JPanel是轻量级容器。解释:按钮、文本框等都可以放在这个容器中(形象的比喻就是JPanel是个罐子)。JPanel面板本身是不能作为窗口进行显示,必须依赖于JFrame容器等进行显示。
import java.awt.*;import javax.swing.*;import java.awt.event.*;public class DirectionPanel extends JPanel {private final int width=300,height=200,jump=10,image_size=31;private ImageIcon up,down,right,left,currentImage;private int x,y;...
JPanel jp1,jp2,jp3; JTextField jt; JPasswordField jpwd; JLabel jl1,jl2; public static void main(String[] args) { MyClass myclass = new MyClass(); } public MyClass(){ //创建组件 jb1 = new JButton("确认"); jb2 = new JButton("取消"); jp1 = new JPanel(); jp2 = new J...
import java.awt.*;import javax.swing.*;import java.awt.event.*;public class DirectionPanel extends JPanel {private final int width=300,height=200,jump=10,image_size=31;private ImageIcon up,down,right,left,currentImage;private int x,y;...