diff --git a/src/java2020spring/Draw b/src/java2020spring/Draw
new file mode 100644
index 0000000000000000000000000000000000000000..92ede77a6c4cf1ee845fa7a74b70bca7b94de846
--- /dev/null
+++ b/src/java2020spring/Draw
@@ -0,0 +1,94 @@
+package java2020spring;
+
+import java.awt.BasicStroke;
+import java.awt.FlowLayout;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import javax.swing.JFrame;
+import java.awt.Color;
+import java.awt.Dimension;
+import javax.swing.JButton;
+
+
+public class Draw extends JFrame{
+
+	public static void main(String[] args) {
+		Draw draw=new Draw();
+		draw.Ondraw();
+	}
+	private Paint[] array = new Paint[100000];
+	private int x1, y1, x2, y2;
+	
+	public void paint (Graphics g) {
+		super.paint(g);
+		Graphics2D g2d = (Graphics2D) g;
+		
+		for (int i=0;i<array.length;i++) {
+			Paint p = array[i];
+			if(p!=null) {
+				x1=p.getX1();
+				x2=p.getX2();
+				y1=p.getY1();
+				y2=p.getY2();
+				
+			g.setColor(p.getColor());
+			if(p.getName().equals("画直线")) {
+					g.drawLine(x1, y1, x2, y2);	
+			} else if(p.getName().equals("画矩形")) {
+					g.drawRect(Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2),Math.abs(y1-y2));
+			} else if(p.getName().equals("画圆")) {
+					g.drawOval(Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2),Math.abs(y1-y2));
+			} else if(p.getName().equals("点我")) {
+					g.drawString("老师幸苦了！谢谢老师！", x1, y1);
+			} else if(p.getName().equals("笔")||p.getName().equals("刷子")||p.getName().equals("橡皮")) {
+					g2d.setStroke(new BasicStroke(p.getWidth()));
+					g2d.drawLine(x1, y1, x2, y2);
+			} else if(p.getName().equals("喷枪")) {
+		    		g.drawLine(x1,y1,x2,y2);	
+				} 
+			else
+					break;
+				
+			}
+	}
+	}
+	
+	public void Ondraw() {
+	
+		this.setTitle("我的画板QAQ");
+		this.setSize(900,700);
+		this.setDefaultCloseOperation(3);
+		this.setLocationRelativeTo(null);
+		
+		FlowLayout fl = new FlowLayout(FlowLayout.RIGHT);
+		this.setLayout(fl);
+		
+		DrawListener dl = new DrawListener(this,array);
+		
+		String[] typeArray = {"画直线","画矩形","画圆","点我","笔","刷子","橡皮","喷枪"};
+		for(int i=0;i<typeArray.length;i++) {
+			JButton button = new JButton(typeArray[i]);
+			button.setPreferredSize(new Dimension(95,30));
+			this.add(button);
+			button.addActionListener(dl);
+		}
+		
+		Color[] colorArray = {Color.red,Color.green,Color.blue,Color.pink,Color.black,Color.ORANGE,Color.DARK_GRAY,Color.cyan};
+		for(int i=0;i<colorArray.length;i++) {
+			JButton button = new JButton();
+			button.setBackground(colorArray[i]);
+			button.setPreferredSize(new Dimension(15,15));
+			this.add(button);
+			button.addActionListener(dl);
+		}
+		
+		this.setVisible(true);
+		
+		Graphics g = this.getGraphics();
+		
+		dl.setG(g);
+		this.addMouseListener(dl);	
+		this.addMouseMotionListener(dl);
+	}
+}
diff --git a/src/java2020spring/DrawListener b/src/java2020spring/DrawListener
new file mode 100644
index 0000000000000000000000000000000000000000..c512cddc44f7e889e2c0faee0249703eb7560523
--- /dev/null
+++ b/src/java2020spring/DrawListener
@@ -0,0 +1,154 @@
+package java2020spring;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.util.Random;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class DrawListener  implements MouseListener,MouseMotionListener,ActionListener{
+    private int x1,x2,y1,y2;
+	private Graphics2D g;
+	public String name = "直线";
+	private Color color = Color.red;
+	private JFrame frame;
+	
+	private Paint[] array;
+	private int index = 0;
+	
+	public DrawListener(JFrame frame,Paint[] array) {
+	this.frame = frame;
+	this.array = array;
+	}
+
+	public void setG(Graphics g) {
+	this.g = (Graphics2D) g;
+	}
+	
+	public void actionPerformed(ActionEvent e) {
+		System.out.println("点击的按钮是："+e.getActionCommand());
+		if(e.getActionCommand().equals("")) {
+			JButton button = (JButton) e.getSource();
+			color = button.getBackground();
+		}else {
+			name=e.getActionCommand();	
+		}
+	}
+	
+	public void mouseDragged(MouseEvent e){
+		x2 = e.getX();
+		y2 = e.getY();
+	switch(name) {
+		case "笔":
+			g.setStroke(new BasicStroke(2));
+			g.drawLine(x1, y1, x2, y2);
+			Paint paint = new Paint(x1,y1,x2,y2,color,name,2);
+			if(index<1000)
+				array[index++] = paint;
+			x1 = x2;
+			y1 = y2;	
+			break;
+		case "刷子":
+			g.setStroke(new BasicStroke(11));
+			g.drawLine(x1, y1, x2, y2);
+			Paint pain = new Paint(x1,y1,x2,y2,color,name,11);
+			if(index<1000)
+				array[index++] = pain;
+			x1 = x2;
+			y1 = y2;	
+			break;
+		case "橡皮":
+			color = frame.getContentPane().getBackground();
+    		g.setColor(color);
+    		g.setStroke(new BasicStroke(50));
+			g.drawLine(x1, y1, x2, y2);
+			Paint pai = new Paint(x1,y1,x2,y2,color,name,50);
+			if(index<1000)
+				array[index++] = pai;
+			x1 = x2;
+			y1 = y2;	
+    		break;
+		case "喷枪":
+			Random rand = new Random();
+    		for(int i=0;i<20;i++) 
+    		{
+    		int p = rand.nextInt(20);
+    		int q = rand.nextInt(20);
+    		g.drawLine(x2+p, y2+q, x2+p, y2+q);
+    	
+    			Paint pa = new Paint(x2+p, y2+q, x2+p, y2+q,color,name);
+    			if(index<1000)
+    				array[index++] = pa;
+    		}
+			x1 = x2;
+			y1 = y2;
+			break;
+		 }	
+	 }
+		
+	public void mouseMoved(MouseEvent e) {
+     }
+
+    public void mouseClicked(MouseEvent e) {
+    	System.out.println("点击");
+    }
+
+    public void mousePressed(MouseEvent e) {
+    	System.out.println("按下");
+    	x1 = e.getX();
+    	y1 = e.getY();
+    	g.setColor(color);
+    }
+
+    public void mouseReleased(MouseEvent e) {
+    	System.out.println("释放");
+    	x2 = e.getX();
+    	y2 = e.getY();
+    	
+    	g.setStroke(new BasicStroke(1));
+    	switch(name) {
+    	case "画直线":
+    		g.drawLine(x1, y1, x2, y2);
+    		Paint paint = new Paint(x1,y1,x2,y2,color,name,1);
+    		if(index<1000)
+    			array[index++] = paint;
+        	break;
+    	
+    	case "画矩形":
+    		g.drawRect(Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2),Math.abs(y1-y2));
+    		Paint k = new Paint(x1,y1,x2,y2,color,name,1);
+    		if(index<1000)
+    			array[index++] = k;
+    		break;
+    		
+    	case "画圆":
+    		g.drawOval(Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2),Math.abs(y1-y2));
+    		Paint f = new Paint(x1,y1,x2,y2,color,name,1);
+    		if(index<1000)
+    			array[index++] = f;
+    		break;
+    		
+    	case "点我":
+    		g.drawString("老师幸苦了谢谢老师~", x1, y1);
+    		Paint j = new Paint(x1,y1,x2,y2,color,name,1);
+    		if(index<1000)
+    			array[index++] = j;
+    		break;
+    	}		
+    }
+
+    public void mouseEntered(MouseEvent e) {
+    }
+
+    public void mouseExited(MouseEvent e) {
+    }
+}
\ No newline at end of file
diff --git a/src/java2020spring/paint b/src/java2020spring/paint
new file mode 100644
index 0000000000000000000000000000000000000000..1831e52311d1b279ce919ee60c5274b89011ae0c
--- /dev/null
+++ b/src/java2020spring/paint
@@ -0,0 +1,74 @@
+package java2020spring;
+
+import java.awt.Color;
+
+public class Paint {
+	private int x1,y1,x2,y2;
+	private Color color;
+	private String name;
+	private int width;
+	
+	public Paint(int x1, int y1, int x2, int y2, Color color, String name) {
+		super();
+		this.x1 = x1;
+		this.y1 = y1;
+		this.x2 = x2;
+		this.y2 = y2;
+		this.color = color;
+		this.name = name;
+	}
+	
+	public Paint(int x1, int y1, int x2, int y2, Color color, String name, int width) {
+		super();
+		this.x1 = x1;
+		this.y1 = y1;
+		this.x2 = x2;
+		this.y2 = y2;
+		this.color = color;
+		this.name = name;
+		this.width = width;
+	}
+	
+	public int getX1() {
+		return x1;
+	}
+	public void setX1(int x1) {
+		this.x1 = x1;
+	}
+	public int getY1() {
+		return y1;
+	}
+	public void setY1(int y1) {
+		this.y1 = y1;
+	}
+	public int getX2() {
+		return x2;
+	}
+	public void setX2(int x2) {
+		this.x2 = x2;
+	}
+	public int getY2() {
+		return y2;
+	}
+	public void setY2(int y2) {
+		this.y2 = y2;
+	}
+	public Color getColor() {
+		return color;
+	}
+	public void setColor(Color color) {
+		this.color = color;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	public int getWidth() {
+		return width;
+	}
+	public void setWidth(int width) {
+		this.width = width;
+	}
+}
\ No newline at end of file