private static  JPanel createMainPanel()//创建一个主面板
{
    JPanel panel=new JPanel();
    JPanel part1=new JPanel();
    part1.add(new JLabel("姓名："));
    JTextField text=new JTextField;
    text.setColumns(10);
    part1.add(text);
    part1.setVisible(true);
    panel.add(part1);
    JPanel paet2=new JPanel();
    paet2.add(new JLable("性别："));//单选框
    ButtonGroup group=ButtonGroup();
    JRadioButton rb=new JRadioButton("男");
    rb.setSelected(true);
    JRadioButton rb1=new JRadioButton("女");
    group.add(rb);
    group.add(rb1);
    part2.add(rb);
    part2.add(rb1);
    part2.setVisible(true);
    panel.add(part2);
    //创建一个容纳复选框的面板
    JPanel part3=new JPanel;
    part3.setLayout(new GridLayout(2,3));
    JCheckBox mb=new JCheckBox("音乐")；
    mb.setSelected(true);
    part3.add(mb);
    part3.add(new JCheckBox("音乐"));
    part3.add(new JCheckBox("看书"));
    part3.add(new JCheckBox("上网"));
    part3.add(new JCheckBox("交际"));
    part3.add(new JCheckBox("工作"));
    part3.setVisible(true);
    part1.add(part3);
    JPanel part4=new JPanel();
    part4.add(new JButton("重置"));
    part4.add(new JButton("确认"));
    part4.setVisible(true);
    part1.add(part4);
    part1.setVisible(true);
    return part1;
}