关于JAVA中单选按钮问题

Question

在JAVA中能不能实现点单选按钮后面对按钮说明的文字而选中按钮的功能，若能的话，那实现的代码是什么呢？谢谢各位大侠了！

Answer 1

给你发给完整能用的吧！import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;public class DBChoose extends JFrame implements ItemListener
{
private static final long serialVersionUID = 1L; private JPanel jContentPane = null; // 远程数据库地址类型选择
private JRadioButton radiobtn_serverip = null; private JRadioButton radiobtn_servername = null; // 单选按钮组
private ButtonGroup btngrp = null; // @jve:decl-index=0: public String str_url = null; public String str_servername = null; public static String str_serverAddress = null; private JPanel radioPanel = null; private JLabel lab_choose = null;
public DBChoose()
{
super();
initialize();
} private void initialize()
{
this.setSize(377, 226);
this.setContentPane(getJContentPane());
this.setTitle("数据库选择");
this.setResizable(false);
//设置窗口位置居中
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = this.getSize();
if (frameSize.height > screenSize.height)
{
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width)
{
frameSize.width = screenSize.width;
}
this.setLocation((screenSize.width - frameSize.width) / 2,
(screenSize.height - frameSize.height) / 2);
this.setVisible(true);
}
private JPanel getJContentPane()
{
if (jContentPane == null)
{ jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getRadioPanel(), null);
jContentPane.add(getLab_choose(), null); }
return jContentPane;
}
private JRadioButton getRadiobtn_serverip()
{
if (radiobtn_serverip == null)
{
radiobtn_serverip = new JRadioButton();
radiobtn_serverip.setText("服务器IP地址：");
radiobtn_serverip.setBounds(new Rectangle(8, 6, 118, 23));
radiobtn_serverip.setSelected(false);
radiobtn_serverip.addItemListener(this);
}
return radiobtn_serverip;
} private JRadioButton getRadiobtn_servername()
{
if (radiobtn_servername == null)
{
radiobtn_servername = new JRadioButton();
radiobtn_servername.setText("服务器主机名：");
radiobtn_servername.setBounds(new Rectangle(8, 31, 118, 23));
radiobtn_servername.setSelected(true);
radiobtn_servername.addItemListener(this);
}
return radiobtn_servername;
} private ButtonGroup setBtngrp()
{
if (btngrp == null)
{
btngrp = new ButtonGroup();
btngrp.add(getRadiobtn_serverip());
btngrp.add(getRadiobtn_servername());
} return btngrp;
} public void itemStateChanged(ItemEvent e)
{
if (radiobtn_serverip.isSelected())
{//添加自己想做的事情
}
else if (radiobtn_servername.isSelected())
{
// 添加自己想做的事情
}
}
private JPanel getRadioPanel()
{
if (radioPanel == null)
{
radioPanel = new JPanel();
radioPanel.setLayout(null);
radioPanel.setBounds(new Rectangle(35, 61, 135, 60));
radioPanel.add(getRadiobtn_serverip(), null);
radioPanel.add(getRadiobtn_servername(), null);
setBtngrp();
}
return radioPanel;
} public JLabel getLab_choose()
{
if (lab_choose == null)
{
lab_choose = new JLabel();
lab_choose.setBounds(new Rectangle(38, 14, 193, 31));
lab_choose.setText("请选着数据库地址：");
}
return lab_choose;
}
public static void main(String []args)
{
new DBChoose();
}
}