JAVA:URL之String组件

 1 import javax.swing.*;
 2 import java.awt.*;
 3 import javax.swing.border.*;
 4 public class TestSwingCommonFeatures extends JFrame
 5 {
 6     public TestSwingCommonFeatures()
 7     {
 8         JPanel p1 = new JPanel(new FlowLayout(FlowLayout.LEFT,2,2));//创建一个面板，使用流布局
 9         JButton jbtLeft = new JButton("Left");
10         JButton jbtCenter = new JButton("Center");
11         JButton jbtRight = new JButton("Right");
12         jbtLeft.setBackground(Color.WHITE);//设计背景色
13         jbtCenter.setForeground(Color.GREEN);//设计前景色
14         jbtRight.setToolTipText("This is the Right button");//设置工具提示文本
15         p1.add(jbtLeft);
16         p1.add(jbtCenter);
17         p1.add(jbtRight);
18         p1.setBorder(new TitledBorder("Three Button"));//创建标题边界
19         Font largeFont = new Font("TimesRoman",Font.BOLD,20);//创建字体对象
20         Border lineBorder = new LineBorder(Color.BLACK,2);//创建一个线边界对象
21         JPanel p2 = new JPanel(new GridLayout(1,2,5,5));//创建另一个面板,使用网格布局
22         JLabel jlbRed = new JLabel("Red");
23         JLabel jlbOrange = new JLabel("Orange");
24         jlbRed.setForeground(Color.RED);//设计前景色
25         jlbOrange.setForeground(Color.ORANGE);
26         jlbRed.setFont(largeFont);//设计字体
27         jlbOrange.setFont(largeFont);
28         jlbRed.setBorder(lineBorder);//设计线边界
29         jlbOrange.setBorder(lineBorder);
30         p2.add(jlbRed);
31         p2.add(jlbOrange);
32         p2.setBorder(new TitledBorder("Two Labels"));//设置标题边界
33         setLayout(new GridLayout(2,1,5,5));//边框内设置为网格布局
34         add(p1);//将面板添加到边框内
35         add(p2);
36     }
37     public static void main(String[] agrs)
38     {
39         JFrame frame = new TestSwingCommonFeatures();
40         frame.setTitle("TestSwingCommonFeatures");
41         frame.setSize(300,150);
42         frame.setLocationRelativeTo(null);
43         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
44         frame.setVisible(true);
45     }
46 }