selectlevel.java

JAVA的俄罗斯方块

package tao;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class selectlevel extends JFrame implements ActionListener
{
static int setlevel;
JComboBox level=new JComboBox();
JButton enter=new JButton("确定");

public selectlevel()
{
super("请选择一个级别");
setSize(240,100);
setLocation(280,150);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
enter.addActionListener(this);
JPanel pane=new JPanel();
JLabel exp=new JLabel("选择级别:");
pane.add(exp);
for(int i=0;i<11;i++)
level.addItem(""+i);
pane.add(level);
pane.add(enter);
setContentPane(pane);
show();
}

public void actionPerformed(ActionEvent evt)
{
Object source=evt.getSource();
if(source==enter)
{
setlevel=level.getSelectedIndex();
      //selectlevel2.setlevel1=setlevel;
     // selectlevel2 level2= new selectlevel2();
    //level2.requestFocus(true);
    //level2.setValue(selectlevel2.setlevel1);
    //level2.setFocusable(false);
   dispose();
}
}
}