import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
…………;
private class TextAreaHandler implements ActionListener
{
public void actionPerformed(ActiveEvent event)
{
if(event.getSource()==button1)
{
textArea.copy();
}
else if(event.getSource()==button2)
{
textArea.paste();
}
else if(event.getSource()==button3)
{
textArea.cut();
}
}
…………测试后错误提示:
java:54: cannot resolve symbol
symbol : method getSource ()
location: interface java.awt.ActiveEvent
else if(event.getSource()==button3)
请问大家这是怎么回事啊?
调用了ActionListener类但是找不到getSource()方法啊?
import java.awt.*;
import java.awt.event.*;
…………;
private class TextAreaHandler implements ActionListener
{
public void actionPerformed(ActiveEvent event)
{
if(event.getSource()==button1)
{
textArea.copy();
}
else if(event.getSource()==button2)
{
textArea.paste();
}
else if(event.getSource()==button3)
{
textArea.cut();
}
}
…………测试后错误提示:
java:54: cannot resolve symbol
symbol : method getSource ()
location: interface java.awt.ActiveEvent
else if(event.getSource()==button3)
请问大家这是怎么回事啊?
调用了ActionListener类但是找不到getSource()方法啊?
解决方案 »
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