fontdemo.java

Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想

package chapter14;
import javax.swing.*;
import java.awt.*;
public class FontDemo extends JFrame
{
	JPanel pnlMain;
	JLabel lblSize,lblType,lblTest;
	JRadioButton rbtnRed,rbtnGreen;
	JCheckBox chkBold,chkItalic;
	JButton btnExit;
	ButtonGroup grpColor;
	List lstSize;
	JComboBox cmbType;
	String[] strType={"宋体","隶书","楷体_GB2312","仿宋_GB2312"};
	public FontDemo()
	{
		super("字体设置器");
		lblType=new JLabel("请选择字体");
		lblSize=new JLabel("请选择字形");
		lstSize=new List();
		for (int i=10;i<30;i+=2)
			lstSize.add(String.valueOf(i));
		lstSize.select(0);
		cmbType=new JComboBox(strType);
		cmbType.setSelectedIndex(0);
		grpColor=new ButtonGroup();
		rbtnRed=new JRadioButton("红色");
		grpColor.add(rbtnRed);
		rbtnRed.setSelected(true);
		rbtnGreen=new JRadioButton("绿色");
		grpColor.add(rbtnGreen);
		chkBold=new JCheckBox("加粗");
		chkItalic=new JCheckBox("倾钭");
		lblTest=new JLabel("这是字体设置的测试文字");
		lblTest.setBorder(BorderFactory.createBevelBorder(1));
		btnExit=new JButton("退出");
		pnlMain=new JPanel();
		
		pnlMain.add(lblType);
		pnlMain.add(cmbType);
		pnlMain.add(lblSize);
		pnlMain.add(lstSize);
		pnlMain.add(rbtnRed);
		pnlMain.add(rbtnGreen);
		pnlMain.add(chkBold);
		pnlMain.add(chkItalic);
		pnlMain.add(lblTest);
		pnlMain.add(btnExit);
		this.setContentPane(pnlMain);
		setSize(250,200);
		setVisible(true);
	}
	public static void main(String args[])
	{
		new FontDemo();
	}
}