IDEA使用jformdesigner插件做管理系统MVC架构的步骤和实现思路

src
├── controller   // 控制层
│   └── UserController.java
├── model        // 模型层
│   └── User.java
│   └── UserDAO.java
├── view         // 视图层
│   └── MainFrame.java
│   └── UserForm.java
├── App.java     // 主程序入口

package view;
import javax.swing.*;
public class UserForm extends JPanel {
    public JTable userTable;
    public JTextField nameField;
    public JButton addButton;
    public UserForm() {
        // 自动生成的代码，由 JFormDesigner 生成
        setLayout(null);
        JLabel nameLabel = new JLabel("Name:");
        nameLabel.setBounds(20, 20, 50, 25);
        add(nameLabel);
        nameField = new JTextField();
        nameField.setBounds(80, 20, 150, 25);
        add(nameField);
        addButton = new JButton("Add User");
        addButton.setBounds(240, 20, 100, 25);
        add(addButton);
        userTable = new JTable();
        JScrollPane scrollPane = new JScrollPane(userTable);
        scrollPane.setBounds(20, 60, 320, 200);
        add(scrollPane);
    }
}

package model;
public class User {
    private String name;
    public User(String name) {
        this.name = name;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
}

package model;
import java.util.ArrayList;
import java.util.List;
public class UserDAO {
    private List<User> users = new ArrayList<>();
    public List<User> getUsers() {
        return users;
    }
    public void addUser(User user) {
        users.add(user);
    }
}

package controller;
import model.User;
import model.UserDAO;
import view.UserForm;
import javax.swing.table.DefaultTableModel;
public class UserController {
    private UserDAO userDAO;
    private UserForm userForm;
    public UserController(UserDAO userDAO, UserForm userForm) {
        this.userDAO = userDAO;
        this.userForm = userForm;
        initController();
    }
    private void initController() {
        userForm.addButton.addActionListener(e -> addUser());
        loadUserTable();
    }
    private void addUser() {
        String name = userForm.nameField.getText();
        if (name.isEmpty()) {
            return; // 简单验证
        }
        userDAO.addUser(new User(name));
        userForm.nameField.setText(""); // 清空输入框
        loadUserTable(); // 更新表格数据
    }
    private void loadUserTable() {
        String[] columnNames = {"Name"};
        DefaultTableModel tableModel = new DefaultTableModel(columnNames, 0);
        for (User user : userDAO.getUsers()) {
            tableModel.addRow(new Object[]{user.getName()});
        }
        userForm.userTable.setModel(tableModel);
    }
}

import controller.UserController;
import model.UserDAO;
import view.UserForm;
import javax.swing.*;
public class App {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            UserForm userForm = new UserForm();
            UserDAO userDAO = new UserDAO();
            new UserController(userDAO, userForm);
            JFrame frame = new JFrame("User Management System");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setContentPane(userForm);
            frame.setSize(400, 300);
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        });
    }
}