import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Insets;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.HashSet;
import java.util.Random;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class choujiang extends JFrame {
private JPanel imagePanel, p2;
private ImageIcon background, anniu;
private JButton kaishi, one, second, third, four, five, six;
protected Object s;
public static int b = 1;
public JTextField jt;
public String text="记录：
";
public void run() {
System.out.println("1");
}
public choujiang() {
background = new ImageIcon("img/1.jpg");// 背景图片
anniu = new ImageIcon("img/2.png");
JLabel label = new JLabel(background);// 把背景图片显示在一个标签里面
label.setBounds(0, 0, background.getIconWidth(),
background.getIconHeight());
// //把内容窗格转化为JPanel，否则不能用方法setOpaque()来使内容窗格透明
imagePanel = (JPanel) this.getContentPane();
imagePanel.setOpaque(false);
// //内容窗格默认的布局管理器为BorderLayout
kaishi = new JButton(anniu);
kaishi.setSize(45, 40);
kaishi.setLocation(168, 249);
kaishi.setBackground(Color.yellow);
kaishi.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(b<=3){
b++;
t t = new t();
t.run();
Random r = new Random();
int a = r.nextInt(6) + 1;
chushihua();
if (a == 1) {
one.setBackground(Color.yellow);
jt.setText("恭喜您获得了一等奖");
text=text+"恭喜您获得了一等奖
";
} else if (a == 2) {
second.setBackground(Color.yellow);
jt.setText("恭喜您获得了二等奖");
text=text+"恭喜您获得了二等奖
";
} else if (a == 3) {
third.setBackground(Color.yellow);
jt.setText("恭喜您获得了三等奖");
text=text+"恭喜您获得了三等奖
";
} else if (a == 4) {
four.setBackground(Color.yellow);
jt.setText("恭喜您获得了优秀奖");
text=text+"恭喜您获得了优秀奖
";
} else if (a == 5) {
five.setBackground(Color.yellow);
jt.setText("恭喜您获得了再抽一次");
text=text+"恭喜您获得了再抽一次
";
} else if (a == 6) {
six.setBackground(Color.yellow);
jt.setText("别灰心，下次加油");
text=text+"别灰心，下次加油
";
}
}else{
JOptionPane.showMessageDialog(imagePanel, "您的抽奖次数已经用完请点击退出！","关闭！",JOptionPane.WARNING_MESSAGE);
}
}
});
Random random = new Random();
Object[] values = new Object[6];
HashSet hashSet = new HashSet();
for(int i = 0;i < values.length;i++){
int number = random.nextInt(1000) + 1;
hashSet.add(number);
}
values = hashSet.toArray();
one = new JButton("一");
one.setMargin(new Insets(0, 0, 0, 0));
one.setSize(30, 30);
one.setLocation(108, 174);
one.setBackground(Color.PINK);
second = new JButton("二");
second.setMargin(new Insets(0, 0, 0, 0));
second.setSize(30, 30);
second.setLocation(219, 162);
second.setBackground(Color.PINK);
third = new JButton("三");
third.setMargin(new Insets(0, 0, 0, 0));
third.setSize(30, 30);
third.setLocation(305, 249);
third.setBackground(Color.PINK);
four = new JButton("四");
four.setMargin(new Insets(0, 0, 0, 0));
four.setSize(30, 30);
four.setLocation(248, 332);
four.setBackground(Color.PINK);
five = new JButton("五");
five.setMargin(new Insets(0, 0, 0, 0));
five.setSize(30, 30);
five.setLocation(128, 349);
five.setBackground(Color.PINK);
six = new JButton("六");
six.setMargin(new Insets(0, 0, 0, 0));
six.setSize(30, 30);
six.setLocation(48, 259);
six.setBackground(Color.PINK);
jt = new JTextField();
jt.setSize(332, 32);
jt.setLocation(36, 565);
imagePanel.setLayout(null);
imagePanel.add(kaishi);
imagePanel.add(one);
imagePanel.add(second);
imagePanel.add(third);
imagePanel.add(four);
imagePanel.add(five);
imagePanel.add(six);
imagePanel.add(jt);
this.getLayeredPane().setLayout(null);
// 把背景图片添加到分层窗格的最底层作为背景
this.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE));
// this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(background.getIconWidth(), background.getIconHeight()+42);
this.setVisible(true);
}
public static void main(String[] args) {
choujiang t = new choujiang();
t.setVisible(true);
}
public void chushihua(){
one.setBackground(Color.PINK);
second.setBackground(Color.PINK);
third.setBackground(Color.PINK);
four.setBackground(Color.PINK);
five.setBackground(Color.PINK);
six.setBackground(Color.PINK);
}
public JTextField getJT(){
return jt;
}
}
class t extends Thread {
public void run() {
try {
sleep(1000);
System.out.println("a");
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
本周作业要求制作限定抽奖人数和不重复奖项的抽奖系统，由于我们组上学期的期末设计就是抽奖系统，所以本次作业只是进行了改进一部分代码，主要是添加了限定人数的代码。运行结果如图所示。
