mvc2view.java

mvc三层软件结构实例

package com.sitinspring;

import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Toolkit;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;

/**
 * 视图类(View)
 * 
 * @author sitinspring([e-mail])
 * 
 * @date 2007-11-5
 */
public class Mvc2View extends JFrame {
	private static final long serialVersionUID = 621145935910133202L;

	private JButton button;

	private JLabel label;

	private JButton button2;

	private JLabel label2;

	public Mvc2View() {
		locateView(300, 200);
		this.setTitle("MVC2 Program");
		setupComponents();
		this.setVisible(true);
	}

	// 定位程序在屏幕正中并设置程序大小
	private void locateView(int width, int height) {
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		this.setSize(width, height);
		this.setLocation(screenSize.width / 2 - width / 2, screenSize.height
				/ 2 - height / 2);
	}

	// 初始化内部组件
	private void setupComponents() {
		button = new JButton("点击响应事件1");
		label = new JLabel("  等待事件响应1");

		button2 = new JButton("点击响应事件2");
		label2 = new JLabel("  等待事件响应2");

		setLayout(new GridLayout(2, 2));
		add(button);
		add(label);

		add(button2);
		add(label2);
	}

	public JButton getButton() {
		return button;
	}

	public JButton getButton2() {
		return button2;
	}

	public JLabel getLabel() {
		return label;
	}

	public JLabel getLabel2() {
		return label2;
	}
}