diff --git a/com/Drj/Bg/Bgdrj.java b/com/Drj/Bg/Bgdrj.java
deleted file mode 100644
index 1d56d80..0000000
--- a/com/Drj/Bg/Bgdrj.java
+++ /dev/null
@@ -1,106 +0,0 @@
-package com.Drj.Bg;
-
-import java.awt.Color;
-
-import java.awt.Font;
-import java.awt.Graphics;
-import java.awt.Image;
-import java.awt.Toolkit;
-import java.util.ArrayList;
-
-import com.Drj.gameWin.gameWindrj;
-import com.Lhy.login.Login;
-import com.Sq.phb.Phb;
-public class Bgdrj {
-//关卡数
-	public static int level=1;
-//每一关目标得分
-	public int goal=level*(15+((int)Math.random()*level*level+1));
-//总分
-	public static int count=0;
-//药水数量
-	public static int water=3;
-//药水状态
-	public static boolean wf=false;
-//开始时间
-	public long startTime;
-//结束时间
-	public long endTime;
-//药水价格
-	public int price =(int)(Math.random()*10)+1;
-//是否购买 
-	public boolean shop=false;
-//图片输入
-	Image bg =Toolkit.getDefaultToolkit().getImage("image/bg.jpg");
-	Image tk =Toolkit.getDefaultToolkit().getImage("image/tk.jpg");
-	Image poe =Toolkit.getDefaultToolkit().getImage("image/poe.png");
-	Image s =Toolkit.getDefaultToolkit().getImage("image/water.png");
-	public void paint(Graphics g) {////绘制方法添加背景drawImage(地址，x轴位置，y轴位置，状态)
-		g.drawImage(tk,0,0,null);
-		g.drawImage(bg,0,200,null);
-		
-		switch (gameWindrj.state) {
-		case 0://打印开始界面
-			word(g,80,Color.red,"点击右键开始",100,400);
-			break;
-		case 1:
-		g.drawImage(poe,310,50,null);
-		g.drawImage(s,450,40,null);
-		//打印积分
-		word(g,30,Color.red,"积分"+count,30,150);
-		//药水数量
-		word(g,30,Color.black,"*"+water,510,70);
-		//关卡数
-		word(g,20,Color.black,"第"+level+"关",30,60);
-		//目标积分
-		word(g,30,Color.red,"目标积分："+goal,30,110);
-		//时间
-		endTime=System.currentTimeMillis();//给结束时间负值
-		long time=20-(endTime-startTime)/1000;//定义临时变量判断用时，除1000把毫秒换算成秒
-		word(g,30,Color.red,"剩余时间："+(time>0?time:0),520,150);//如果时间大于零打印时间否则就打印0
-			break;
-		case 2://商店界面
-			g.drawImage(s,300,400,null);
-			word(g,30,Color.black,"价格:"+price,300,500);
-			word(g,30,Color.black,"左键是否购买？",250,550);
-			if(shop) {
-				count=count-price;//找零
-				water++;
-				shop=false;
-				gameWindrj.state=1;
-				startTime=System.currentTimeMillis();//给开始时间赋值为系统时间
-			}
-			break;
-		case 3://进入失败页面
-			Phb p=new Phb();
-			p.paint(g, count);
-			break;
-		}
-	}
-	public static void word(Graphics g,int size,Color color,String str,int x,int y) {
-		g.setColor(color);//设置积分颜色
-		g.setFont(new Font("仿宋",Font.BOLD,size));//设置积分字体和大小
-		g.drawString(str, x, y);//设置积分输出格式和位置
-	}
-	//true倒计时完成 false正在倒计时
-	public boolean gametime(){
-		long time=(endTime-startTime)/1000;//定义临时变量判断用时，除1000把毫秒换算成秒
-		if(time>20) {
-			return true;
-		}return false;
-		
-	}
-	//重置元素
-	public void reGame() {
-	//关卡数
-		level=1;
-	//每一关目标得分
-		goal=level*15;
-	//总分
-		count=0;
-	//药水数量
-		water=3;
-	//药水状态
-		wf=false;
-	}
-}
diff --git a/com/Drj/Line/Linedrj.java b/com/Drj/Line/Linedrj.java
deleted file mode 100644
index 6f6c327..0000000
--- a/com/Drj/Line/Linedrj.java
+++ /dev/null
@@ -1,136 +0,0 @@
-package com.Drj.Line;
-
-import java.awt.Color;
-import java.awt.Graphics;
-import java.awt.Image;
-import java.awt.Toolkit;
-
-import com.Drj.Bg.Bgdrj;
-import com.Drj.Object.Objectdrj;
-import com.Drj.gameWin.gameWindrj;
-
-public class Linedrj {
-//起点坐标
-	public int x=380;
-	public int y=180;
-//终点坐标
-	public int endx;
-	public int endy;
-//线长
-	public double length=100;
-	public double j=0;
-//方向
-	public int dir=1;
-//状态 为0摇摆 为1抓取 为2收回 为3抓到返回
-	public int state;
-//钩爪图片
-	Image hook =Toolkit.getDefaultToolkit().getImage("image/hook.png");
-//为了判断抓取构建有参构建方法
-	public gameWindrj frame;
-	public Linedrj(gameWindrj frame){this.frame=frame;}
-void logic() {//构建判断函数
-	for(Objectdrj obj:this.frame.golds) {
-		if(endx>=obj.x && endx<=obj.x+obj.width
-			&&endy>=obj.y && endy<=obj.y+obj.height) {//判断钩子是否碰到物体条件
-		state=3;//将状态变为3抓到返回
-		obj.f =true;//金矿已被抓取
-	}
-	}
-	
-}
-	public void paint(Graphics g) {//绘制方法
-		g.setColor(Color.pink);//修改线的颜色
-		logic();//判断钩子是否碰到物体
-		switch(state){//分析状态并运行
-		case 0:if(j<0.1) {dir=1;}//线到达18度使进行顺时针旋转
-		else if(j>0.9){dir=-1;}//线到达162度使进行逆时针旋转
-		j+=0.005*dir;//线进行旋转角度制的公式
-		endx=x+(int)(length*Math.cos(j*Math.PI));//终点坐标x的表达公式
-		endy=y+(int)(length*Math.sin(j*Math.PI));//终点坐标y的表达公式
-		g.drawLine(x, y, endx, endy);//drewLine(起始坐标x，起始坐标y，终点坐标x，终点坐标y)
-		g.drawLine(x-1, y, endx-1, endy);
-		g.drawLine(x+1, y, endx+1, endy);//给线加粗
-		g.drawImage(hook, endx-36, endy-2, null);//钩爪位置
-		break;
-		case 1:
-			if(length<750) {//线的延长范围
-			length=length+5;//使线延长
-			endx=x+(int)(length*Math.cos(j*Math.PI));//终点坐标x的表达公式
-			endy=y+(int)(length*Math.sin(j*Math.PI));//终点坐标y的表达公式
-			g.drawLine(x, y, endx, endy);//drewLine(起始坐标x，起始坐标y，终点坐标x，终点坐标y)
-			g.drawLine(x-1, y, endx-1, endy);
-			g.drawLine(x+1, y, endx+1, endy);//给线加粗
-			g.drawImage(hook, endx-36, endy-2, null);//钩爪位置
-			}else {state=2;//延长后收回
-			}
-			break;
-		case 2:
-			if(length>100) {//线的收回范围
-				length=length-5;//使线收回
-				endx=x+(int)(length*Math.cos(j*Math.PI));//终点坐标x的表达公式
-				endy=y+(int)(length*Math.sin(j*Math.PI));//终点坐标y的表达公式
-				g.drawLine(x, y, endx, endy);//drewLine(起始坐标x，起始坐标y，终点坐标x，终点坐标y)
-				g.drawLine(x-1, y, endx-1, endy);
-				g.drawLine(x+1, y, endx+1, endy);//给线加粗
-				g.drawImage(hook, endx-36, endy-2, null);//钩爪位置
-				}else {
-					state=0;//收回后继续开始摇摆
-				}break;
-		case 3:
-			int m=1;
-			if(length>100) {//线的收回范围
-				length=length-5;//使线收回
-				endx=x+(int)(length*Math.cos(j*Math.PI));//终点坐标x的表达公式
-				endy=y+(int)(length*Math.sin(j*Math.PI));//终点坐标y的表达公式
-				g.drawLine(x, y, endx, endy);//drewLine(起始坐标x，起始坐标y，终点坐标x，终点坐标y)
-				g.drawLine(x-1, y, endx-1, endy);
-				g.drawLine(x+1, y, endx+1, endy);//给线加粗
-				g.drawImage(hook, endx-36, endy-2, null);//钩爪位置
-				for(Objectdrj obj:this.frame.golds) {
-					m=obj.m;//接收物体质量
-					if(obj.f==true) {//判断金矿是否被抓取
-					obj.x=endx-obj.getWidth()/2;//金矿收回时的x坐标
-					obj.y=endy;//金矿收回时的y坐标
-					if(Bgdrj.wf) {//判断是否使用了药水
-						if(obj.type==1) {//如果抓到的时金矿进行如下操作
-							m=1;
-							break;
-						}
-						if(obj.type==2) {//如果抓到的是石头使用药水将石头爆破
-							obj.x=-1500;
-							obj.y=-1500;
-							obj.f=false;
-							Bgdrj.wf=false;
-							state=2;
-						}
-					}}
-				}
-				}else {
-					for(Objectdrj obj:this.frame.golds) {
-						if(obj.f==true) {//判断金矿是否被抓取
-						obj.x=-1500;
-						obj.y=-1500;//将金矿抓回后移除
-						obj.f=false;
-						Bgdrj.wf=false;
-						Bgdrj.count+=obj.count;//加分
-						}	
-						
-					}
-					state=0;//收回后继续开始摇摆
-					
-				}
-			try {
-				Thread.sleep(m);//设置延时来降低刷新频率使抓取速度变慢
-			} catch (InterruptedException e) {
-				e.printStackTrace();
-			}
-			break;
-		}
-		
-	}
-	//重置线
-	public void reGame() {
-		j=0;
-		length=100;
-	}
-}
diff --git a/com/Drj/Object/GoldMinidrj.java b/com/Drj/Object/GoldMinidrj.java
deleted file mode 100644
index 1cee617..0000000
--- a/com/Drj/Object/GoldMinidrj.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.Drj.Object;
-
-import java.awt.Toolkit;
-
-public class GoldMinidrj extends Golddrj{
-	public GoldMinidrj() {
-		this.width=36;
-		this.height =36;//由于图片大小不同重新设置一个宽高
-		this.m=15;//由于质量大小不同重新设置一个质量
-		this.count=2;//设置积分
-		this.img =Toolkit.getDefaultToolkit().getImage("image/gold0.gif");//由于图片不同重新设置一个路径
-	}
-}
\ No newline at end of file
diff --git a/com/Drj/Object/GoldPlusdrj.java b/com/Drj/Object/GoldPlusdrj.java
deleted file mode 100644
index 6f6bafe..0000000
--- a/com/Drj/Object/GoldPlusdrj.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.Drj.Object;
-
-import java.awt.Toolkit;
-
-public class GoldPlusdrj extends Golddrj{
-	public GoldPlusdrj() {
-		//由于大金矿过大会溢出画面重新设置其坐标
-		this.x=(int)(Math.random()*650);//金矿x轴随机位置的函数
-		this.y=(int)(Math.random()*550+300);//金矿y轴随机位置的函数
-		this.width=105;
-		this.height =105;//由于图片大小不同重新设置一个宽高
-		this.m=60;//由于质量大小不同重新设置一个质量
-		this.count=8;//设置积分
-		this.img =Toolkit.getDefaultToolkit().getImage("image/gold2.gif");//由于图片不同重新设置一个路径
-	}
-}
diff --git a/com/Drj/Object/Golddrj.java b/com/Drj/Object/Golddrj.java
deleted file mode 100644
index eba8dba..0000000
--- a/com/Drj/Object/Golddrj.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.Drj.Object;
-
-import java.awt.Toolkit;
-
-public class Golddrj extends Objectdrj{
-	boolean f=false;//用于判断是否被抓取
-	public Golddrj() {
-		this.x=(int)(Math.random()*700);//金矿x轴随机位置的函数
-		this.y=(int)(Math.random()*550+300);//金矿y轴随机位置的函数
-		this.width=52;//设置宽
-		this.height =52;//设置高
-		this.f=false;
-		this.m=30;//设置质量
-		this.count=4;//设置积分
-		this.type=1;
-		this.img =Toolkit.getDefaultToolkit().getImage("image/gold1.gif");
-	}
-}
-
- 
diff --git a/com/Drj/Object/Objectdrj.java b/com/Drj/Object/Objectdrj.java
deleted file mode 100644
index 43f6411..0000000
--- a/com/Drj/Object/Objectdrj.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.Drj.Object;
-
-import java.awt.Graphics;
-import java.awt.Image;
-import java.awt.Rectangle;
-import java.awt.Toolkit;
-
-public class Objectdrj {
-//坐标
-	public int x;
-	public int y;
-//宽高
-	public int width;
-	public int height;
-//图片
-	Image img;
-//用于判断是否被抓取
-	public boolean f;
-//质量用于修改抓取速度
-	public int m;
-//积分
-	public int count;
-//类型 为1金矿 为2石头
-	public int type;
-	public void paint(Graphics g) {//绘制方法添加抓取物drawImage(地址，x轴位置，y轴位置，状态)
-		g.drawImage(img,x,y,null);
-	}
-	public int getWidth() {
-		return width;
-	}
-//获取矩形
-	public Rectangle getRec() {
-		return new Rectangle(x,y,width,height);
-	}
-}
diff --git a/com/Drj/Object/Rockdrj.java b/com/Drj/Object/Rockdrj.java
deleted file mode 100644
index b9d7cc7..0000000
--- a/com/Drj/Object/Rockdrj.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package com.Drj.Object;
-
-import java.awt.Toolkit;
-
-public class Rockdrj extends Objectdrj{
-	boolean f=false;//用于判断是否被抓取
-	public Rockdrj() {
-		this.x=(int)(Math.random()*700);//石头x轴随机位置的函数
-		this.y=(int)(Math.random()*550+300);//石头y轴随机位置的函数
-		this.width=71;
-		this.height =71;
-		this.f=false;
-		this.m=50;
-		this.count=1;//设置积分
-		this.type=2;
-		this.img =Toolkit.getDefaultToolkit().getImage("image/rock1.png");
-	}
-}
diff --git a/com/Drj/gameWin/gameWindrj.java b/com/Drj/gameWin/gameWindrj.java
deleted file mode 100644
index df7bff8..0000000
--- a/com/Drj/gameWin/gameWindrj.java
+++ /dev/null
@@ -1,167 +0,0 @@
-package com.Drj.gameWin;
-
-import java.awt.Graphics;
-
-
-
-
-import java.awt.Image;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
-import java.util.ArrayList;
-
-import javax.swing.JFrame;
-
-import com.Drj.Bg.Bgdrj;
-import com.Drj.Line.Linedrj;
-import com.Drj.Object.Golddrj;
-import com.Drj.Object.GoldMinidrj;
-import com.Drj.Object.GoldPlusdrj;
-import com.Drj.Object.Objectdrj;
-import com.Drj.Object.Rockdrj;
-import com.Drj.shop.Shopdrj;
-import com.Lhy.login.Login;
-public class gameWindrj extends JFrame{
-//0未开始 1运行中 2商店 3失败 4胜利
-	public static int state;
-	public static String username;
-	public ArrayList<Objectdrj> golds=new ArrayList<Objectdrj>();//用于存储金矿，石头
-	Bgdrj bg=new Bgdrj();
-	Linedrj l=new Linedrj(this);
-	{
-		for(int i=0;i<11;i++) {
-			boolean fl=true;//用于判断该位置是否存在重叠现象
-			double random=Math.random();//创造随机数用于随机生成金矿
-			Golddrj gold;//存放当前生成的金矿
-			if(random<0.3) {
-				gold=new GoldMinidrj();
-			}
-			else if(random>=0.3&&random<0.7){
-				gold=new Golddrj();
-			}
-			else {
-				gold=new GoldPlusdrj();
-			}//添加金矿
-			for(Objectdrj obj:golds) {
-				if(gold.getRec().intersects(obj.getRec())) {//用于判断是否可以放置
-					fl=false;//不可放置，需重新生成
-				}
-			}
-			if(fl) {golds.add(gold);}
-			else {fl=true;i--;}
-		}
-		for(int i=0;i<3;i++) {
-			boolean fl=true;//用于判断该位置是否存在重叠现象
-			Rockdrj rock;
-			rock=new Rockdrj();
-			for(Objectdrj obj:golds) {
-				if(rock.getRec().intersects(obj.getRec())) {//用于判断是否可以放置
-					fl=false;//不可放置，需重新生成
-				}
-			}
-			if(fl) {golds.add(rock);}//添加石头
-			else {fl=true;i--;}
-			
-		}
-	}
-	void luanch() {//用于初始化窗口
-		this.setVisible(true);//用于设置窗口是否可见
-		this.setSize(768,1000);//用于设置窗口大小
-		this.setLocationRelativeTo(null);//用于窗口位置，使窗口居中
-		this.setTitle("超级无敌好玩黄金矿工");//用于设置窗口标题
-		setDefaultCloseOperation(EXIT_ON_CLOSE);//用于关闭窗口
-		addMouseListener(new MouseAdapter() {//添加鼠标监听
-		    @Override
-            public void mouseClicked(MouseEvent e) {//捕捉鼠标事件
-		    super.mouseClicked(e);//捕捉单击事件
-		    switch (state) {
-		    case 0:if(e.getButton()==3) {//点击右键开始游戏
-		    	state=1;
-		    	bg.startTime=System.currentTimeMillis();//给开始时间赋值为系统时间
-		    }
-		    	break;
-		    case 1://游戏运行中
-		    	//左右摇摆时，点击左键抓取
-		    if(e.getButton()==1&&l.state==0) {
-		    	l.state=1;
-		    }
-		    //抓取返回，点击右键使用药水
-		    if(e.getButton()==3&&l.state==3&&Bgdrj.water>0) {
-		    	Bgdrj.wf=true;
-		    	Bgdrj.water--;
-		    }
-		    	break;
-		    case 2://是否购买左键购买右键退出商店
-		    	Shopdrj shop=new Shopdrj();
-		    	shop.mouseClicked(e, bg);
-		    	break;
-		    case 3://重置游戏
-		    	if(e.getButton()==1) {
-		    	 state=0;
-		    	 bg.reGame();
-		    	 l.reGame();
-		    	}
-		    	break;
-		    
-		    }
-		    
-		    }
-		}
-		);
-		while(true) {
-			repaint();//重新绘制
-			nextLevel();//判断是否可以进行下一关
-			try {
-				Thread.sleep(10);//用于延迟使线缓慢旋转
-			} catch (InterruptedException e) {
-				e.printStackTrace();
-			}
-		}
-	}
-	public void nextLevel() {//用于判断是否可以进行下一关
-		if (bg.gametime() && state == 1) {//游戏运行中,进行如下操作
-            if (Bgdrj.count >= bg.goal) {
-                	state=2;
-                    Bgdrj.level++;
-            } else {
-                state = 3;
-            }
-            dispose();//关闭之前关卡窗口
-			gameWindrj gw1=new gameWindrj();//建立新的gamewin用于创建新的窗口
-			gw1.luanch();
-        }
-	}
-	Image offScreenImage;//新建画布运用双缓存来解决物体闪烁
-	public void paint(Graphics g) {//绘制方法Graphics类是所有图形上下文的抽象基类，它允许应用程序在各种设备上实现的组件上绘制，以及在屏幕外的图像上绘制。
-		offScreenImage=this.createImage(768,1000);//新建画布使其大小与窗口大小相同
-		Graphics gImage=offScreenImage.getGraphics();//调用Graphics类在画布上显示物品
-		bg.paint(gImage);//显示背景
-		if(state==1) {//线和物体仅在游戏当中出现
-			for(Objectdrj obj:golds) {
-			obj.paint(gImage);//显示金矿
-		}
-		l.paint(gImage);//显示线
-		}
-		g.drawImage(offScreenImage, 0, 0, null);//将画布放入窗口
-	}
-	public static void main(String[] args) {
-		Login d=new Login();
-		gameWindrj gw=new gameWindrj();//创建一个gameWin变量为gw
-		while(!d.flagdl) {
-			
-				try {
-					Thread.sleep(100);
-				} catch (InterruptedException e) {
-					// TODO 自动生成的 catch 块
-					e.printStackTrace();
-				}
-		
-		}
-		username=d.getName();
-		if(d.flagdl==true) {
-		d.setVisible(false);
-		gw.luanch();//用于打开窗口
-		}
-		
-	}
-}
diff --git a/com/Drj/shop/Shopdrj.java b/com/Drj/shop/Shopdrj.java
deleted file mode 100644
index d286492..0000000
--- a/com/Drj/shop/Shopdrj.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.Drj.shop;
-
-import java.awt.event.MouseEvent;
-
-import com.Drj.Bg.Bgdrj;
-import com.Drj.gameWin.gameWindrj;
-public class Shopdrj {
-	public void mouseClicked(MouseEvent e,Bgdrj bg) {
-		if(e.getButton()==1) {
-	    	 bg.shop=true;
-	    	}
-   	if(e.getButton()==3) {
-   		gameWindrj.state=1;
-   		bg.startTime=System.currentTimeMillis();//给开始时间赋值为系统时间
-   	}
-	}
-}
diff --git a/com/Sq/phb/Phb.java b/com/Sq/phb/Phb.java
new file mode 100644
index 0000000..aa2872f
--- /dev/null
+++ b/com/Sq/phb/Phb.java
@@ -0,0 +1,33 @@
+package com.Sq.phb;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.util.ArrayList;
+
+import com.Drj.gameWin.gameWindrj;
+
+public class Phb {
+	public void paint(Graphics g,int count) {
+		word(g,30,Color.red,"游戏失败",300,100);
+		word(g,30,Color.BLACK,"排行榜",325,130);
+		if(!UserScores.check(gameWindrj.username,count)) {
+			System.out.print(UserScores.insert(gameWindrj.username,count));
+		}
+		ArrayList<UserScore> us=UserScores.orderBy();
+		int i=0;
+		for(UserScore a:us) {
+			if(i==10)break;
+				word(g,60,Color.BLACK,"第"+(i+1)+"名用户"+a.username+"的积分为"+a.score,50,190+i*60);
+		i++;
+		}
+		word(g,50,Color.red,"点击左键重新开始游戏",100,800);
+		//打印积分
+		word(g,20,Color.red,"此次积分"+count,350,750);
+	}
+	public static void word(Graphics g,int size,Color color,String str,int x,int y) {
+		g.setColor(color);//设置积分颜色
+		g.setFont(new Font("仿宋",Font.BOLD,size));//设置字体和大小
+		g.drawString(str, x, y);//设置输出格式和位置
+	}
+}
diff --git a/com/Sq/phb/UserScore.java b/com/Sq/phb/UserScore.java
new file mode 100644
index 0000000..de7ae4c
--- /dev/null
+++ b/com/Sq/phb/UserScore.java
@@ -0,0 +1,33 @@
+package com.Sq.phb;
+
+public class UserScore {
+	 String username;
+	 int score;
+	 public UserScore() {
+		 
+	 }
+	 
+	/**
+	 * @param username
+	 * @param score
+	 */
+	public UserScore(String username,int score) {
+		super();
+		this.username = username;
+		this.score = score;
+	}
+
+	public String getUsername() {
+		return username;
+	}
+	public void setUsername(String username) {
+		this.username = username;
+	}
+	public int getScore() {
+		return score;
+	}
+	public void setScore(int score) {
+		this.score = score;
+	}
+	 
+}
diff --git a/com/Sq/phb/UserScores.java b/com/Sq/phb/UserScores.java
new file mode 100644
index 0000000..c19ac79
--- /dev/null
+++ b/com/Sq/phb/UserScores.java
@@ -0,0 +1,83 @@
+package com.Sq.phb;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.ArrayList;
+
+
+public class UserScores {
+	public static boolean insert(String username,int score) {
+		boolean flaguser=false;
+		try {
+		Class.forName("com.mysql.cj.jdbc.Driver");
+		String url="jdbc:mysql://localhost:3306/gold?userSSL=flase&serverTimezone=Asia/Shanghai";
+		String user="root";
+		String password1="asdasd123";
+		Connection conn =DriverManager.getConnection(url,user,password1);
+		String sql ="Insert into score (username,score) values(?,?)";
+		PreparedStatement prestm=conn.prepareStatement(sql);
+		prestm.setString(1,username);
+		prestm.setLong(2,score);
+		if(prestm.executeUpdate()!=0) {
+			flaguser=true;
+		}
+		prestm.close();
+		conn.close();
+	}
+	catch(Exception e) {
+		e.printStackTrace();
+	}
+		return  flaguser;
+	}
+	public  static boolean check(String username,int score) {
+		// TODO 自动生成的方法存根
+		boolean flaguser=false;
+		try {
+			Class.forName("com.mysql.cj.jdbc.Driver");
+			String url="jdbc:mysql://localhost:3306/gold?userSSL=flase&serverTimezone=Asia/Shanghai";
+			String user="root";
+			String password1="asdasd123";
+			Connection conn =DriverManager.getConnection(url,user,password1);
+			String sql ="select *from score where username=? and score=?";
+			PreparedStatement prestm=conn.prepareStatement(sql);
+			prestm.setString(1,username);
+			prestm.setLong(2,score);
+			ResultSet rs=prestm.executeQuery();
+			if(rs.next()) {
+				flaguser=true;
+			}
+			rs.close();
+			prestm.close();
+			conn.close();
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return  flaguser;
+	}
+	public  static ArrayList<UserScore> orderBy() {
+		ArrayList<UserScore> us=new ArrayList<UserScore>();
+		try {
+			Class.forName("com.mysql.cj.jdbc.Driver");
+			String url="jdbc:mysql://localhost:3306/gold?userSSL=flase&serverTimezone=Asia/Shanghai";
+			String user="root";
+			String password1="asdasd123";
+			Connection conn =DriverManager.getConnection(url,user,password1);
+			String sql = "select *from score order by score desc";
+			PreparedStatement pstmt = conn.prepareStatement(sql);
+			ResultSet rs=pstmt.executeQuery();
+			while(rs.next()) {
+				UserScore score=new UserScore();
+				score.setUsername(rs.getString("username"));
+				score.setScore(rs.getInt("score"));
+				us.add(score);
+			}
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return us;
+	}
+}
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