GUI-Swing-面板Jpanel/滚动条Jscroll
面板
代码：
1 package com.luckylu.gui; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class JPanelDeml extends JFrame { 7 public JPanelDeml() { 8 Container container = this.getContentPane(); 9 container.setLayout(new GridLayout(2,1,10,10)); //后面的间距参数 10 11 JPanel panel1 = new JPanel(new GridLayout(1, 3)); 12 13 panel1.add(new JButton("1-1")); 14 panel1.add(new JButton("1-2")); 15 panel1.add(new JButton("1-3")); 16 17 container.add(panel1); 18 19 this.setVisible(true); 20 this.setTitle("JPanel例子"); 21 this.setBounds(200,200,500,500); 22 this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 23 24 } 25 26 public static void main(String[] args) { 27 new JPanelDeml(); 28 } 29 }
结果：
例子2
1 package com.luckylu.gui; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class JPanelDeml extends JFrame { 7 public JPanelDeml() { 8 Container container = this.getContentPane(); 9 container.setLayout(new GridLayout(2,1,10,10)); //后面的间距参数 10 11 JPanel panel1 = new JPanel(new GridLayout(1, 3)); 12 JPanel panel2 = new JPanel(new GridLayout(1, 2)); 13 JPanel panel3 = new JPanel(new GridLayout(2, 1)); 14 JPanel panel4 = new JPanel(new GridLayout(3, 2)); 15 16 17 panel1.add(new JButton("1-1")); 18 panel1.add(new JButton("1-2")); 19 panel1.add(new JButton("1-3")); 20 panel2.add(new JButton("2-1")); 21 panel2.add(new JButton("2-2")); 22 panel3.add(new JButton("3-1")); 23 panel3.add(new JButton("3-2")); 24 panel4.add(new JButton("4-1")); 25 panel4.add(new JButton("4-2")); 26 panel4.add(new JButton("4-3")); 27 panel4.add(new JButton("4-4")); 28 panel4.add(new JButton("4-5")); 29 panel4.add(new JButton("4-6")); 30 31 container.add(panel1); 32 container.add(panel2); 33 container.add(panel3); 34 container.add(panel4); 35 36 this.setVisible(true); 37 this.setTitle("JPanel例子"); 38 this.setBounds(200,200,500,500); 39 this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 40 41 } 42 43 public static void main(String[] args) { 44 new JPanelDeml(); 45 } 46 }
结果
带滚动条的面板
代码：
1 package com.luckylu.gui; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class JScrollDemo extends JFrame { 7 public JScrollDemo() { 8 Container container = this.getContentPane(); 9 10 //创建文本域 11 JTextArea textArea = new JTextArea(20, 50);//设置文本域的行数和列数 12 textArea.setText("请输入~~~~"); //设置文本域的默认文本 13 14 //Scroll面板 15 JScrollPane scrollPane = new JScrollPane(textArea); //创建面板并将文本域装入面板 16 container.add(scrollPane); //将面板装入容器 17 18 this.setVisible(true); 19 this.setTitle("带滚动条的文本框"); 20 this.setBounds(200,200,300,280); 21 this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 22 23 } 24 25 public static void main(String[] args) { 26 new JScrollDemo(); 27 } 28 }
结果：
