜单项点击监听器（this表示当前类处理事件）
-        menuItem1.addActionListener(this);
-        menuItem2.addActionListener(this);
-        menuItem3.addActionListener(this);
-//        menuItem3.addActionListener(this);
-        setSize(500,500);//设置窗口大小
-        setLocationRelativeTo(null);//窗口居中显示
-        // 表格初始化
-        String[] columnNames = {"商品名称（种类）", "商品数量（件）", "进货单价（元）"};//定义表头，此处更改表头文字展示
-        tableModel = new DefaultTableModel(columnNames, 0);//创建空表格模型
-        table = new JTable(tableModel);//基于模型创建表格
+    private JMenuBar menuBar;
+    private JMenuItem menuItemAdd, menuItemDelete;
+    private JTable table;
+    private DefaultTableModel tableModel;
+    private String selectedImagePath = null;
+
+    public InventoryProductManagement() {
+        super("进货信息管理");
+        menuBar = new JMenuBar();
+        setJMenuBar(menuBar);
+
+        menuItemAdd = new JMenuItem("进货");
+        menuItemDelete = new JMenuItem("删除");
+        menuBar.add(menuItemAdd);
+        menuBar.add(menuItemDelete);
+
+        menuItemAdd.addActionListener(this);
+        menuItemDelete.addActionListener(this);
+
+        setSize(600, 500);
+        setLocationRelativeTo(null);
+
+        // 表格初始化
+        String[] columnNames = {"商品照片","商品名称","商品类别","商品数量（件）","进货单价（元）"};
+        tableModel = new DefaultTableModel(columnNames, 0) {
+            @Override
+            public Class<?> getColumnClass(int column) {
+                if (column == 0) return Icon.class;
+                return super.getColumnClass(column);
+            }
+
+            @Override
+            public boolean isCellEditable(int row, int column) {
+                return false;
+            }
+        };
+
+        table = new JTable(tableModel);
+        table.setRowHeight(60); // 设置行高以显示图片
+
+        // 自定义图片单元格渲染
+        table.getColumnModel().getColumn(0).setCellRenderer(new TableCellRenderer() {
+            JLabel label = new JLabel();
+            @Override
+            public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
+                label.setHorizontalAlignment(JLabel.CENTER);
+                label.setIcon((Icon) value);
+                return label;
+            }
+        });
 
-        // 添加带滚动条的表格面板到窗口中央
         JScrollPane scrollPane = new JScrollPane(table);
         add(scrollPane, BorderLayout.CENTER);
-
-        // 初始化加载数据库数据
-        loadData();//加载数据库数据到表格
-        setVisible(true);//显示窗口
+        loadData(); // 初始化加载数据
+        setVisible(true);
     }
 
+    // 加载数据库数据
     private void loadData() {
-        Jdbc jdbc = new Jdbc();//创建数据库连接对象
+        Jdbc jdbc = new Jdbc();
         try {
-            //执行SQL查询（获取商品名称/库存/进阶/售价/利润/销量）
-            ResultSet rs = jdbc.query("SELECT name,count,purchase_price,selling_price,profit,quantity_sold FROM commodity");
-            // 清空旧数据
-            tableModel.setRowCount(0);//清空表格现有数据
-            // 填充新数据（遍历查询结果）
+            ResultSet rs = jdbc.query("SELECT name, type, count, purchase_price, image_path FROM commodity");
+            tableModel.setRowCount(0); // 清空表格
             while (rs.next()) {
-                //构建表格行数据（只显示名称/库存/进阶）
-                Object[] row = {
-                        rs.getString("name"),
-                        rs.getInt("count"),
-                        rs.getDouble("purchase_price"),
-                };
-                tableModel.addRow(row);//添加数据行到表格
+                String name = rs.getString("name");
+                String type = rs.getString("type");
+                int count = rs.getInt("count");
+                double price = rs.getDouble("purchase_price");
+                String imagePath = rs.getString("image_path");
+
+                ImageIcon icon = null;
+                if (imagePath != null && !imagePath.isEmpty()) {
+                    File imgFile = new File("images/" + imagePath);
+                    if (imgFile.exists()) {
+                        icon = new ImageIcon(new ImageIcon(imgFile.getAbsolutePath())
+                                .getImage().getScaledInstance(50, 50, Image.SCALE_SMOOTH));
+                    }
+                }
+
+                Object[] row = {icon, name, type, count, price};
+                tableModel.addRow(row);
             }
-            rs.close();//关闭结果集
-            jdbc.close();//关闭数据库连接
+            rs.close();
+            jdbc.close();
         } catch (SQLException e) {
             e.printStackTrace();
-            JOptionPane.showMessageDialog(this, "加载数据失败: " + e.getMessage());//弹出错误提示
+            JOptionPane.showMessageDialog(this, "加载数据失败: " + e.getMessage());
         }
     }
 
     @Override
     public void actionPerformed(ActionEvent e) {
-        if (e.getSource() == menuItem1) {
-            JFrame frame = new JFrame();//创建添加窗口
-            frame.setTitle("添加商品");
-            frame.setLayout(new GridLayout(4, 2));//四行两列网格布局
-            //创建输入组件
-            JLabel nameLabel = new JLabel("商品名称:");
-            JTextField nameField = new JTextField();
-            JLabel countLabel = new JLabel("商品数量:");
-            JTextField countField = new JTextField();
-            JLabel purchasePriceLabel = new JLabel("进货单价:");
-            JTextField purchasePriceField = new JTextField();
-            //添加按钮和取消按钮
-            JButton addButton = new JButton("添加");
-            JButton cancelButton = new JButton("取消");
-            //将组件添加到窗口
-            frame.add(nameLabel);
-            frame.add(nameField);
-            frame.add(countLabel);
-            frame.add(countField);
-            frame.add(purchasePriceLabel);
-            frame.add(purchasePriceField);
-            frame.add(addButton);
-            frame.add(cancelButton);
-            //添加按钮事件
-            addButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    //获取输入值
-                    String name = nameField.getText();
-                    int count = Integer.parseInt(countField.getText());
-                    double purchasePrice = Double.parseDouble(purchasePriceField.getText());
-                    // 调用数据库添加方法 执行SQL插入（初始化销量为0）
-                    Jdbc jdbc = new Jdbc();
-                    try {
-                        jdbc.update("INSERT INTO commodity (name, count, purchase_price,  quantity_sold) VALUES ('" + name + "', " + count + ", " + purchasePrice + ", " + 0 + ");");
-                        jdbc.close();
-                        // 刷新数据
-                        loadData();//刷新表格数据
-                        // 关闭弹窗
-                        frame.dispose();//关闭添加窗口
-                    } catch (SQLException ex) {
-                        ex.printStackTrace();
-                        JOptionPane.showMessageDialog(frame, "添加商品失败: " + ex.getMessage());
-                    }
-                }
-            });
-            cancelButton.addActionListener(new ActionListener() {//取消按钮事件
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    frame.dispose();
-                }
-            });
-            frame.setSize(300, 200);
-            frame.setLocationRelativeTo(null);
-            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-            frame.setVisible(true);
-        }
-        else if (e.getSource() == menuItem2) {
-            JFrame frame = new JFrame();//创建删除窗口
-            frame.setTitle("删除商品");
-            frame.setLayout(new GridLayout(2, 2));
-            JLabel nameLabel = new JLabel("商品名称:");
-            JTextField nameField = new JTextField();
-            JButton deleteButton = new JButton("删除");
-            JButton cancelButton = new JButton("取消");
-            frame.add(nameLabel);
-            frame.add(nameField);
-            frame.add(deleteButton);
-            frame.add(cancelButton);
-            //删除按钮事件
-            deleteButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    String name = nameField.getText();//获取要删除的商品名
-                    // 调用数据库删除方法
-                    Jdbc jdbc = new Jdbc();
-                    try {
-                        //执行SQL删除
-                        jdbc.update("DELETE FROM commodity WHERE name='" + name + "'");
-                        jdbc.close();
-                        // 刷新表格
-                        loadData();
-                        // 关闭弹窗
-                        frame.dispose();
-                    } catch (SQLException ex) {
-                        ex.printStackTrace();
-                        JOptionPane.showMessageDialog(frame, "删除商品失败: " + ex.getMessage());
-                    }
-                }
-            });
-            cancelButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    frame.dispose();
-                }
-            });
-            frame.setSize(300, 200);
-            frame.setLocationRelativeTo(null);
-            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-            frame.setVisible(true);
+        if (e.getSource() == menuItemAdd) {
+            showAddProductWindow();
+        } else if (e.getSource() == menuItemDelete) {
+            showDeleteProductWindow();
         }
     }
+
+    private void showAddProductWindow() {
+        JFrame frame = new JFrame("添加商品");
+        frame.setLayout(new GridLayout(6,2));
+
+        JLabel nameLabel = new JLabel("商品名称:");
+        JTextField nameField = new JTextField();
+
+        JLabel countLabel = new JLabel("商品数量:");
+        JTextField countField = new JTextField();
+
+        JLabel purchasePriceLabel = new JLabel("进货单价:");
+        JTextField purchasePriceField = new JTextField();
+
+        JLabel typeLabel = new JLabel("商品类别:");
+        String[] categories = {"食品","生活用品","娱乐物品","学习物品","其他物品"};
+        JComboBox<String> typeComboBox = new JComboBox<>(categories);
+
+        JLabel imageLabel = new JLabel("商品图片:");
+        JButton chooseImageButton = new JButton("选择图片");
+
+        JButton addButton = new JButton("添加");
+        JButton cancelButton = new JButton("取消");
+
+        frame.add(nameLabel); frame.add(nameField);
+        frame.add(countLabel); frame.add(countField);
+        frame.add(purchasePriceLabel); frame.add(purchasePriceField);
+        frame.add(typeLabel); frame.add(typeComboBox);
+        frame.add(imageLabel); frame.add(chooseImageButton);
+        frame.add(addButton); frame.add(cancelButton);
+
+        // 图片选择事件
+        chooseImageButton.addActionListener(ev -> {
+            JFileChooser fileChooser = new JFileChooser();
+            fileChooser.setDialogTitle("选择商品图片");
+            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            int result = fileChooser.showOpenDialog(frame);
+            if(result == JFileChooser.APPROVE_OPTION) {
+                File selectedFile = fileChooser.getSelectedFile();
+                selectedImagePath = selectedFile.getAbsolutePath();
+                JOptionPane.showMessageDialog(frame, "已选择图片: " + selectedFile.getName());
+            }
+        });
+
+        // 添加按钮事件
+        addButton.addActionListener(ev -> {
+            String name = nameField.getText();
+            int count;
+            double purchasePrice;
+            try {
+                count = Integer.parseInt(countField.getText());
+                purchasePrice = Double.parseDouble(purchasePriceField.getText());
+            } catch (NumberFormatException ex) {
+                JOptionPane.showMessageDialog(frame, "数量和价格必须为数字");
+                return;
+            }
+            String type = (String) typeComboBox.getSelectedItem();
+            String savedImageFileName = null;
+
+            if(selectedImagePath != null) {
+                try {
+                    File imageDir = new File("images");
+                    if(!imageDir.exists()) imageDir.mkdir();
+                    String extension = selectedImagePath.substring(selectedImagePath.lastIndexOf("."));
+                    savedImageFileName = name + System.currentTimeMillis() + extension;
+                    Path targetPath = Paths.get("images", savedImageFileName);
+                    Files.copy(Paths.get(selectedImagePath), targetPath, StandardCopyOption.REPLACE_EXISTING);
+                } catch (IOException ex) {
+                    ex.printStackTrace();
+                    JOptionPane.showMessageDialog(frame, "图片保存失败: " + ex.getMessage());
+                    return;
+                }
+            }
+
+            Jdbc jdbc = new Jdbc();
+            try {
+                String sql = "INSERT INTO commodity (name, count, purchase_price, quantity_sold, type, image_path) " +
+                        "VALUES ('"+name+"', "+count+", "+purchasePrice+", 0, '"+type+"', '"+(savedImageFileName != null ? savedImageFileName : "")+"');";
+                jdbc.update(sql);
+                jdbc.close();
+                loadData();
+                frame.dispose();
+            } catch (SQLException ex) {
+                ex.printStackTrace();
+                JOptionPane.showMessageDialog(frame,"添加商品失败: "+ex.getMessage());
+            }
+        });
+
+        cancelButton.addActionListener(ev -> frame.dispose());
+
+        frame.setSize(400, 300);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        frame.setVisible(true);
+    }
+
+    private void showDeleteProductWindow() {
+        JFrame frame = new JFrame("删除商品");
+        frame.setLayout(new GridLayout(2,2));
+        JLabel nameLabel = new JLabel("商品名称:");
+        JTextField nameField = new JTextField();
+        JButton deleteButton = new JButton("删除");
+        JButton cancelButton = new JButton("取消");
+        frame.add(nameLabel); frame.add(nameField);
+        frame.add(deleteButton); frame.add(cancelButton);
+
+        deleteButton.addActionListener(ev -> {
+            String name = nameField.getText();
+            Jdbc jdbc = new Jdbc();
+            try {
+                // 查询要删除的图片路径
+                ResultSet rs = jdbc.query("SELECT image_path FROM commodity WHERE name='"+name+"'");
+                String imagePath = null;
+                if(rs.next()) {
+                    imagePath = rs.getString("image_path");
+                }
+                rs.close();
+
+                // 删除数据库记录
+                jdbc.update("DELETE FROM commodity WHERE name='"+name+"'");
+                jdbc.close();
+
+                // 删除图片文件
+                if(imagePath != null && !imagePath.isEmpty()) {
+                    File imgFile = new File("images/"+imagePath);
+                    if(imgFile.exists()) imgFile.delete();
+                }
+
+                loadData();
+                frame.dispose();
+            } catch (SQLException ex) {
+                ex.printStackTrace();
+                JOptionPane.showMessageDialog(frame, "删除商品失败: "+ex.getMessage());
+            }
+        });
+
+        cancelButton.addActionListener(ev -> frame.dispose());
+
+        frame.setSize(300,200);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        frame.setVisible(true);
+    }
+
     public static void main(String[] args) {
-        new InventoryProductManagement();//启动应用程序
+        SwingUtilities.invokeLater(InventoryProductManagement::new);
     }
 }

src/main/java/com/example/SalesProductManagement.java

@@ -1,127 +1,151 @@
 package com.example;
 
 import javax.swing.*;
+import javax.swing.event.TableModelEvent;
+import javax.swing.event.TableModelListener;
 import javax.swing.table.DefaultTableModel;
+import javax.swing.table.TableCellRenderer;
 import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
+import java.io.File;
 import java.sql.ResultSet;
-import java.sql.SQLException;
 
-public class SalesProductManagement extends JFrame implements ActionListener {
+public class SalesProductManagement extends JFrame {
+
     private JTable table;
     private DefaultTableModel tableModel;
-    private JTextField idField, nameField, phoneField, addressField;
-    private JButton addBtn;
+    private JTextField totalField;
+    private JButton checkoutBtn;
+    private String userIdentity; // 当前用户身份
 
-    public SalesProductManagement() {
+    public SalesProductManagement(String identity) {
+        this.userIdentity = identity;
 
-        setTitle("商品信息管理");
-        setSize(800, 600);
+        setTitle("商品销售信息管理");
+        setSize(900, 600);
         setLocationRelativeTo(null);
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        // 创建主面板
         JPanel mainPanel = new JPanel(new BorderLayout());
 
-        // 创建表格面板
-        JPanel tablePanel = new JPanel(new BorderLayout());
-        tablePanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+        // 表格
+        String[] columnNames = {"商品图片","名称","类别","单价","购买数量"};
+        tableModel = new DefaultTableModel(columnNames,0){
+            @Override
+            public boolean isCellEditable(int row, int column){
+                if(column == 3) return "admin".equals(userIdentity); // 单价列 admin 可编辑
+                return column == 4; // 购买数量列所有用户可编辑
+            }
 
-        // 创建表格模型
-        String[] columnNames = {"名称", "单价", "购买数量"};
-        tableModel = new DefaultTableModel(columnNames, 0);
+            @Override
+            public Class<?> getColumnClass(int column){
+                if(column==0) return Icon.class;
+                if(column==3) return Double.class;
+                if(column==4) return Integer.class;
+                return String.class;
+            }
+        };
         table = new JTable(tableModel);
-        table.setFont(new Font("微软雅黑", Font.PLAIN, 14));
-        table.getTableHeader().setFont(new Font("微软雅黑", Font.BOLD, 14));
-        table.setRowHeight(25);
+        table.setRowHeight(60);
+
+        // 图片渲染器
+        table.getColumnModel().getColumn(0).setCellRenderer(new TableCellRenderer() {
+            JLabel label = new JLabel();
+            @Override
+            public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column){
+                label.setHorizontalAlignment(JLabel.CENTER);
+                label.setIcon((Icon)value);
+                return label;
+            }
+        });
 
-        // 添加滚动面板
         JScrollPane scrollPane = new JScrollPane(table);
-        tablePanel.add(scrollPane, BorderLayout.CENTER);
+        mainPanel.add(scrollPane, BorderLayout.CENTER);
 
-        // 创建输入面板
-        JPanel inputPanel = new JPanel(new GridLayout(1, 2, 10, 10));
-        inputPanel.setBorder(BorderFactory.createTitledBorder("结算信息"));
-        inputPanel.setFont(new Font("微软雅黑", Font.PLAIN, 14));
-
-        addBtn = new JButton("结算");
-        addBtn.addActionListener(this);
-
-
-        inputPanel.add(addBtn);
-
-        inputPanel.add(new JLabel("共计:"));
-        addressField = new JTextField();
-        inputPanel.add(addressField);
-
-
-
-
-        // 组装面板
-        mainPanel.add(tablePanel, BorderLayout.CENTER);
-        mainPanel.add(inputPanel, BorderLayout.SOUTH);
+        // 结算面板
+        JPanel checkoutPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT,10,10));
+        checkoutBtn = new JButton("结算");
+        totalField = new JTextField(10);
+        totalField.setEditable(false);
+        checkoutPanel.add(new JLabel("总金额:"));
+        checkoutPanel.add(totalField);
+        checkoutPanel.add(checkoutBtn);
+        mainPanel.add(checkoutPanel, BorderLayout.SOUTH);
 
         add(mainPanel);
 
         loadData();
 
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        checkoutBtn.addActionListener(e -> calculateTotal());
+
+        // 监听单元格变化，修改后立即更新数据库
+        tableModel.addTableModelListener(e -> {
+            if(e.getType() == TableModelEvent.UPDATE){
+                int row = e.getFirstRow();
+                int col = e.getColumn();
+                String name = tableModel.getValueAt(row,1).toString(); // 商品名称
+                try{
+                    Jdbc jdbc = new Jdbc();
+                    if(col == 3 && "admin".equals(userIdentity)){ // 单价
+                        double price = Double.parseDouble(tableModel.getValueAt(row,3).toString());
+                        jdbc.update("UPDATE commodity SET selling_price="+price+" WHERE name='"+name+"'");
+                    } else if(col == 4){ // 购买数量
+                        int quantity = Integer.parseInt(tableModel.getValueAt(row,4).toString());
+                        jdbc.update("UPDATE commodity SET quantity_sold="+quantity+" WHERE name='"+name+"'");
+                    }
+                    jdbc.close();
+                }catch(Exception ex){
+                    ex.printStackTrace();
+                    JOptionPane.showMessageDialog(this,"更新数据库失败: "+ex.getMessage());
+                }
+            }
+        });
+
         setVisible(true);
-
     }
 
-    //主类，调试
-    public static void main(String[] args) {
-        new  SalesProductManagement();
-    }
-
-
-
-    private void loadData() {
+    private void loadData(){
         Jdbc jdbc = new Jdbc();
-        try {
-            ResultSet rs = jdbc.query("SELECT name,selling_price,quantity_sold FROM commodity");
-            // 清空旧数据
+        try{
+            ResultSet rs = jdbc.query("SELECT name,selling_price,quantity_sold,type,image_path FROM commodity");
             tableModel.setRowCount(0);
-            // 填充新数据
-            while (rs.next()) {
-                Object[] row = {
-                        rs.getString("name"),
-                        rs.getDouble("selling_price"),
-                        rs.getInt("quantity_sold"),
-                };
+            while(rs.next()){
+                String name = rs.getString("name");
+                double price = rs.getDouble("selling_price");
+                int quantity = rs.getInt("quantity_sold");
+                String type = rs.getString("type");
+                String imagePath = rs.getString("image_path");
+
+                ImageIcon icon = null;
+                if(imagePath!=null && !imagePath.isEmpty()){
+                    File imgFile = new File("images/"+imagePath);
+                    if(imgFile.exists()){
+                        icon = new ImageIcon(new ImageIcon(imgFile.getAbsolutePath())
+                                .getImage().getScaledInstance(50,50,Image.SCALE_SMOOTH));
+                    }
+                }
+
+                Object[] row = {icon,name,type,price,quantity};
                 tableModel.addRow(row);
             }
             rs.close();
             jdbc.close();
-        } catch (SQLException e) {
+        }catch(Exception e){
             e.printStackTrace();
-            JOptionPane.showMessageDialog(this, "加载数据失败: " + e.getMessage());
+            JOptionPane.showMessageDialog(this,"加载数据失败: "+e.getMessage());
         }
     }
 
-    @Override
-    public void actionPerformed(ActionEvent e) {
-        if(e.getSource() == addBtn) {
-            double total = 0.0;  // 总金额
-
-            // 获取表格的行数
-            int rowCount = tableModel.getRowCount();
-
-            // 遍历每一行数据
-            for(int i = 0; i < rowCount; i++) {
-                // 获取单价（第1列，索引从0开始）
-                double price = (double) tableModel.getValueAt(i, 1);
-                // 获取数量（第2列）
-                int quantity = (int) tableModel.getValueAt(i, 2);
-
-                // 计算该行的金额并累加到总金额
-                total += price * quantity;
-            }
-
-            // 在文本框中显示总金额
-            addressField.setText(String.format("%.2f", total) + " 元");
+    private void calculateTotal(){
+        double total = 0.0;
+        for(int i=0;i<tableModel.getRowCount();i++){
+            double price = Double.parseDouble(tableModel.getValueAt(i,3).toString());
+            int quantity = Integer.parseInt(tableModel.getValueAt(i,4).toString());
+            total += price*quantity;
         }
+        totalField.setText(String.format("%.2f 元",total));
     }
-}
+
+    public static void main(String[] args){
+        new SalesProductManagement("admin"); // 测试 admin
+    }
+}

src/main/java/com/example/StockProductManagement.java

@@ -2,56 +2,76 @@ package com.example;
 
 import javax.swing.*;
 import javax.swing.table.DefaultTableModel;
+import javax.swing.table.TableCellRenderer;
 import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
 import java.sql.ResultSet;
-import java.sql.SQLException;
 
-public class StockProductManagement extends JFrame implements ActionListener {
+public class StockProductManagement extends JFrame implements java.awt.event.ActionListener {
 
     JMenuBar menuBar;
-    JMenu menu;
-    JMenuItem menuItem1,menuItem2,menuItem3;
+    JMenuItem menuItemAdd, menuItemDelete;
     private JTable table;
     private DefaultTableModel tableModel;
-    StockProductManagement() {
+    private String selectedImagePath = null;
+
+    public StockProductManagement() {
         super("库存商品信息管理");
         menuBar = new JMenuBar();
         setJMenuBar(menuBar);
-        menu = new JMenu("菜单");
-        menuBar.add(menu);
-        menuItem1 = new JMenuItem("添加商品");
-        menuItem2 = new JMenuItem("删除商品");
-        menu.add(menuItem1);
-        menu.add(menuItem2);
-//        menu.add(menuItem3);
-        menuItem1.addActionListener(this);
-        menuItem2.addActionListener(this);
-//        menuItem3.addActionListener(this);
-        setSize(500,500);
+
+        menuItemAdd = new JMenuItem("添加商品");
+        menuItemDelete = new JMenuItem("删除商品");
+        menuBar.add(menuItemAdd);
+        menuBar.add(menuItemDelete);
+
+        menuItemAdd.addActionListener(this);
+        menuItemDelete.addActionListener(this);
+
+        setSize(800, 500);
         setLocationRelativeTo(null);
 
-        // 表头
-        String[] columnNames = {"商品名称", "商品数量", "进货单价", "销售单价", "单个利润","销售数量"};
+        // 表头增加“商品类别”列
+        String[] columnNames = {"商品照片","商品名称","商品类别","商品数量","进货单价","销售单价","单个利润","销售数量"};
         tableModel = new DefaultTableModel(columnNames, 0){
             @Override
             public boolean isCellEditable(int row, int column) {
-                return column == 5;
+                return column == 7; // 只有销售数量可编辑
+            }
+
+            @Override
+            public Class<?> getColumnClass(int column) {
+                if(column == 0) return Icon.class; // 图片列
+                return super.getColumnClass(column);
             }
         };
         table = new JTable(tableModel);
+        table.setRowHeight(60);
 
-        // 监听单元格编辑完成事件，自动更新数据库
+        // 图片渲染器
+        table.getColumnModel().getColumn(0).setCellRenderer(new TableCellRenderer() {
+            JLabel label = new JLabel();
+            @Override
+            public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
+                label.setHorizontalAlignment(JLabel.CENTER);
+                label.setIcon((Icon)value);
+                return label;
+            }
+        });
+
+        // 销售数量编辑事件
         table.getModel().addTableModelListener(e -> {
             int row = e.getFirstRow();
             int column = e.getColumn();
-
-            if (column == 5) { // 销售数量列
-                String name = (String) tableModel.getValueAt(row, 0); // 商品名称
+            if(column == 7) { // 销售数量列
+                String name = (String)tableModel.getValueAt(row, 1);
                 Object value = tableModel.getValueAt(row, column);
-
-                if (value != null && !value.toString().trim().isEmpty()) {
+                if(value != null && !value.toString().trim().isEmpty()) {
                     try {
                         int quantitySold = Integer.parseInt(value.toString().trim());
                         Jdbc jdbc = new Jdbc();
@@ -64,143 +84,188 @@ public class StockProductManagement extends JFrame implements ActionListener {
             }
         });
 
-
-        // 滚动面板
         JScrollPane scrollPane = new JScrollPane(table);
         add(scrollPane, BorderLayout.CENTER);
 
-        // 初始化加载数据库数据
         loadData();
         setVisible(true);
     }
+
     @Override
-    public void actionPerformed(ActionEvent e) {
-        if (e.getSource() == menuItem1) {
-            JFrame frame = new JFrame();
-            frame.setTitle("添加商品");
-            frame.setLayout(new GridLayout(5, 2));
-            JLabel nameLabel = new JLabel("商品名称:");
-            JTextField nameField = new JTextField();
-            JLabel countLabel = new JLabel("商品数量:");
-            JTextField countField = new JTextField();
-            JLabel purchasePriceLabel = new JLabel("进货单价:");
-            JTextField purchasePriceField = new JTextField();
-            JLabel sellingPriceLabel = new JLabel("销售单价:");
-            JTextField sellingPriceField = new JTextField();
-            JButton addButton = new JButton("添加");
-            JButton cancelButton = new JButton("取消");
-            frame.add(nameLabel);
-            frame.add(nameField);
-            frame.add(countLabel);
-            frame.add(countField);
-            frame.add(purchasePriceLabel);
-            frame.add(purchasePriceField);
-            frame.add(sellingPriceLabel);
-            frame.add(sellingPriceField);
-            frame.add(addButton);
-            frame.add(cancelButton);
-            addButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    String name = nameField.getText();
-                    int count = Integer.parseInt(countField.getText());
-                    double purchasePrice = Double.parseDouble(purchasePriceField.getText());
-                    double sellingPrice = Double.parseDouble(sellingPriceField.getText());
-                    // 调用数据库添加方法
-                    Jdbc jdbc = new Jdbc();
-                    try {
-                        jdbc.update("INSERT INTO commodity (name, count, purchase_price, selling_price, profit) VALUES ('" + name + "', " + count + ", " + purchasePrice + ", " + sellingPrice + ", " + (sellingPrice - purchasePrice) + ", 0);");
-                        jdbc.close();
-                        // 刷新数据
-                        loadData();
-                        // 关闭弹窗
-                        frame.dispose();
-                    } catch (SQLException ex) {
-                        ex.printStackTrace();
-                        JOptionPane.showMessageDialog(frame, "添加商品失败: " + ex.getMessage());
-                    }
-                }
-            });
-            cancelButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    frame.dispose();
-                }
-            });
-            frame.setSize(300, 200);
-            setLocationRelativeTo(null);
-            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-            frame.setVisible(true);
-        }
-        else if (e.getSource() == menuItem2) {
-            JFrame frame = new JFrame();
-            frame.setTitle("删除商品");
-            frame.setLayout(new GridLayout(2, 2));
-            JLabel nameLabel = new JLabel("商品名称:");
-            JTextField nameField = new JTextField();
-            JButton deleteButton = new JButton("删除");
-            JButton cancelButton = new JButton("取消");
-            frame.add(nameLabel);
-            frame.add(nameField);
-            frame.add(deleteButton);
-            frame.add(cancelButton);
-            deleteButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    String name = nameField.getText();
-                    // 调用数据库删除方法
-                    Jdbc jdbc = new Jdbc();
-                    try {
-                        jdbc.update("DELETE FROM commodity WHERE name='" + name + "'");
-                        jdbc.close();
-                        // 刷新数据
-                        loadData();
-                        // 关闭弹窗
-                        frame.dispose();
-                    } catch (SQLException ex) {
-                        ex.printStackTrace();
-                        JOptionPane.showMessageDialog(frame, "删除商品失败: " + ex.getMessage());
-                    }
-                }
-            });
-            cancelButton.addActionListener(new ActionListener() {
-                @Override
-                public void actionPerformed(ActionEvent e) {
-                    frame.dispose();
-                }
-            });
-            frame.setSize(300, 200);
-            setLocationRelativeTo(null);
-            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-            frame.setVisible(true);
+    public void actionPerformed(java.awt.event.ActionEvent e) {
+        if(e.getSource() == menuItemAdd){
+            showAddProductWindow();
+        } else if(e.getSource() == menuItemDelete){
+            deleteSelectedProduct();
         }
     }
 
-    private void loadData() {
+    private void showAddProductWindow(){
+        JFrame frame = new JFrame("添加商品");
+        frame.setLayout(new GridLayout(7,2));
+
+        JLabel nameLabel = new JLabel("商品名称:");
+        JTextField nameField = new JTextField();
+        JLabel countLabel = new JLabel("商品数量:");
+        JTextField countField = new JTextField();
+        JLabel purchasePriceLabel = new JLabel("进货单价:");
+        JTextField purchasePriceField = new JTextField();
+        JLabel sellingPriceLabel = new JLabel("销售单价:");
+        JTextField sellingPriceField = new JTextField();
+
+        JLabel typeLabel = new JLabel("商品类别:");
+        String[] categories = {"食品","生活用品","娱乐物品","学习物品","其他物品"};
+        JComboBox<String> typeComboBox = new JComboBox<>(categories);
+
+        JLabel imageLabel = new JLabel("商品图片:");
+        JButton chooseImageButton = new JButton("选择图片");
+
+        JButton addButton = new JButton("添加");
+        JButton cancelButton = new JButton("取消");
+
+        frame.add(nameLabel); frame.add(nameField);
+        frame.add(countLabel); frame.add(countField);
+        frame.add(purchasePriceLabel); frame.add(purchasePriceField);
+        frame.add(sellingPriceLabel); frame.add(sellingPriceField);
+        frame.add(typeLabel); frame.add(typeComboBox);
+        frame.add(imageLabel); frame.add(chooseImageButton);
+        frame.add(addButton); frame.add(cancelButton);
+
+        chooseImageButton.addActionListener(ev -> {
+            JFileChooser fileChooser = new JFileChooser();
+            fileChooser.setDialogTitle("选择商品图片");
+            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            int result = fileChooser.showOpenDialog(frame);
+            if(result == JFileChooser.APPROVE_OPTION){
+                File selectedFile = fileChooser.getSelectedFile();
+                selectedImagePath = selectedFile.getAbsolutePath();
+                JOptionPane.showMessageDialog(frame, "已选择图片: " + selectedFile.getName());
+            }
+        });
+
+        addButton.addActionListener(ev -> {
+            String name = nameField.getText();
+            int count;
+            double purchasePrice, sellingPrice;
+            String type = (String) typeComboBox.getSelectedItem();
+
+            try {
+                count = Integer.parseInt(countField.getText());
+                purchasePrice = Double.parseDouble(purchasePriceField.getText());
+                sellingPrice = Double.parseDouble(sellingPriceField.getText());
+            } catch(NumberFormatException ex){
+                JOptionPane.showMessageDialog(frame, "数量和价格必须为数字");
+                return;
+            }
+
+            String savedImageFileName = null;
+            if(selectedImagePath != null){
+                try{
+                    File imageDir = new File("images");
+                    if(!imageDir.exists()) imageDir.mkdir();
+                    String extension = selectedImagePath.substring(selectedImagePath.lastIndexOf("."));
+                    savedImageFileName = name + System.currentTimeMillis() + extension;
+                    Path targetPath = Paths.get("images", savedImageFileName);
+                    Files.copy(Paths.get(selectedImagePath), targetPath, StandardCopyOption.REPLACE_EXISTING);
+                }catch(IOException ex){
+                    ex.printStackTrace();
+                    JOptionPane.showMessageDialog(frame, "图片保存失败: "+ex.getMessage());
+                    return;
+                }
+            }
+
+            Jdbc jdbc = new Jdbc();
+            try{
+                String sql = "INSERT INTO commodity (name, count, purchase_price, selling_price, profit, quantity_sold, type, image_path) " +
+                        "VALUES ('"+name+"', "+count+", "+purchasePrice+", "+sellingPrice+", "+(sellingPrice-purchasePrice)+", 0, '"+type+"', '"+(savedImageFileName!=null?savedImageFileName:"")+"')";
+                jdbc.update(sql);
+                jdbc.close();
+                loadData();
+                frame.dispose();
+            }catch(Exception ex){
+                ex.printStackTrace();
+                JOptionPane.showMessageDialog(frame, "添加商品失败: "+ex.getMessage());
+            }
+        });
+
+        cancelButton.addActionListener(ev -> frame.dispose());
+
+        frame.setSize(450,400);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        frame.setVisible(true);
+    }
+
+    private void deleteSelectedProduct() {
+        int selectedRow = table.getSelectedRow();
+        if(selectedRow == -1){
+            JOptionPane.showMessageDialog(this, "请先选中要删除的商品行");
+            return;
+        }
+
+        String name = (String)tableModel.getValueAt(selectedRow,1); // 商品名称
+        int confirm = JOptionPane.showConfirmDialog(this,"确定删除商品 \"" + name + "\" 吗?","确认删除",JOptionPane.YES_NO_OPTION);
+        if(confirm != JOptionPane.YES_OPTION) return;
+
+        // 删除数据库和图片
         Jdbc jdbc = new Jdbc();
-        try {
-            ResultSet rs = jdbc.query("SELECT name,count,purchase_price,selling_price,profit,quantity_sold FROM commodity");
-            // 清空旧数据
+        try{
+            ResultSet rs = jdbc.query("SELECT image_path FROM commodity WHERE name='"+name+"'");
+            String imagePath = null;
+            if(rs.next()) imagePath = rs.getString("image_path");
+            rs.close();
+
+            jdbc.update("DELETE FROM commodity WHERE name='"+name+"'");
+            jdbc.close();
+
+            if(imagePath != null && !imagePath.isEmpty()){
+                File imgFile = new File("images/"+imagePath);
+                if(imgFile.exists()) imgFile.delete();
+            }
+
+            loadData();
+        }catch(Exception ex){
+            ex.printStackTrace();
+            JOptionPane.showMessageDialog(this, "删除商品失败: "+ex.getMessage());
+        }
+    }
+
+    private void loadData(){
+        Jdbc jdbc = new Jdbc();
+        try{
+            ResultSet rs = jdbc.query("SELECT name,count,purchase_price,selling_price,profit,quantity_sold,type,image_path FROM commodity");
             tableModel.setRowCount(0);
-            // 填充新数据
-            while (rs.next()) {
-                Object[] row = {
-                        rs.getString("name"),
-                        rs.getInt("count"),
-                        rs.getDouble("purchase_price"),
-                        rs.getDouble("selling_price"),
-                        rs.getDouble("profit"),
-                };
+            while(rs.next()){
+                String name = rs.getString("name");
+                int count = rs.getInt("count");
+                double purchasePrice = rs.getDouble("purchase_price");
+                double sellingPrice = rs.getDouble("selling_price");
+                double profit = rs.getDouble("profit");
+                String quantitySold = rs.getString("quantity_sold");
+                String type = rs.getString("type");
+                String imagePath = rs.getString("image_path");
+
+                ImageIcon icon = null;
+                if(imagePath!=null && !imagePath.isEmpty()){
+                    File imgFile = new File("images/"+imagePath);
+                    if(imgFile.exists()){
+                        icon = new ImageIcon(new ImageIcon(imgFile.getAbsolutePath())
+                                .getImage().getScaledInstance(50,50,Image.SCALE_SMOOTH));
+                    }
+                }
+
+                Object[] row = {icon,name,type,count,purchasePrice,sellingPrice,profit,quantitySold};
                 tableModel.addRow(row);
             }
             rs.close();
             jdbc.close();
-        } catch (SQLException e) {
+        }catch(Exception e){
             e.printStackTrace();
-            JOptionPane.showMessageDialog(this, "加载数据失败: " + e.getMessage());
+            JOptionPane.showMessageDialog(this,"加载数据失败: "+e.getMessage());
         }
     }
-    public static void main(String[] args) {
-        new StockProductManagement();
+
+    public static void main(String[] args){
+        SwingUtilities.invokeLater(StockProductManagement::new);
     }
 }

src/main/java/com/example/UserManagement.java

@@ -85,7 +85,7 @@ public class UserManagement extends JFrame implements ActionListener {
         // 添加用户
         if (e.getSource() == addItem) {
             JFrame frame = new JFrame("添加用户");
-            frame.setLayout(new GridLayout(5, 2));
+            frame.setLayout(new GridLayout(3, 2));
             JLabel nameLabel = new JLabel("用户名:");
             JTextField nameField = new JTextField();
             JLabel passLabel = new JLabel("密码:");
@@ -150,29 +150,26 @@ public class UserManagement extends JFrame implements ActionListener {
             String oldUsername = (String) tableModel.getValueAt(row, 0);
 
             JFrame frame = new JFrame("修改用户");
-            frame.setLayout(new GridLayout(5, 2));
+            frame.setLayout(new GridLayout(4, 2));
             JTextField nameField = new JTextField((String) tableModel.getValueAt(row, 0));
             JTextField passField = new JTextField((String) tableModel.getValueAt(row, 1));
-            JTextField emailField = new JTextField((String) tableModel.getValueAt(row, 2));
-            JTextField phoneField = new JTextField((String) tableModel.getValueAt(row, 3));
+            JTextField identityField = new JTextField((String) tableModel.getValueAt(row, 2));
             JButton saveButton = new JButton("保存");
             JButton cancelButton = new JButton("取消");
 
             frame.add(new JLabel("用户名:")); frame.add(nameField);
             frame.add(new JLabel("密码:")); frame.add(passField);
-            frame.add(new JLabel("邮箱:")); frame.add(emailField);
-            frame.add(new JLabel("电话:")); frame.add(phoneField);
+            frame.add(new JLabel("身份:")); frame.add(identityField);
             frame.add(saveButton); frame.add(cancelButton);
 
             saveButton.addActionListener(ev -> {
                 String username = nameField.getText();
                 String password = passField.getText();
-                String email = emailField.getText();
-                String phone = phoneField.getText();
+                String identity = identityField.getText();
 
                 Jdbc jdbc = new Jdbc();
                 try {
-                    jdbc.update("UPDATE user SET username='" + username + "', password='" + password + "', email='" + email + "', phone='" + phone + "' WHERE username='" + oldUsername + "'");
+                    jdbc.update("UPDATE user SET username='" + username + "', password='" + password + "', identity='" + identity + "' WHERE username='" + oldUsername + "'");
                     jdbc.close();
                     loadData();
                     frame.dispose();