米哈庫's 小坑洞: [JAVA] 視窗簡單範例

※ 此程式碼並非優化版本，僅供個人學習用途，若有任何問題請告知。

程式碼如下：

	package main;

	import java.lang.Math;
	import java.awt.EventQueue;
	import javax.swing.JFrame;
	import javax.swing.JButton;
	import java.awt.event.ActionListener;
	import java.awt.event.ActionEvent;
	import java.awt.Panel;
	import java.awt.event.ContainerAdapter;
	import java.awt.event.ContainerEvent;
	import javax.swing.JLabel;
	import javax.swing.JList;
	import javax.swing.JTextArea;
	import javax.swing.JPanel;
	import javax.swing.JToolBar;
	import java.awt.TextArea;

	public class windowdemo {

	private JFrame frame;
	private int sum = 0;

	/**
	* Launch the application. 運行應用程式
	*/
	public static void main(String[] args) {
	EventQueue.invokeLater(new Runnable() {
	public void run() {
	try {
	windowdemo window = new windowdemo();
	window.frame.setVisible(true);
	} catch (Exception e) {
	e.printStackTrace();
	}
	}
	});
	}

	/**
	* Create the application. 創造框架
	*/
	public windowdemo() {
	initialize();
	}

	/**
	* Initialize the contents of the frame. 在框架中安裝元件
	*/
	private void initialize() {
	frame = new JFrame("Title"); // 建立一個標題為 Title 的視窗
	frame.setBounds(100, 100, 450, 300); // 在螢幕上(100,100)的位置產生(寬450,長300)的視窗
	// setBounds(x, y, width, height)
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 設定
	frame.getContentPane().setLayout(null); // 設定視窗排版規則

	// exit 按鈕
	JButton btnNewButton_9 = new JButton("Exit");
	btnNewButton_9.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent arg0) {
	System.exit(0);
	}
	});
	btnNewButton_9.setBounds(330, 195, 87, 23);
	frame.getContentPane().add(btnNewButton_9);

	// dispose 按鈕
	JButton btnNewButton_10 = new JButton("Dispose");
	btnNewButton_10.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent arg0) {
	frame.dispose();
	}
	});
	btnNewButton_10.setBounds(330, 228, 87, 23);
	frame.getContentPane().add(btnNewButton_10);

	//區塊1
	JPanel panel_1 = new JPanel();
	panel_1.setBounds(0, 0, 180, 33);
	frame.getContentPane().add(panel_1);

	// sum 按鈕
	JButton btnNewButton_1 = new JButton("Sum");
	panel_1.add(btnNewButton_1);

	JPanel panel = new JPanel();
	panel_1.add(panel);

	JLabel label = new JLabel("點擊次數：0");
	panel_1.add(label);

	JPanel panel_2 = new JPanel();
	panel_2.setBounds(0, 34, 149, 33);
	frame.getContentPane().add(panel_2);

	// Print 按鈕
	JButton btnNewButton = new JButton("Print");
	panel_2.add(btnNewButton);

	JPanel panel_3 = new JPanel();
	panel_2.add(panel_3);

	JLabel lblNewLabel = new JLabel("hahaha");
	panel_2.add(lblNewLabel);
	btnNewButton.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent arg0) {
	String num = Integer.toString((int)(Math.random()*99+0));
	lblNewLabel.setText(num);
	}
	});
	btnNewButton_1.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent arg0) {
	sum++;
	label.setText("點擊次數："+sum);
	}
	});
	}
	}