【Java开源代码栏目提醒】:网学会员为广大网友收集整理了,TextFieldExample.java,希望对大家有所帮助!
import java.awt.*;
import java.awt.event.*;
public class TextFieldExample implements TextListener, ActionListener
{
Frame f;
Label lb;
TextField tf;
public static void main(String argv[])
{
new TextFieldExample();
}
public TextFieldExample()
{
f = new Frame ("TextField Example");
f.setLayout(new GridLayout(2,1));
tf = new TextField("", 20);
tf.addTextListener(this);
tf.addActionListener(this);
lb = new Label();
f.add(tf);
f.add(lb);
f.pack();
f.setVisible(true);
}
public void textValueChanged(TextEvent e)
{
lb.setText(tf.getText());
}
public void actionPerformed(ActionEvent e)
{
tf.setText("");
}
}
上一篇:
TextFieldDemo.java
下一篇:
郑州大学自考本科毕业论文范文模版