库存列表筛选功能

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

@@ -2,7 +2,6 @@ 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.*;

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

@@ -5,48 +5,55 @@ import javax.swing.table.DefaultTableModel;
 import javax.swing.table.TableCellRenderer;
 import java.awt.*;
 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.util.HashSet;
+import java.util.Set;
 
-public class StockProductManagement extends JFrame implements java.awt.event.ActionListener {
+public class StockProductManagement extends JFrame {
 
-    JMenuBar menuBar;
-    JMenuItem menuItemAdd, menuItemDelete;
     private JTable table;
     private DefaultTableModel tableModel;
-    private String selectedImagePath = null;
+    private JTextField searchField;
+    private JComboBox<String> categoryComboBox;
+    private JButton resetButton; // 新增：重置按钮
 
     public StockProductManagement() {
         super("库存商品信息管理");
-        menuBar = new JMenuBar();
-        setJMenuBar(menuBar);
 
-        menuItemAdd = new JMenuItem("添加商品");
+        setSize(900, 550);
-        menuItemDelete = new JMenuItem("删除商品");
-        menuBar.add(menuItemAdd);
-        menuBar.add(menuItemDelete);
-
-        menuItemAdd.addActionListener(this);
-        menuItemDelete.addActionListener(this);
-
-        setSize(800, 500);
         setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
-        // 表头增加“商品类别”列
+        // === 顶部工具面板 ===
+        JPanel topPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
+
+        topPanel.add(new JLabel("搜索商品名称:"));
+        searchField = new JTextField(15);
+        topPanel.add(searchField);
+
+        JButton searchButton = new JButton("搜索");
+        topPanel.add(searchButton);
+
+        topPanel.add(new JLabel("筛选类别:"));
+        categoryComboBox = new JComboBox<>();
+        categoryComboBox.addItem("全部"); // 初始
+        topPanel.add(categoryComboBox);
+
+        resetButton = new JButton("重置"); // 新增
+        topPanel.add(resetButton);
+
+        add(topPanel, BorderLayout.NORTH);
+
+        // === 表格 ===
         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 == 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
+                if(column == 0) return Icon.class;
                 return super.getColumnClass(column);
             }
         };
@@ -64,11 +71,11 @@ public class StockProductManagement extends JFrame implements java.awt.event.Act
             }
         });
 
-        // 销售数量编辑事件
+        // 销售数量更新
         table.getModel().addTableModelListener(e -> {
             int row = e.getFirstRow();
             int column = e.getColumn();
-            if(column == 7) { // 销售数量列
+            if(column == 7) {
                 String name = (String)tableModel.getValueAt(row, 1);
                 Object value = tableModel.getValueAt(row, column);
                 if(value != null && !value.toString().trim().isEmpty()) {
@@ -87,154 +94,40 @@ public class StockProductManagement extends JFrame implements java.awt.event.Act
         JScrollPane scrollPane = new JScrollPane(table);
         add(scrollPane, BorderLayout.CENTER);
 
-        loadData();
+        // === 事件绑定 ===
+        searchButton.addActionListener(ev -> reloadData());
+        categoryComboBox.addActionListener(ev -> reloadData());
+        resetButton.addActionListener(ev -> {  // 重置功能
+            searchField.setText("");
+            categoryComboBox.setSelectedItem("全部");
+            reloadData();
+        });
+
+        reloadData(); // 初次加载
         setVisible(true);
     }
 
-    @Override
+    /**
-    public void actionPerformed(java.awt.event.ActionEvent e) {
+     * 按条件加载数据
-        if(e.getSource() == menuItemAdd){
+     */
-            showAddProductWindow();
+    private void reloadData(){
-        } else if(e.getSource() == menuItemDelete){
+        String keyword = searchField.getText().trim();
-            deleteSelectedProduct();
+        String category = (String) categoryComboBox.getSelectedItem();
-        }
-    }
 
-    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 image_path FROM commodity WHERE name='"+name+"'");
+            StringBuilder sql = new StringBuilder("SELECT name,count,purchase_price,selling_price,profit,quantity_sold,type,image_path FROM commodity WHERE 1=1 ");
-            String imagePath = null;
+            if(!keyword.isEmpty()){
-            if(rs.next()) imagePath = rs.getString("image_path");
+                sql.append("AND name LIKE '%").append(keyword).append("%' ");
-            rs.close();
+            }
-
+            if(category != null && !"全部".equals(category)){
-            jdbc.update("DELETE FROM commodity WHERE name='"+name+"'");
+                sql.append("AND type='").append(category).append("' ");
-            jdbc.close();
-
-            if(imagePath != null && !imagePath.isEmpty()){
-                File imgFile = new File("images/"+imagePath);
-                if(imgFile.exists()) imgFile.delete();
             }
 
-            loadData();
+            ResultSet rs = jdbc.query(sql.toString());
-        }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);
+            Set<String> categories = new HashSet<>();
+
             while(rs.next()){
                 String name = rs.getString("name");
                 int count = rs.getInt("count");
@@ -245,6 +138,8 @@ public class StockProductManagement extends JFrame implements java.awt.event.Act
                 String type = rs.getString("type");
                 String imagePath = rs.getString("image_path");
 
+                categories.add(type);
+
                 ImageIcon icon = null;
                 if(imagePath!=null && !imagePath.isEmpty()){
                     File imgFile = new File("images/"+imagePath);
@@ -259,6 +154,18 @@ public class StockProductManagement extends JFrame implements java.awt.event.Act
             }
             rs.close();
             jdbc.close();
+
+            // 更新类别下拉框
+            String selected = (String) categoryComboBox.getSelectedItem();
+            categoryComboBox.removeAllItems();
+            categoryComboBox.addItem("全部");
+            for(String c : categories){
+                categoryComboBox.addItem(c);
+            }
+            if(selected != null && !selected.isEmpty()){
+                categoryComboBox.setSelectedItem(selected);
+            }
+
         }catch(Exception e){
             e.printStackTrace();
             JOptionPane.showMessageDialog(this,"加载数据失败: "+e.getMessage());