Swing—面板

Swing—面板

package com.deng.lesson05;

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

public class JPanelDemo extends JFrame {
    public JPanelDemo() {
        Container container = this.getContentPane();
        container.setLayout(new GridLayout(2,1,10,10));//后面的参数的意思，间距
        JPanel panel1 = new JPanel(new GridLayout(1, 2));

        panel1.add(new JButton("1"));
        panel1.add(new JButton("1"));
        panel1.add(new JButton("1"));
        container.add(panel1);

        this.setVisible(true);
        this.setSize(500,500);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }
    public static void main(String[] args) {
        new JPanelDemo();
    }
}

JScrollpanel

package com.deng.lesson05;

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

public class JScrollDemo extends JFrame {
    public JScrollDemo(){
        Container container = this.getContentPane();
        //文本域
        JTextArea textArea = new JTextArea(20, 50);
        textArea.setText("欢迎光临");
        //面板Scroll
        JScrollPane scrollPane = new JScrollPane(textArea);
        container.add(scrollPane);

        this.setVisible(true);
        this.setBounds(100,100,300,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }
    public static void main(String[] args) {
        new JScrollDemo();
    }
}