import java.awt.FlowLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;import javax.swing.JFrame;
import javax.swing.JLabel;
public class frametry
{
JFrame jf=new JFrame();
private JLabel jl;
int x1,x2,y1,y2;
public frametry()
{
jf=new JFrame();
jf.setLayout(new FlowLayout());
jf.setBounds(200,200,200,150);
jf.setVisible(true);
jl=new JLabel();
jf.getContentPane().add(jl);
}
public void Event()
{
jl.addMouseListener(new MouseAdapter()
{
public void MouseClicked(MouseEvent e)
{
x1=e.getX();
y1=e.getY();
System.out.print("11111");
}
});
}
public static void main(String args[])
{
new frametry();
}
}监听器里的方法不是在有动作触发后才执行的么 为什么会报MouseClicked这个方法会never used locally呢
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;import javax.swing.JFrame;
import javax.swing.JLabel;
public class frametry
{
JFrame jf=new JFrame();
private JLabel jl;
int x1,x2,y1,y2;
public frametry()
{
jf=new JFrame();
jf.setLayout(new FlowLayout());
jf.setBounds(200,200,200,150);
jf.setVisible(true);
jl=new JLabel();
jf.getContentPane().add(jl);
}
public void Event()
{
jl.addMouseListener(new MouseAdapter()
{
public void MouseClicked(MouseEvent e)
{
x1=e.getX();
y1=e.getY();
System.out.print("11111");
}
});
}
public static void main(String args[])
{
new frametry();
}
}监听器里的方法不是在有动作触发后才执行的么 为什么会报MouseClicked这个方法会never used locally呢
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;import javax.swing.JFrame;
import javax.swing.JLabel;public class frametry {
JFrame jf = new JFrame();
private JLabel jl;
int x1, x2, y1, y2;
public frametry() {
jf = new JFrame();
jf.setLayout(new FlowLayout());
jf.setBounds(200, 200, 200, 150);
jf.setVisible(true);
jl = new JLabel("Test");
jf.getContentPane().add(jl);
jl.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
x1 = e.getX();
y1 = e.getY();
System.out.print("11111");
}
});
}
public static void main(String args[]) {
new frametry();
}
}