Java实现飞机大战，连接数据库并把得分写入数据库
编写飞行物类package com.tarena.shoot;
import java.awt.image.BufferedImage;
/**
* 飞行物(敌机，蜜蜂，子弹，英雄机)
*/
public abstract class FlyingObject {
protected int x;
protected int y;
protected int width;
protected int height;
protected BufferedImage image;
protected BufferedImage[] ember;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public BufferedImage getImage() {
return image;
}
public void setImage(BufferedImage image) {
this.image = image;
}
/**
* 检查是否出界
* @param width 边界宽
* @param height 边界高
* @return true 出界与否
*/
public abstract boolean outOfBounds();
/**
* 飞行物移动一步
*/
public abstract void step();
/**
* 检查当前飞行物体是否被子弹(x,y)击(shoot)中，
* true表示击中，飞行物可以被击中
* @param Bullet 子弹对象
* @return true表示被击中了
*/
public boolean shootBy(Bullet bullet){
if(bullet.isBomb()){
return false;
}
int x = bullet.x; //子弹横坐标
int y = bullet.y; //子弹纵坐标
boolean shoot = this.xpackage com.tarena.shoot;
/**
* 敌飞机: 是飞行物，也是敌人
*/
public class Airplane extends FlyingObject implements Enemy {
int speed = 2; //移动步骤
public Airplane(){
this.image = ShootGame.airplane;
this.ember = ShootGame.airplaneEmber;
width = image.getWidth();
height = image.getHeight();
y = -height;
x = (int)(Math.random()*(ShootGame.WIDTH - width));
}
@Override
public int getScore() { //获取分数
return 5;
}
@Override
public boolean outOfBounds() { //越界处理
return y>ShootGame.HEIGHT;
}
@Override
public void step() { //移动
y += speed;
}
}
package com.tarena.shoot;
/**
* 奖励
*/
public interface Award {
int DOUBLE_FIRE = 0; //双倍火力
int LIFE = 1; //1条命
/** 获得奖励类型(上面的0或1) */
int getType();
}
package com.tarena.shoot;
import java.util.Random;
public class Bee extends FlyingObject implements Award{
private int xSpeed = 1;
private int ySpeed = 2;
private int awardType;
public Bee(){
this.image = ShootGame.bee;
this.ember = ShootGame.beeEmber;
width = image.getWidth();
height = image.getHeight();
y = -height;
Random rand = new Random();
x = rand.nextInt(ShootGame.WIDTH - width);
awardType = rand.nextInt(2); //初始化时给奖励
}
public int getType(){
return awardType;
}
@Override
public boolean outOfBounds() {
return y>ShootGame.HEIGHT;
}
@Override
public void step() { //可斜飞
x += xSpeed;
y += ySpeed;
if(x > ShootGame.WIDTH-width){
xSpeed = -1;
}
if(x < 0){
xSpeed = 1;
}
}
}编写大飞机类
package com.tarena.shoot;
import java.util.Random;
public class BigPlane extends FlyingObject
implements Enemy, Award{
private int xSpeed=1;
private int ySpeed=1;
private int life;
private int awardType;
public BigPlane() {
life = 4;
this.image = ShootGame.bigPlane;
this.ember = ShootGame.bigPlaneEmber;
width = image.getWidth();
height = image.getHeight();
y = -height;
Random rand = new Random();
x = rand.nextInt(ShootGame.WIDTH - width);
awardType = rand.nextInt(2);
}
public int getType() {
return awardType;
}
@Override
public int getScore() {
return 50;
}
@Override
public boolean outOfBounds() {
return false;
}
// @Override
// public BufferedImage getImage() {
// Graphics g = image.getGraphics();
// g.setColor(Color.white);
// g.fillRect(0, 0, 40, 30);
// g.setColor(Color.black);
// g.drawString("L:"+life, 10, 20);
// return image;
// }
public EnemyBullet[] shoot() { // 发射子弹
int xStep = width / 4; // 子弹步分为飞机宽度4半
int yStep = 20;
EnemyBullet[] bullets2 = new EnemyBullet[1];
bullets2[0] = new EnemyBullet(x + 2 * xStep, y - yStep);
return bullets2;
}
@Override
public void step() { //移动
x += xSpeed;
y += ySpeed;
if(x > ShootGame.WIDTH-width){
xSpeed = -1;
}
if(x < 0){
xSpeed = 1;
}
}
public boolean shootBy(Bullet bullet) {
if(super.shootBy(bullet)){
life--;
}
return life==0;
}
}
package com.tarena.shoot;
/**
* 子弹类
*/
public class Bullet extends FlyingObject {
private int speed = 3; //移动的速度
private boolean bomb;
public Bullet(int x,int y){
this.x = x;
this.y = y;
this.image = ShootGame.bullet;
}
public void setBomb(boolean bomb) {
this.bomb = bomb;
}
public boolean isBomb() {
return bomb;
}
@Override
public void step(){ //移动方法
y-=speed;
}
@Override
public boolean outOfBounds() {
return y<-height;
}
}
编写飞机爆炸效果
package com.tarena.shoot;
import java.awt.image.BufferedImage;
/**
* 灰烬 飞机被打掉以后的残影
* @author Robin
*/
public class Ember {
private BufferedImage[] images={};
private int index;
private int i;
private BufferedImage image;
private int intevel = 10;
private int x,y;
public Ember(FlyingObject object) {
images = object.ember;
image = object.image;
x = object.x;
y = object.y;
index = 0;
i = 0;
}
public boolean burnDown(){
i++;
if(i%intevel==0){
if(index == images.length){
return true;
}
image = images[index++];
}
return false;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public BufferedImage getImage() {
return image;
}
}
package com.tarena.shoot;
/**
* 敌人，可以有分数
*/
public interface Enemy {
//敌人的分数
int getScore();
}
package com.tarena.shoot;
public class EnemyBullet extends FlyingObject {
private int speed = 2; //移动的速度
private boolean bomb;
public EnemyBullet(int x,int y){
this.x = x;
this.y = y;
this.image = ShootGame.EnemyBullet;
}
public void setBomb(boolean bomb) {
this.bomb = bomb;
}
public boolean isBomb() {
return bomb;
}
@Override
public void step(){ //移动方法
y+=speed;
}
@Override
public boolean outOfBounds() {
return y<-height;
}
}
编写英雄机类
package com.tarena.shoot;
import java.awt.image.BufferedImage;
/**
* 英雄机
*
* @author Administrator
*
*/
public class Hero extends FlyingObject {
protected BufferedImage[] images = {};
protected int index = 0;
//private boolean doubleFire;
private int doubleFire;
private int life;
public Hero() {
life = 3;
doubleFire = 0;
this.image = ShootGame.hero0;
this.ember = ShootGame.heroEmber;
images = new BufferedImage[]{ShootGame.hero0, ShootGame.hero1};
width = image.getWidth();
height = image.getHeight();
x = 150;
y = 400;
}
public int isDoubleFire() {
return doubleFire;
}
public void addDoubleFire(){
doubleFire = 40;
}
public void setDoubleFire(int doubleFire) {
this.doubleFire = doubleFire;
}
public void addLife() { // 增命
life++;
}
public void subtractLife() { // 减命
life--;
}
public int getLife() {
return life;
}
/**
* 当前物体移动了一下，相对距离， x,y鼠标位置
*/
public void moveTo(int x, int y) {
this.x = x - width / 2;
this.y = y - height / 2;
}
@Override
public boolean outOfBounds() {
return x < 0 || x > ShootGame.WIDTH - width || y < 0
|| y > ShootGame.HEIGHT - height;
}
public Bullet[] shoot() { // 发射子弹
int xStep = width / 4; // 子弹步分为飞机宽度4半
int yStep = 20;
if (doubleFire>0) {
Bullet[] bullets = new Bullet[2];
bullets[0] = new Bullet(x + xStep, y - yStep);
bullets[1] = new Bullet(x + 3 * xStep, y - yStep);
doubleFire -= 2;
return bullets;
} else { // 单倍
Bullet[] bullets = new Bullet[1];
bullets[0] = new Bullet(x + 2 * xStep, y - yStep); // y-yStep(子弹距飞机的位置)
return bullets;
}
}
@Override
public void step() {
if(images.length>0){
image = images[index++/10%images.length];
}
}
public boolean hit(FlyingObject other) { // 碰撞算法
int x1 = other.x - this.width / 2;
int x2 = other.x + other.width + this.width / 2;
int y1 = other.y - this.height / 2;
int y2 = other.y + other.height + this.height / 2;
return this.x + this.width / 2 > x1 && this.x + this.width / 2 < x2
&& this.y + this.height / 2 > y1
&& this.y + this.width / 2 < y2;
}
public boolean hit2(EnemyBullet bb1) {
int x1 = bb1.x - this.width / 2;
int x2 = bb1.x + bb1.width + this.width / 2;
int y1 = bb1.y - this.height / 2;
int y2 = bb1.y + bb1.height + this.height / 2;
int hx = this.x + this.width / 2;
int hy = this.y + this.height / 2;
return hx > x1 && hx < x2 && hy > y1 && hy < y2;
}
}
package com.tarena.shoot;
import java.applet.Applet;
import java.applet.AudioClip;
import java.io.File;
import java.net.URI;
import java.net.URL;
import javax.swing.JFrame;
public class Sound extends JFrame{
File f;
URI uri;
URL url;
Sound(){
try {
f = new File("C:\\Users\\姜涛\\Desktop\\dddd\\StudioEIM - MapleStory.wav");
uri = f.toURI();
url = uri.toURL(); //解析地址
AudioClip aau;
aau = Applet.newAudioClip(url);
aau.loop(); //循环播放
} catch (Exception e)
{ e.printStackTrace();
}
}
}
编写主类
package com.tarena.shoot;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.util.Arrays;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import DAO.DAO;
public class ShootGame extends JPanel {
public static final int WIDTH = 400; // 面板宽
public static final int HEIGHT = 654; // 面板高
/** 游戏的当前状态: START RUNNING PAUSE GAME_OVER */
private int state;
public static final int START = 0;
public static final int RUNNING = 1;
public static final int PAUSE = 2;
public static final int GAME_OVER = 3;
private int score = 0; // 得分
private Timer timer; // 定时器
private int intervel = 1000/100; // 时间间隔(毫秒)
public static BufferedImage background;
public static BufferedImage start;
public static BufferedImage pause;
public static BufferedImage gameover;
public static BufferedImage bullet;
public static BufferedImage airplane;
public static BufferedImage EnemyBullet;
public static BufferedImage[] airplaneEmber=new BufferedImage[4];
public static BufferedImage bee;
public static BufferedImage[] beeEmber=new BufferedImage[4];;
public static BufferedImage hero0;
public static BufferedImage hero1;
public static BufferedImage[] heroEmber=new BufferedImage[4];;
public static BufferedImage bigPlane;
public static BufferedImage[] bigPlaneEmber=new BufferedImage[4];;
private FlyingObject[] flyings = {}; // 敌机数组
private Bullet[] bullets = {}; // 子弹数组
private EnemyBullet[] bullets2 = {};//敌机子弹数组
private Hero hero = new Hero(); // 英雄机
private Ember[] embers = {}; // 灰烬
private BigPlane bigplane=new BigPlane();
static {// 静态代码块
try {
background = ImageIO.read(ShootGame.class
.getResource("background.png"));
bigPlane = ImageIO
.read(ShootGame.class.getResource("bigplane.png"));
airplane = ImageIO
.read(ShootGame.class.getResource("airplane.png"));
bee = ImageIO.read(ShootGame.class.getResource("bee.png"));
bullet = ImageIO.read(ShootGame.class.getResource("bullet.png"));
hero0 = ImageIO.read(ShootGame.class.getResource("hero0.png"));
hero1 = ImageIO.read(ShootGame.class.getResource("hero1.png"));
pause = ImageIO.read(ShootGame.class.getResource("pause.png"));
EnemyBullet= ImageIO.read(ShootGame.class.getResource("EnemyBullet.png"));
gameover = ImageIO
.read(ShootGame.class.getResource("gameover.png"));
start = ImageIO
.read(ShootGame.class.getResource("start.png"));
for(int i=0; i<4; i++){
beeEmber[i] = ImageIO.read(
ShootGame.class.getResource("bee_ember"+i+".png"));
airplaneEmber[i] = ImageIO.read(
ShootGame.class.getResource("airplane_ember"+i+".png"));
bigPlaneEmber[i] = ImageIO.read(
ShootGame.class.getResource("bigplane_ember"+i+".png"));
heroEmber[i] = ImageIO.read(
ShootGame.class.getResource("hero_ember"+i+".png"));
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void paint(Graphics g) {
g.drawImage(background, 0, 0, null); // 画背景图
paintEmber(g);
paintHero(g); // 画英雄机
paintBullets(g); // 画子弹
paintFlyingObjects(g); // 画飞行物
paintScore(g); // 画分数
paintState(g); // 画游戏状态
paintEnemyBullets(g);//画敌机子弹
}
/** 画英雄机 */
public void paintHero(Graphics g) {
g.drawImage(hero.getImage(), hero.getX(), hero.getY(), null);
}
public void paintEmber(Graphics g) {
for (int i = 0; i < embers.length; i++) {
Ember e = embers[i];
g.drawImage(e.getImage(), e.getX(), e.getY(), null);
}
}
/** 画子弹 */
public void paintBullets(Graphics g) {
for (int i = 0; i < bullets.length; i++) {
Bullet b = bullets[i];
if(! b.isBomb())
g.drawImage(b.getImage(), b.getX() - b.getWidth() / 2, b.getY(),
null);
}
}
public void paintEnemyBullets(Graphics g) {
for(int i=0;i下面实现数据库的连接，首先编写将分数写入数据库的方法，在src重新建一个包，包里写写入分数的方法。
package DAO;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import util.DBUtil;
public class DAO {
/*
* 增加分数的方法
*/
public static void save(int score) throws Exception{
PreparedStatement ps=null;
Connection conn = null;
try{
conn = DBUtil.getConnection();
String sql ="INSERT INTO mydb2(score) values(?)";
ps = conn.prepareStatement(sql);
ps.setInt(1,score);
ps.executeUpdate();
}catch(SQLException e){
e.printStackTrace();
}finally{
DBUtil.close(conn);
}
}
}然后连接数据库
package util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DBUtil {
public static void main(String[]args) throws Exception{
Connection conn = DBUtil.getConnection();
System.out.println(conn);
DBUtil.close(conn);
}
public static void close(Connection conn){
try{
if(conn != null){
conn.close();
}
}catch(SQLException e){
e.printStackTrace();
}
}
public static Connection getConnection() throws Exception{
//System.out.println("112");
Connection conn = null;
//1.注册驱动（加载驱动）
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;DatabaseName=数据库名字","sa", "********");
//System.out.println("123");
// try{
// Class.forName("com.microsoft.sqlserver.jdbc.Driver");
// System.out.println("111");
// //2.建立连接
// conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1443/mydb2","sa","the1012secret");
// System.out.println("111");
// }catch(ClassNotFoundException e){
// //System.out.println("注册驱动");
// }catch(SQLException e){
// e.printStackTrace();
// }
return conn;
}
}