//设置字体,总是不成功,自己试了下,怎么弄字体就是不变,感觉setFont方法有问题import java.awt.*;
import java.awt.event.*;
import java.awt.Component;
class H extends Frame implements ActionListener
{
static H f1=new H();
static TextArea ta=new TextArea();
static Button b1=new Button("黑体");
static Button b2=new Button("楷体");
static Button b3=new Button("宋体");
public static void main (String as[])
{
b1.addActionListener(f1);
b2.addActionListener(f1);
b3.addActionListener(f1);
f1.setBounds(0,0,200,200);
f1.setLayout(new FlowLayout());
f1.add(b1);
f1.add(b2);
f1.add(b3);
f1.add(ta);
f1.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
Button b=(Button)e.getSource();
if(b==b1)
ta.setFont(new Font("黑体",Font.PLAIN,20));
else if(b==b2)
ta.setFont(new Font("楷体",Font.PLAIN,20));
else
ta.setFont(new Font("宋体",Font.PLAIN,20));
}
}java
import java.awt.event.*;
import java.awt.Component;
class H extends Frame implements ActionListener
{
static H f1=new H();
static TextArea ta=new TextArea();
static Button b1=new Button("黑体");
static Button b2=new Button("楷体");
static Button b3=new Button("宋体");
public static void main (String as[])
{
b1.addActionListener(f1);
b2.addActionListener(f1);
b3.addActionListener(f1);
f1.setBounds(0,0,200,200);
f1.setLayout(new FlowLayout());
f1.add(b1);
f1.add(b2);
f1.add(b3);
f1.add(ta);
f1.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
Button b=(Button)e.getSource();
if(b==b1)
ta.setFont(new Font("黑体",Font.PLAIN,20));
else if(b==b2)
ta.setFont(new Font("楷体",Font.PLAIN,20));
else
ta.setFont(new Font("宋体",Font.PLAIN,20));
}
}java
package csdn.programbbs_605;import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextArea;@SuppressWarnings("serial")
public class FontTest extends JFrame {
static JTextArea ta = new JTextArea("哈哈");
static JButton b1 = new JButton("隶书");
static JButton b2 = new JButton("华文行楷");
static JButton b3 = new JButton("宋体");
public FontTest(){
setBounds(0, 0, 200, 200);
setLayout(new FlowLayout());
add(b1);
add(b2);
add(b3);
add(ta);
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ta.setFont(new Font("隶书", Font.PLAIN, 20));
}
});
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ta.setFont(new Font("华文行楷", Font.PLAIN, 50));
}
});
b3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ta.setFont(new Font("宋体", Font.PLAIN, 70));
}
});
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
} public static void main(String[] args) {
FontTest ft = new FontTest();
ft.setVisible(true);
}
}