diff --git a/Block.java b/Block.java
new file mode 100644
index 0000000..6d203b2
--- /dev/null
+++ b/Block.java
@@ -0,0 +1,305 @@
+package model;
+
+import java.util.TimerTask;
+import java.util.Timer;
+
+import util.Constant;
+import view.GameCanvas;
+import view.MyFrame;
+
+/**
+ * 由 4 * 4 个方格（Box）构成一个块， 控制块的移动、下落、变形等
+ */
+
+public class Block {
+
+	private GameCanvas gc;//画布
+	private Box[][] boxs = new Box[4][4];
+//	public static int[][] yinying=new int[4][4];
+	public int  y, x;
+	public int style;
+	public int newH = 0;
+	public int newL = 0;
+	private static int st = 7;//默认属于初级
+	public boolean isAlive = false;//判断方块是否存活
+	public boolean pausing = false;//暂停为假
+
+	/**
+	 * 设置方块数量
+	 */
+	public static void set_addl(int a) {
+		Block.st = a;
+	}
+
+	/**
+	 * 获取方块数量
+	 */
+	public static int get_addl() {
+		return st;
+	}
+
+	/**
+	 * 空构造函数
+	 */
+	public Block() {
+
+	}
+
+	/**
+	 * 构造函数，产生一个特定的块
+	 * 
+	 * @param style
+	 *            块的样式，对应STYLES的28个值中的一个
+	 * @param y
+	 *            起始位置，左上角在canvas中的坐标行
+	 * @param x
+	 *            起始位置，左上角在canvas中的坐标列
+	 * @param level
+	 *            游戏等级，控制块的下落速度
+	 * @param canvas
+	 *            画板
+	 */
+	public Block(int style, int y, int x,  GameCanvas gc) {
+		this.style = style;
+		this.y = y;
+		this.x = x;
+		this.gc = gc;
+		// this.high=high;
+		int key = 0x8000;// 匹配器
+		// 获得一种方块
+		for (int i = 0; i < boxs.length; i++) {
+			for (int j = 0; j < boxs[i].length; j++) {
+				boolean isColor = ((style & key) != 0);
+				boxs[i][j] = new Box(isColor);
+				key >>= 1;
+			}
+		}
+		display();// 调用显示函数
+
+	}
+
+	/**
+	 * 将当前块从画布的对应位置移除，要等到下次重画画布时才能反映出来
+	 */
+	public void earse() {
+		for (int i = 0; i < 4; i++) {
+			for (int j = 0; j < 4; j++) {
+				if (boxs[i][j].isColorBox()) {
+					Box box = gc.getBox(i + y, j + x);
+					if (box == null)
+						continue;
+					box.setColor(false);
+				}
+			}
+		}
+	}
+
+	/**
+	 * 让当前块放置在画布的对应位置上，要等到下次重画画布时才能看见
+	 */
+	public void display() {
+		for (int i = 0; i < 4; i++) {
+			for (int j = 0; j < 4; j++) {
+				if (boxs[i][j].isColorBox()) {
+					Box box = gc.getBox(y + i, x + j);// 获得在游戏界面的位置
+					if (box == null)
+						continue;
+					else
+						box.setColor(true);
+				}
+			}
+		}
+	}
+
+	/**
+	 * 左移方法
+	 */
+	public void moveLeft() {
+
+		newL = x - 1;
+		newH = y;
+		if (isMoveAble(newH, newL) && !pausing) {
+			earse();
+			x--;
+			display();
+			gc.repaint();
+		}
+	}
+
+	/**
+	 * 右移方法
+	 */
+	public void moveRight() {
+
+		newL = x + 1;
+		newH = y;
+		if (isMoveAble(newH, newL) && !pausing) {
+			earse();
+			x++;
+			display();
+			gc.repaint();
+		}
+	}
+
+	/**
+	 * 向下加速
+	 */
+	public void moveDown() {
+		newL = x;
+		newH = y + 1;
+		if (pausing == true)
+			return;
+		if (isMoveAble(newH, newL)) {
+			earse();
+			y++;
+			display();
+			gc.repaint();
+		} else {
+			isAlive = false;
+			// mytask.cancel();
+		}// 取消定时器任务
+	}
+
+	/**
+	 * 瞬间到达底部
+	 */
+	public void quickDown() {
+		newL = x;
+		newH = y + 1;
+		while (isMoveAble(newH, newL)) {
+			earse();
+			y++;
+			display();
+			gc.repaint();
+			newL = x;
+			newH = y + 1;
+		}
+		isAlive = false;
+	}
+
+/*	*//**
+	 * 阴影实现
+	 *//*
+	public void yy() {
+		int yy = y;
+		newL = x;
+		newH = yy + 1;
+
+		while (isMoveAble(newH, newL)) {
+			earse();
+			yy++;
+			display();
+			newL = x;
+			newH = yy + 1;
+		}
+		earse();
+		for (int i = 0; i < 4; i++) {
+			for (int j = 0; j < 4; j++) {
+				if (boxs[i][j].isColorBox() == true)
+					yinying[i][j]=yy+j;
+			}
+		}
+	}*/
+	/**
+	 * 旋转功能的实现
+	 */
+	public void moveUp() {
+		earse();
+		if (pausing == true)
+			return;
+		if (isChangeAble()) {
+			// 获取下一形态
+			int key = 0x8000;
+			for (int a = 0; a < 4; a++) {
+				for (int b = 0; b < 4; b++) {
+					boolean isColor = ((this.style & key) != 0);
+					boxs[a][b].setColor(isColor);
+					key >>= 1;
+				}
+			}
+			display();
+			gc.repaint();
+		}
+	}
+
+	/**
+	 * 
+	 * 判断是否可以移动 获取下个位置是否为空，或者已经是有颜色的
+	 */
+	public boolean isMoveAble(int newH, int newL) {
+		earse();
+		for (int i = 0; i < 4; i++) {
+			for (int j = 0; j < 4; j++) {
+				if (boxs[i][j].isColorBox()) {
+					Box box = gc.getBox(newH + i, newL + j);
+					if (box == null || (box.isColorBox())) {
+						display();// 显示原先的位置
+						return false;
+					}
+				}
+			}
+		}
+		display();
+		return true;
+	}
+
+	/**
+	 * 判断是否可以进行变形
+	 */
+	private boolean isChangeAble() {
+		int key = 0x8000;
+		int newStyle = 0;
+		earse();
+		for (int i = 0; i < st; i++) {
+			for (int j = 0; j < 4; j++) {
+				if (Constant.STYLES[i][j] == this.style) {
+					newStyle = Constant.STYLES[i][(j + 1) % 4];// 取得下一个状态
+					break;
+				}
+
+				// display();
+			}
+		}
+		// 判断此状态在游戏界面上显示是否有障碍
+		for (int a = 0; a < boxs.length; a++) {
+			for (int b = 0; b < boxs[a].length; b++) {
+				if ((newStyle & key) != 0) {
+					Box box = gc.getBox(y + a, x + b);
+					if (box == null || box.isColorBox()) {
+						// display();
+						return false;
+					}
+				}
+				key >>= 1;
+			}
+		}
+		this.style = newStyle;
+		return true;
+	}
+
+	/**
+	 * 暂停
+	 */
+	public void pause() {
+		// TODO Auto-generated method stub
+		if (MyFrame.playing == true) {
+			pausing = true;
+			// isMoveAble(newH, newL);
+			gc.pau = true;
+			gc.repaint();
+		}
+	}
+
+	/**
+	 * 继续
+	 */
+	public void jixu() {
+		if (MyFrame.playing == true) {
+			pausing = false;
+			gc.pau = false;
+			gc.repaint();
+			;
+		}
+	}
+
+}
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