ADD file via upload

scr_252Ftetris/Tetris.java

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+package tetris;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+public class Tetris extends JFrame {
+    private final ResourceManager resManager = ResourceManager.getInstance();
+    private CardLayout cardLayout = new CardLayout();
+    private JPanel container = new JPanel(cardLayout);
+
+    public Tetris() {
+        initUI();
+        resManager.playPrepareMusic();
+    }
+
+    private void initUI() {
+        setTitle("俄罗斯方块");
+        setSize(510, 650);
+        setResizable(false);
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+
+        NextBlockPanel rightPanel = new NextBlockPanel();
+        GamePanel gamePanel = new GamePanel(rightPanel);
+        rightPanel.setGamePanel(gamePanel);
+
+        PreparePanel preparePanel = new PreparePanel(() -> {
+            cardLayout.show(container, "game");
+            resManager.playBackgroundMusic();  // 只需调用这个方法即可
+            gamePanel.requestFocusInWindow();
+        });
+
+        container.add(preparePanel, "prepare");
+        container.add(createGameContainer(gamePanel, rightPanel), "game");
+
+        add(container);
+        setLocationRelativeTo(null);
+        setVisible(true);
+    }
+
+    private JPanel createGameContainer(GamePanel gamePanel, NextBlockPanel rightPanel) {
+        JPanel panel = new JPanel(new BorderLayout());
+        panel.add(gamePanel, BorderLayout.CENTER);
+        panel.add(rightPanel, BorderLayout.EAST);
+        return panel;
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(Tetris::new);
+    }
+}