Swing程序设计实践与练习1-白红宇

Swing程序设计实践与练习1

阅读量：5104 次

发布时间：2019-06-13

本文共 1950 字，大约阅读时间需要 6 分钟。

public class asd extends JFrame{    public asd() {        // TODO Auto-generated constructor stub        Container c = getContentPane();        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);        JPanel jp1 = new JPanel();        JPanel jp2 = new JPanel();        JPanel jp3 = new JPanel();                        JComboBox
     
       jc = new JComboBox<>(new MyComboBox());        jp1.add(jc);                        JRadioButton jr1 = new JRadioButton("男");        JRadioButton jr2 = new JRadioButton("女");        ButtonGroup group = new ButtonGroup();        group.add(jr1);        group.add(jr2);        jp2.add(jr1);        jp2.add(jr2);                        JButton jb1 = new JButton("确定");        JButton jb2 = new JButton("取消");        jp3.add(jb1);        jp3.add(jb2);                c.add(jp1);        c.add(jp2);        c.add(jp3);        setSize(300,300);        setLayout(new GridLayout(3,1,5,5));        setVisible(true);    }    public static void main(String[] args) {        // TODO Auto-generated method stub        new asd();    }}

public class MyComboBox extends AbstractListModel
     
       implements ComboBoxModel
      
       {    private static final long serialVersionUID = 1L;    String selceteditem = null;    String[] test = {"红","蓝","白","黑"};    public int getSize() {        // TODO Auto-generated method stub        return test.length;    }    @Override    public String getElementAt(int index) {        // TODO Auto-generated method stub        return test[index];    }    @Override    public void setSelectedItem(Object anItem) {        // TODO Auto-generated method stub        selceteditem = (String)anItem;    }    @Override    public Object getSelectedItem() {        // TODO Auto-generated method stub        return selceteditem;    }        public int getInex() {        // TODO Auto-generated method stub        for(int i=0;i