爱心源码Java开发俄罗斯方块游戏

package cn.com.dwm.tetris.ui; import java.awt.Dimension; import java.awt.Toolkit; import javax.swing.JFrame; public class FrameGame extends JFrame{ public FrameGame () { //设置标题 this.setTitle("Java俄罗斯方块"); //设计默认关闭属性（程序结束） this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //设置窗口大小 this.setSize(1200, 700); //设置用户不能改变窗口大小 this.setResizable(false); //居中显示 Toolkit toolkit = Toolkit.getDefaultToolkit(); Dimension screen = toolkit.getScreenSize(); int h = (screen.height-this.getHeight())/2-15; int y = (screen.width-this.getWidth())/2; this.setLocation(y, h); //设置默认panel this.setContentPane(new PanelGame()); } }