import java.awt.*;//陈展鹏
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.*;
public class ChenZhanpeng {
static JTextField edit;
static JButton an1,an2,an3,an4,an5,an6,an7,an8,an9,an10,an11,an12,an13,an14,an15,an16,an17,an18;
public static void main(String[]args){
JFrame jf=new JFrame("猪式计算器");
jf.addWindowListener(new WindowListener(){
public void windowActivated(WindowEvent e) {
System.out.println("欢迎您使用猪式计算器");
}
public void windowClosed(WindowEvent e) {
}
public void windowClosing(WindowEvent e) {
System.exit(0);
}
public void windowDeactivated(WindowEvent e) {
}
public void windowDeiconified(WindowEvent e) {
}
public void windowIconified(WindowEvent e) {
}
public void windowOpened(WindowEvent e) {
}
});
jf.setSize(320,300);
Container c=jf.getContentPane();
c.setLayout(new GridLayout(4,5,8,8));
an1=new JButton("<html><h1>1");
an2=new JButton("<html><h1>2");
an3=new JButton("<html><h1>3");
an4=new JButton("<html><h1>4");
an5=new JButton("<html><h1>5");
an6=new JButton("<html><h1>6");
an7=new JButton("<html><h1>7");
an8=new JButton("<html><h1>8");
an9=new JButton("<html><h1>9");
an10=new JButton("<html><h1>.");
an11=new JButton("<html><h1>+");
an12=new JButton("<html><h1>-<h1></html>");
an13=new JButton("<html><h1>*");
an14=new JButton("<html><h1>/");
an15=new JButton("<html><h1>=");
an16=new JButton("<html><h1>0");
an17=new JButton();
an17.setText("<html><h2>清零<h2></html>");
an18=new JButton("<html><h2>退格");
edit=new JTextField();
edit.setSize(300, 50);
c.add(edit);
c.add(an1);
c.add(an2);
c.add(an3);
c.add(an4);
c.add(an5);
c.add(an6);
c.add(an7);
c.add(an8);
c.add(an9);
c.add(an10);
c.add(an11);
c.add(an12);
c.add(an13);
c.add(an14);
c.add(an15);
c.add(an16);
c.add(an17);
c.add(an18);
jf.setVisible(true);
}
}
class jtq implements ActionListener{
public void actionPerformed(ActionEvent e) {
Object a=e.getSource();
JButton t;
t=(JButton)a;
if(t.getText().equals("清零")){
}
}
}
这段代码中，我添加了ActionListener监听器，我想实现，单击清零按钮的时候，edit文本框显示""为空，单击1，2，3。。。。。按钮分别在文本框JTextField edit中显示相应的数字，怎么实现。。。我编不下去了，请高手指点。
