diff --git a/images/黑笔1758714930111.jpg b/images/黑笔1758714930111.jpg deleted file mode 100644 index 01a44d7..0000000 Binary files a/images/黑笔1758714930111.jpg and /dev/null differ diff --git a/src/main/java/com/example/SalesProductManagement.java b/src/main/java/com/example/SalesProductManagement.java index 4885783..1c65cde 100644 --- a/src/main/java/com/example/SalesProductManagement.java +++ b/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.*; diff --git a/src/main/java/com/example/StockProductManagement.java b/src/main/java/com/example/StockProductManagement.java index 16aa889..080c48d 100644 --- a/src/main/java/com/example/StockProductManagement.java +++ b/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 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"); - menuItemDelete = new JMenuItem("删除商品"); - menuBar.add(menuItemAdd); - menuBar.add(menuItemDelete); - - menuItemAdd.addActionListener(this); - menuItemDelete.addActionListener(this); - - setSize(800, 500); + setSize(900, 550); 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) { - if(e.getSource() == menuItemAdd){ - showAddProductWindow(); - } else if(e.getSource() == menuItemDelete){ - deleteSelectedProduct(); - } - } + /** + * 按条件加载数据 + */ + private void reloadData(){ + String keyword = searchField.getText().trim(); + 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 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+"'"); - 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(); + StringBuilder sql = new StringBuilder("SELECT name,count,purchase_price,selling_price,profit,quantity_sold,type,image_path FROM commodity WHERE 1=1 "); + if(!keyword.isEmpty()){ + sql.append("AND name LIKE '%").append(keyword).append("%' "); + } + if(category != null && !"全部".equals(category)){ + sql.append("AND type='").append(category).append("' "); } - 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"); + ResultSet rs = jdbc.query(sql.toString()); tableModel.setRowCount(0); + Set 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());