进货管理页面
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@@ -1,4 +1,170 @@
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package com.example;
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public class InventoryProductManagement {
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import javax.swing.*;
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import javax.swing.table.DefaultTableModel;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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public class InventoryProductManagement extends JFrame implements ActionListener {
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JMenuBar menuBar;
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JMenu menu;
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JMenuItem menuItem1,menuItem2,menuItem3;
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private JTable table;
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private DefaultTableModel tableModel;
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InventoryProductManagement() {
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super("进货信息管理");
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menuBar = new JMenuBar();
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setJMenuBar(menuBar);
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menu = new JMenu("菜单");
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menuBar.add(menu);
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menuItem1 = new JMenuItem("添加商品");
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menuItem2 = new JMenuItem("删除商品");
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menu.add(menuItem1);
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menu.add(menuItem2);
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// menu.add(menuItem3);
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menuItem1.addActionListener(this);
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menuItem2.addActionListener(this);
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// menuItem3.addActionListener(this);
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setSize(500,500);
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setLocationRelativeTo(null);
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// 表头
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String[] columnNames = {"商品名称", "商品数量", "进货单价"};
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tableModel = new DefaultTableModel(columnNames, 0);
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table = new JTable(tableModel);
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// 滚动面板
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JScrollPane scrollPane = new JScrollPane(table);
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add(scrollPane, BorderLayout.CENTER);
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// 初始化加载数据库数据
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loadData();
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setVisible(true);
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}
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private void loadData() {
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Jdbc jdbc = new Jdbc();
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try {
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ResultSet rs = jdbc.query("SELECT name,count,purchase_price,selling_price,profit,quantity_sold FROM commodity");
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// 清空旧数据
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tableModel.setRowCount(0);
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// 填充新数据
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while (rs.next()) {
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Object[] row = {
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rs.getString("name"),
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rs.getInt("count"),
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rs.getDouble("purchase_price"),
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};
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tableModel.addRow(row);
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}
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rs.close();
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jdbc.close();
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} catch (SQLException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(this, "加载数据失败: " + e.getMessage());
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}
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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if (e.getSource() == menuItem1) {
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JFrame frame = new JFrame();
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frame.setTitle("添加商品");
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frame.setLayout(new GridLayout(4, 2));
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JLabel nameLabel = new JLabel("商品名称:");
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JTextField nameField = new JTextField();
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JLabel countLabel = new JLabel("商品数量:");
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JTextField countField = new JTextField();
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JLabel purchasePriceLabel = new JLabel("进货单价:");
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JTextField purchasePriceField = new JTextField();
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JButton addButton = new JButton("添加");
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JButton cancelButton = new JButton("取消");
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frame.add(nameLabel);
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frame.add(nameField);
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frame.add(countLabel);
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frame.add(countField);
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frame.add(purchasePriceLabel);
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frame.add(purchasePriceField);
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frame.add(addButton);
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frame.add(cancelButton);
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addButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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String name = nameField.getText();
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int count = Integer.parseInt(countField.getText());
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double purchasePrice = Double.parseDouble(purchasePriceField.getText());
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// 调用数据库添加方法
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Jdbc jdbc = new Jdbc();
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try {
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jdbc.update("INSERT INTO commodity (name, count, purchase_price, quantity_sold) VALUES ('" + name + "', " + count + ", " + purchasePrice + ", " + 0 + ");");
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jdbc.close();
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// 刷新数据
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loadData();
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// 关闭弹窗
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frame.dispose();
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} catch (SQLException ex) {
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ex.printStackTrace();
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JOptionPane.showMessageDialog(frame, "添加商品失败: " + ex.getMessage());
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}
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}
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});
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cancelButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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frame.dispose();
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}
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});
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frame.setSize(300, 200);
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frame.setLocationRelativeTo(null);
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frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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frame.setVisible(true);
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}
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else if (e.getSource() == menuItem2) {
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JFrame frame = new JFrame();
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frame.setTitle("删除商品");
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frame.setLayout(new GridLayout(2, 2));
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JLabel nameLabel = new JLabel("商品名称:");
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JTextField nameField = new JTextField();
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JButton deleteButton = new JButton("删除");
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JButton cancelButton = new JButton("取消");
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frame.add(nameLabel);
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frame.add(nameField);
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frame.add(deleteButton);
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frame.add(cancelButton);
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deleteButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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String name = nameField.getText();
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// 调用数据库删除方法
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Jdbc jdbc = new Jdbc();
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try {
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jdbc.update("DELETE FROM commodity WHERE name='" + name + "'");
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jdbc.close();
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// 刷新数据
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loadData();
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// 关闭弹窗
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frame.dispose();
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} catch (SQLException ex) {
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ex.printStackTrace();
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JOptionPane.showMessageDialog(frame, "删除商品失败: " + ex.getMessage());
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}
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}
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});
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cancelButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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frame.dispose();
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}
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});
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frame.setSize(300, 200);
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frame.setLocationRelativeTo(null);
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frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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frame.setVisible(true);
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}
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}
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public static void main(String[] args) {
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new InventoryProductManagement();
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}
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}
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