看我用java实现字体的设置 - 黑马程序员技术交流社区

//程序名：Ziti.java
//功能：设置字体的字形、风格、大小、颜色。
//程序员：李显福
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
class Ziti
{
JFrame frame=new JFrame("字体演示");
JPanel panel1=new JPanel();
JPanel panel2=new JPanel();
JPanel panel3=new JPanel();
JLabel label1=new JLabel("字体");
JLabel label2=new JLabel("字号");
JLabel label3=new JLabel("Color");
JLabel label4=new JLabel("我们热爱生活！");
String ziti[]={"华文新魏","宋体","楷体","黑体","仿宋","新宋体","微软雅黑","华文琥珀","华文彩云","华文行楷","幼圆"};
String zihao[]={"2","4","6","8","10","12","14","16","18","20","22","24","26","28","30","32","34","36"};
String color[]={"black","cyan","gray","green","red","white","yellow","pink","orange","magenta","lightGray","darkGray"};
Color c[]={Color.black,Color.cyan,Color.gray,Color.green,Color.red,Color.white,Color.yellow,Color.pink,Color.orange,Color.magenta,Color.lightGray,Color.darkGray};
JComboBox combobox1=new JComboBox(ziti);
JComboBox combobox2=new JComboBox(zihao);
JComboBox combobox3=new JComboBox(color);
JRadioButton radiobutton1=new JRadioButton("常规",true);
JRadioButton radiobutton2=new JRadioButton("粗体");
JRadioButton radiobutton3=new JRadioButton("斜体");
JRadioButton radiobutton4=new JRadioButton("粗斜体");
ButtonGroup buttongroup=new ButtonGroup();
Myziti zitilistener=new Myziti();//创建事件监听器
Ziti()
{
frame.setLayout(new GridLayout(3,1));
frame.add(panel1);
frame.add(panel2);
frame.add(panel3);
panel1.setBorder(BorderFactory.createTitledBorder("字形："));
panel1.add(label1);
panel1.add(combobox1);
panel1.add(label2);
panel1.add(combobox2);
panel1.add(label3);
panel1.add(combobox3);
panel2.setBorder(BorderFactory.createTitledBorder("预览效果："));
panel2.add(label4);
panel3.setBorder(BorderFactory.createTitledBorder("字体风格："));
panel3.add(radiobutton1);
panel3.add(radiobutton2);
panel3.add(radiobutton3);
panel3.add(radiobutton4);
buttongroup.add(radiobutton1);
buttongroup.add(radiobutton2);
buttongroup.add(radiobutton3);
buttongroup.add(radiobutton4);
//---------------------------------------------------------------------------------------
//注册事件监听器
combobox1.addItemListener(zitilistener);
combobox2.addItemListener(zitilistener);
combobox3.addItemListener(zitilistener);
radiobutton1.addItemListener(zitilistener);
radiobutton2.addItemListener(zitilistener);
radiobutton3.addItemListener(zitilistener);
radiobutton4.addItemListener(zitilistener);
//---------------------------------------------------------------------------------------
frame.setSize(400,280);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
}
class Myziti implements ItemListener
{
public void itemStateChanged(ItemEvent e)
{
if(e.getSource()==(JComboBox)combobox1)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.BOLD,20);
label4.setFont(font);
}
if(e.getSource()==(JComboBox)combobox2)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.BOLD,Integer.parseInt(zihao[combobox2.getSelectedIndex()]));
label4.setFont(font);
}
if(e.getSource()==(JComboBox)combobox3)
{
label4.setForeground(c[combobox3.getSelectedIndex()]);
}
if(e.getSource()==(JRadioButton)radiobutton1)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.PLAIN,Integer.parseInt(zihao[combobox2.getSelectedIndex()]));
label4.setFont(font);
}
if(e.getSource()==(JRadioButton)radiobutton2)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.BOLD,Integer.parseInt(zihao[combobox2.getSelectedIndex()]));
label4.setFont(font);
}
if(e.getSource()==(JRadioButton)radiobutton3)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.ITALIC,Integer.parseInt(zihao[combobox2.getSelectedIndex()]));
label4.setFont(font);
}
if(e.getSource()==(JRadioButton)radiobutton4)
{
Font font=new Font(ziti[combobox1.getSelectedIndex()],Font.BOLD+Font.ITALIC,Integer.parseInt(zihao[combobox2.getSelectedIndex()]));
label4.setFont(font);
}
}
}
}
class Zitishezhi
{
public static void main(String args[])
{
Ziti z=new Ziti();
}
}

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