Java Swing button simple use count hits

From , 5 Years ago, written in Java, viewed 124 times.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
 
public class SwingApplication {
        private static String labelPrefix = "Number of button clicks: ";
        private int numClicks = 0; // 计数器，计算点击次数
 
        public Component createComponents() {
                final JLabel label = new JLabel(labelPrefix + "0 ");
 
                JButton button = new JButton("I'm a Swing button!");
                button.setMnemonic(KeyEvent.VK_I); // 设置按钮的热键为'I'
                button.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                numClicks++;
                                label.setText(labelPrefix + numClicks);
                                // 显示按钮被点击的次数
                        }
                });
                label.setLabelFor(button);
 
                /* 在顶层容器及其内容之间放置空间的常用办法是把内容添加到Jpanel上，而Jpanel本身没有边框的。 */
 
                JPanel pane = new JPanel();
                pane.setBorder(BorderFactory.createEmptyBorder(30, // top
                                30, // left
                                10, // bottom
                                30) // right
                );
                pane.setLayout(new GridLayout(0, 1)); // 单列多行
                pane.add(button);
                pane.add(label);
                return pane;
        }
 
        public static void main(String[] args) {
                try {
                        UIManager.setLookAndFeel(UIManager
                                        .getCrossPlatformLookAndFeelClassName());
                        // 设置窗口风格
                } catch (Exception e) {
                }
 
                // 创建顶层容器并添加内容.
                JFrame frame = new JFrame("SwingApplication");
                SwingApplication app = new SwingApplication();
                Component contents = app.createComponents();
                frame.getContentPane().add(contents, BorderLayout.CENTER);
 
                // 窗口设置结束，开始显示
                frame.addWindowListener(new WindowAdapter() {
                        // 匿名类用于注册监听器
                        public void windowClosing(WindowEvent e) {
                                System.exit(0);
                        }
                });
                frame.pack();
                frame.setVisible(true);
        }
}
 

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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class SwingApplication {
	private static String labelPrefix = "Number of button clicks: ";
	private int numClicks = 0; // 计数器，计算点击次数

public Component createComponents() {
		final JLabel label = new JLabel(labelPrefix + "0 ");

JButton button = new JButton("I'm a Swing button!");
		button.setMnemonic(KeyEvent.VK_I); // 设置按钮的热键为'I'
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				numClicks++;
				label.setText(labelPrefix + numClicks);
				// 显示按钮被点击的次数
			}
		});
		label.setLabelFor(button);

/* 在顶层容器及其内容之间放置空间的常用办法是把内容添加到Jpanel上，而Jpanel本身没有边框的。 */

JPanel pane = new JPanel();
		pane.setBorder(BorderFactory.createEmptyBorder(30, // top
				30, // left
				10, // bottom
				30) // right
		);
		pane.setLayout(new GridLayout(0, 1)); // 单列多行
		pane.add(button);
		pane.add(label);
		return pane;
	}

public static void main(String[] args) {
		try {
			UIManager.setLookAndFeel(UIManager
					.getCrossPlatformLookAndFeelClassName());
			// 设置窗口风格
		} catch (Exception e) {
		}

// 创建顶层容器并添加内容.
		JFrame frame = new JFrame("SwingApplication");
		SwingApplication app = new SwingApplication();
		Component contents = app.createComponents();
		frame.getContentPane().add(contents, BorderLayout.CENTER);

// 窗口设置结束，开始显示
		frame.addWindowListener(new WindowAdapter() {
			// 匿名类用于注册监听器
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
		frame.pack();
		frame.setVisible(true);
	}
}

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Java Swing button simple use count hits

Reply to "Java Swing button simple use count hits"