import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
public class MyFrame extends JFrame {
private JTable table;
private DefaultTableModel model;
private JTextField searchField;
private List<Transaction> transactions = new ArrayList<>(); // 用于存储进出库记录
public MyFrame() {
setTitle("商品管理系统");
setSize(900, 600);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout());
// 创建顶部搜索面板
createTopPanel();
// 创建中间表格面板
createCenterPanel();
// 创建右侧按钮面板
createEastPanel();
// 创建底部状态栏
add(createStatusBar(), BorderLayout.SOUTH);
}
private void createTopPanel() {
JPanel topPanel = new JPanel(new BorderLayout());
topPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
JLabel searchLabel = new JLabel("按商品编号搜索:");
searchField = new JTextField(15);
JButton searchButton = new JButton("搜索");
searchButton.addActionListener(e -> searchProduct());
JPanel searchPanel = new JPanel();
searchPanel.add(searchLabel);
searchPanel.add(searchField);
searchPanel.add(searchButton);
topPanel.add(searchPanel, BorderLayout.WEST);
add(topPanel, BorderLayout.NORTH);
}
private void createCenterPanel() {
// 表格列名
String[] columnNames = {"商品编号", "商品名称", "建议单价", "一般成本价", "当前库存", "备注"};
// 表格数据
Object[][] data = {
{"P001", "苹果手机", 6999.0, 5500.0, 77, "除掉商品"},
{"P002", "智能手机端", 6500.0, 1200.0, 13, "总订单"},
{"P003", "无线耳机", 299.0, 180.0, 56, "蓝牙5.0"},
{"P005", "耳机", 99.0, 88.0, 10, ""}
};
// 创建表格模型（除特定列外不可编辑）
model = new DefaultTableModel(data, columnNames) {
@Override
public boolean isCellEditable(int row, int column) {
// 仅允许编辑备注列
return column == 5;
}
};
table = new JTable(model);
table.setRowHeight(25);
table.getTableHeader().setFont(new Font("SimSun", Font.BOLD, 14));
table.setFont(new Font("SimSun", Font.PLAIN, 14));
JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane, BorderLayout.CENTER);
}
private void createEastPanel() {
JPanel eastPanel = new JPanel();
eastPanel.setLayout(new BoxLayout(eastPanel, BoxLayout.Y_AXIS));
eastPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
// 创建按钮
JButton addButton = createButton("添加商品");
JButton editButton = createButton("编辑商品");
JButton deleteButton = createButton("删除商品");
JButton inButton = createButton("入库");
JButton outButton = createButton("出库");
JButton detailButton = createButton("查看详情");
JButton exitButton = createButton("退出系统");
// 添加动作监听器
addButton.addActionListener(e -> addProduct());
editButton.addActionListener(e -> editProduct());
deleteButton.addActionListener(e -> deleteProduct());
inButton.addActionListener(e -> stockIn());
outButton.addActionListener(e -> stockOut());
detailButton.addActionListener(e -> viewProductDetails());
exitButton.addActionListener(e -> System.exit(0));
// 添加按钮到面板并设置间距
eastPanel.add(addButton);
eastPanel.add(Box.createVerticalStrut(10));
eastPanel.add(editButton);
eastPanel.add(Box.createVerticalStrut(10));
eastPanel.add(deleteButton);
eastPanel.add(Box.createVerticalStrut(10));
eastPanel.add(detailButton);
eastPanel.add(Box.createVerticalStrut(20)); // 库存按钮前的额外间距
eastPanel.add(inButton);
eastPanel.add(Box.createVerticalStrut(10));
eastPanel.add(outButton);
eastPanel.add(Box.createVerticalStrut(20)); // 退出按钮前的额外间距
eastPanel.add(exitButton);
add(eastPanel, BorderLayout.EAST);
}
private JButton createButton(String text) {
JButton button = new JButton(text);
button.setFont(new Font("SimSun", Font.PLAIN, 14));
button.setPreferredSize(new Dimension(120, 40));
button.setMaximumSize(new Dimension(120, 40));
button.setAlignmentX(Component.CENTER_ALIGNMENT);
return button;
}
private JPanel createStatusBar() {
JPanel statusPanel = new JPanel();
statusPanel.setBorder(BorderFactory.createEtchedBorder());
statusPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
JLabel statusLabel = new JLabel("当前模式：商品管理");
statusLabel.setFont(new Font("SimSun", Font.PLAIN, 12));
statusPanel.add(statusLabel);
return statusPanel;
}
// 检查商品编号是否已存在
private boolean isProductIdExists(String id) {
for (int i = 0; i < model.getRowCount(); i++) {
if (model.getValueAt(i, 0).toString().equals(id)) {
return true;
}
}
return false;
}
// 按商品编号搜索
private void searchProduct() {
String searchId = searchField.getText().trim();
if (searchId.isEmpty()) {
JOptionPane.showMessageDialog(this, "请输入商品编号", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
int rowIndex = -1;
for (int i = 0; i < model.getRowCount(); i++) {
if (model.getValueAt(i, 0).toString().equals(searchId)) {
rowIndex = i;
break;
}
}
if (rowIndex == -1) {
JOptionPane.showMessageDialog(this, "未找到商品编号为 " + searchId + " 的商品", "提示", JOptionPane.INFORMATION_MESSAGE);
} else {
table.setRowSelectionInterval(rowIndex, rowIndex);
viewProductDetails(); // 直接查看详情
}
}
// 查看商品详情
private void viewProductDetails() {
int selectedRow = table.getSelectedRow();
if (selectedRow == -1) {
JOptionPane.showMessageDialog(this, "请先选择要查看的商品", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
String productId = model.getValueAt(selectedRow, 0).toString();
// 创建详情面板
JPanel detailPanel = new JPanel(new GridLayout(7, 2, 5, 5));
detailPanel.add(new JLabel("商品编号:"));
detailPanel.add(new JLabel(productId));
detailPanel.add(new JLabel("商品名称:"));
detailPanel.add(new JLabel(model.getValueAt(selectedRow, 1).toString()));
detailPanel.add(new JLabel("建议单价:"));
detailPanel.add(new JLabel(model.getValueAt(selectedRow, 2).toString()));
detailPanel.add(new JLabel("一般成本价:"));
detailPanel.add(new JLabel(model.getValueAt(selectedRow, 3).toString()));
detailPanel.add(new JLabel("当前库存:"));
detailPanel.add(new JLabel(model.getValueAt(selectedRow, 4).toString()));
detailPanel.add(new JLabel("备注:"));
detailPanel.add(new JLabel(model.getValueAt(selectedRow, 5).toString()));
// 添加进出库记录
detailPanel.add(new JLabel("进出库记录:"));
// 创建记录表格
String[] columns = {"操作", "数量", "日期"};
DefaultTableModel recordModel = new DefaultTableModel(columns, 0);
// 添加该商品的所有记录
for (Transaction transaction : transactions) {
if (transaction.getProductId().equals(productId)) {
recordModel.addRow(new Object[]{
transaction.isStockIn() ? "入库" : "出库",
transaction.getQuantity(),
transaction.getDate()
});
}
}
JTable recordTable = new JTable(recordModel);
recordTable.setRowHeight(20);
JScrollPane recordScrollPane = new JScrollPane(recordTable);
// 创建一个面板来容纳详情和记录
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(detailPanel, BorderLayout.NORTH);
mainPanel.add(recordScrollPane, BorderLayout.CENTER);
JOptionPane.showMessageDialog(this, mainPanel, "商品详情", JOptionPane.PLAIN_MESSAGE);
}
private void addProduct() {
JPanel panel = new JPanel(new GridLayout(6, 2, 5, 5));
JTextField idField = new JTextField();
JTextField nameField = new JTextField();
JTextField priceField = new JTextField();
JTextField costField = new JTextField();
JTextField stockField = new JTextField("0");
JTextField noteField = new JTextField();
panel.add(new JLabel("商品编号:"));
panel.add(idField);
panel.add(new JLabel("商品名称:"));
panel.add(nameField);
panel.add(new JLabel("建议单价:"));
panel.add(priceField);
panel.add(new JLabel("一般成本价:"));
panel.add(costField);
panel.add(new JLabel("当前库存:"));
panel.add(stockField);
panel.add(new JLabel("备注:"));
panel.add(noteField);
int result = JOptionPane.showConfirmDialog(this, panel, "添加新商品",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
if (result == JOptionPane.OK_OPTION) {
try {
String id = idField.getText().trim();
if (id.isEmpty()) {
JOptionPane.showMessageDialog(this, "商品编号不能为空", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
if (isProductIdExists(id)) {
JOptionPane.showMessageDialog(this, "商品编号已存在，请使用其他编号", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
Object[] rowData = {
id,
nameField.getText(),
Double.parseDouble(priceField.getText()),
Double.parseDouble(costField.getText()),
Integer.parseInt(stockField.getText()),
noteField.getText()
};
model.addRow(rowData);
JOptionPane.showMessageDialog(this, "商品添加成功!", "成功", JOptionPane.INFORMATION_MESSAGE);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(this, "请输入有效的数字", "错误", JOptionPane.ERROR_MESSAGE);
}
}
}
private void editProduct() {
int selectedRow = table.getSelectedRow();
if (selectedRow == -1) {
JOptionPane.showMessageDialog(this, "请先选择要编辑的商品", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
JPanel panel = new JPanel(new GridLayout(6, 2, 5, 5));
JTextField idField = new JTextField(model.getValueAt(selectedRow, 0).toString());
JTextField nameField = new JTextField(model.getValueAt(selectedRow, 1).toString());
JTextField priceField = new JTextField(model.getValueAt(selectedRow, 2).toString());
JTextField costField = new JTextField(model.getValueAt(selectedRow, 3).toString());
JTextField stockField = new JTextField(model.getValueAt(selectedRow, 4).toString());
JTextField noteField = new JTextField(model.getValueAt(selectedRow, 5).toString());
// 使ID和库存字段不可编辑
idField.setEditable(false);
stockField.setEditable(false);
panel.add(new JLabel("商品编号:"));
panel.add(idField);
panel.add(new JLabel("商品名称:"));
panel.add(nameField);
panel.add(new JLabel("建议单价:"));
panel.add(priceField);
panel.add(new JLabel("一般成本价:"));
panel.add(costField);
panel.add(new JLabel("当前库存:"));
panel.add(stockField);
panel.add(new JLabel("备注:"));
panel.add(noteField);
int result = JOptionPane.showConfirmDialog(this, panel, "编辑商品信息",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
if (result == JOptionPane.OK_OPTION) {
try {
model.setValueAt(nameField.getText(), selectedRow, 1);
model.setValueAt(Double.parseDouble(priceField.getText()), selectedRow, 2);
model.setValueAt(Double.parseDouble(costField.getText()), selectedRow, 3);
// 不修改库存
model.setValueAt(noteField.getText(), selectedRow, 5);
JOptionPane.showMessageDialog(this, "商品信息更新成功!", "成功", JOptionPane.INFORMATION_MESSAGE);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(this, "请输入有效的数字", "错误", JOptionPane.ERROR_MESSAGE);
}
}
}
private void deleteProduct() {
int selectedRow = table.getSelectedRow();
if (selectedRow == -1) {
JOptionPane.showMessageDialog(this, "请先选择要删除的商品", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
// 检查库存是否为0
int currentStock = Integer.parseInt(model.getValueAt(selectedRow, 4).toString());
if (currentStock > 0) {
JOptionPane.showMessageDialog(this, "库存不为0，不能删除该商品", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
int confirm = JOptionPane.showConfirmDialog(this,
"确定要删除选中的商品吗?", "确认删除",
JOptionPane.YES_NO_OPTION);
if (confirm == JOptionPane.YES_OPTION) {
model.removeRow(selectedRow);
JOptionPane.showMessageDialog(this, "商品删除成功!", "成功", JOptionPane.INFORMATION_MESSAGE);
}
}
private void stockIn() {
int selectedRow = table.getSelectedRow();
if (selectedRow == -1) {
JOptionPane.showMessageDialog(this, "请先选择要入库的商品", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
String input = JOptionPane.showInputDialog(this, "请输入入库数量:", "入库操作", JOptionPane.PLAIN_MESSAGE);
if (input == null || input.trim().isEmpty()) return;
try {
int quantity = Integer.parseInt(input);
if (quantity <= 0) {
JOptionPane.showMessageDialog(this, "入库数量必须大于0", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
int currentStock = Integer.parseInt(model.getValueAt(selectedRow, 4).toString());
model.setValueAt(currentStock + quantity, selectedRow, 4);
// 记录入库操作
String productId = model.getValueAt(selectedRow, 0).toString();
transactions.add(new Transaction(productId, quantity, true));
JOptionPane.showMessageDialog(this, "入库成功! 当前库存: " + (currentStock + quantity),
"成功", JOptionPane.INFORMATION_MESSAGE);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(this, "请输入有效的数字", "错误", JOptionPane.ERROR_MESSAGE);
}
}
private void stockOut() {
int selectedRow = table.getSelectedRow();
if (selectedRow == -1) {
JOptionPane.showMessageDialog(this, "请先选择要出库的商品", "提示", JOptionPane.WARNING_MESSAGE);
return;
}
String input = JOptionPane.showInputDialog(this, "请输入出库数量:", "出库操作", JOptionPane.PLAIN_MESSAGE);
if (input == null || input.trim().isEmpty()) return;
try {
int quantity = Integer.parseInt(input);
if (quantity <= 0) {
JOptionPane.showMessageDialog(this, "出库数量必须大于0", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
int currentStock = Integer.parseInt(model.getValueAt(selectedRow, 4).toString());
if (quantity > currentStock) {
JOptionPane.showMessageDialog(this, "出库数量不能超过当前库存", "错误", JOptionPane.ERROR_MESSAGE);
return;
}
model.setValueAt(currentStock - quantity, selectedRow, 4);
// 记录出库操作
String productId = model.getValueAt(selectedRow, 0).toString();
transactions.add(new Transaction(productId, quantity, false));
JOptionPane.showMessageDialog(this, "出库成功! 当前库存: " + (currentStock - quantity),
"成功", JOptionPane.INFORMATION_MESSAGE);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(this, "请输入有效的数字", "错误", JOptionPane.ERROR_MESSAGE);
}
}
// 进出库记录类
private class Transaction {
private String productId;
private int quantity;
private boolean stockIn;
private String date;
public Transaction(String productId, int quantity, boolean stockIn) {
this.productId = productId;
this.quantity = quantity;
this.stockIn = stockIn;
this.date = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new java.util.Date());
}
public String getProductId() {
return productId;
}
public int getQuantity() {
return quantity;
}
public boolean isStockIn() {
return stockIn;
}
public String getDate() {
return date;
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(() -> {
MyFrame frame = new MyFrame();
frame.setVisible(true);
});
}
}
补充：删除某商品信息，库存不为0时不可删除；提供补充后的代码
最新发布
本文介绍了解决Eclipse中无法导入JOptionPane的问题步骤。通过调整项目的属性设置，使Deprecated and restricted API忽略警告，从而成功导入JOptionPane组件。
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