example7_7.java

来自「不错的教程 适合中高级人员的使用」· Java 代码 · 共 49 行

import java.awt.*;
import java.awt.event.*;
import java.math.*;


class  MyButton extends Button implements ActionListener
{
	String name;TextField text;
	Container con;
   
	MyButton(String s,Container con)
	{
     super(s);
	 this.con=con;
	 text=new TextField(10);
	 text.addActionListener(this);
	 this.addActionListener(this);
	 con.add(text);con.add(this);	 
	}
	public void actionPerformed(ActionEvent e)
	{
		name=text.getText();
		this.setLabel(name);
		con.validate();
	}
}

class  WindowOk extends Frame 
{
	MyButton button;
   
	WindowOk()
	{
     setLayout(new FlowLayout());
	 button=new MyButton("确定",this);
	 setBounds(100,100,150,150);
	 setVisible(true);
	 validate();
	}
}

public class Example7_7
{
	public static void main(String[] args) 
	{
		WindowOk win=new WindowOk();
	}
}