textfa.java

来自「一个java的源文件」· Java 代码 · 共 40 行

import java.awt.*;
import java.awt.event.*;
public class TextFA
{
	private Frame f=new Frame("将单行编辑框中的内容添加到多行编辑框中");
	private TextField tf=new TextField(20);
	private TextArea ta=new TextArea("",5,10,TextArea.SCROLLBARS_BOTH);
	Font ft=new Font("Serif",Font.BOLD,28);
	public static void main(String args[])
	{
		TextFA that=new TextFA();
		that.go();
	}
	void go()
	{
		f.setLayout(new BorderLayout(0,10));
		f.add("North",tf);
		f.add("Center",ta);
		tf.addActionListener(new TextHandler());
		f.addWindowListener(new WindowHandler());
		f.setSize(450,250);
		f.setResizable(true);
		f.setVisible(true);
	}
	class TextHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			ta.append(tf.getText()+"\n");
			tf.setText("");
		}
	}
	class WindowHandler extends WindowAdapter
	{
		public void windowClosing(WindowEvent e)
		{
			System.exit(1);
		}
	}
}