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  • 第五章项目:QuickHit

    需求概述:

          根据输入速率和正确率将玩家分为不同级别,级别越高,一次显示的字符数越多,玩家正确输入一次的得分也越高。如果玩家在规定时间内完成规定次数的输入,正确率达到规定要求,则玩家升级(为了简单起见,规定用户只要错误一次,则游戏结束)。最高为6级,刚开始一律1级。

    案例覆盖的技能点:

         面向对象设计的思想

         使用类图理解类的关系

         类的封装

         构造方法的使用

         this和static关键字的使用

    需要用到的类:

         玩家(Player)类:当前级别号(levelNo),当前级别积分(currScore),当前级别开始时间(startTime),当前级别已用时间(elapsedTime)

         级别(Level)类:级别编号(LevelNo),各级别一次输出的字符串长度(strLength),输出次数(strTime),闯关限制时间(timeLimit),正确输入得分(perScore)

         LevelParam类:定义一个长度为6的Level数组,用来存放各级别的具体参数信息

         游戏(Game)类:Player对象的属性,两个方法,printStr(用来随机输出字符串),printResult(用来比较输出参数和输入参数和计算)

    Player类

    package quickhit;
    
    import java.util.Scanner;
    
    public class Player {
        //属性
        public int levelNo;
        public int curScore;
        public long startTime;
        public int elapsedTime;
        
        //有参构造
        public Player(int levelNo, int curScore, long startTime, int elapsedTime) {
            this.levelNo = levelNo;
            this.curScore = curScore;
            this.startTime = startTime;
            this.elapsedTime = elapsedTime;
        }
     
        //无参构造
        public Player() {
            
        }
    
    
    
        public int getLevelNo() {
            return levelNo;
        }
    
        public void setLevelNo(int levelNo) {
            this.levelNo = levelNo;
        }
    
        public int getCurScore() {
            return curScore;
        }
    
        public void setCurScore(int curScore) {
            this.curScore = curScore;
        }
    
        public long getStartTime() {
            return startTime;
        }
    
        public void setStartTime(long startTime) {
            this.startTime = startTime;
        }
    
        public int getElapsedTime() {
            return elapsedTime;
        }
    
        public void setElapsedTime(int elapsedTime) {
            this.elapsedTime = elapsedTime;
        }
    
        //玩游戏的方法
        public void play(){
            //调用game的带参.this代表Player属性
            Game game=new Game(this);
            Scanner input=new Scanner(System.in);
            
            for (int i = 0; i <LevelParam.level.length; i++) {
                //晋级
                this.levelNo+=1;
                //晋级后计时清零
                this.startTime=System.currentTimeMillis();
                this.curScore=0;
                //满级通关
                if(levelNo==6){
                    System.out.println("通关..........");
                    break;
                }
                //内层循环,输出输入比较
                for (int j = 0; j < LevelParam.level[levelNo-1].getStrTimes(); j++) {
                    //输出字符串
                    String outStr=game.printStr();
                    //接收用户输入字符串
                    String inStr=input.next();
                    //调用game的printResult方法,对比
                    game.printResult(outStr, inStr);
                }           
                
            }
    } }

    Level类

    package quickhit;
    
    public class Level {
    
        public int levelNo;
        public int strLength;
        public int strTimes;
        public int timeLimit;
        public int perScore;
        public int getLevelNo() {
            return levelNo;
        }
        public void setLevelNo(int levelNo) {
            this.levelNo = levelNo;
        }
        public int getStrLength() {
            return strLength;
        }
        public void setStrLength(int strLength) {
            this.strLength = strLength;
        }
        public int getStrTimes() {
            return strTimes;
        }
        public void setStrTimes(int strTimes) {
            this.strTimes = strTimes;
        }
        public int getTimeLimit() {
            return timeLimit;
        }
        public void setTimeLimit(int timeLimit) {
            this.timeLimit = timeLimit;
        }
        public int getPerScore() {
            return perScore;
        }
        public void setPerScore(int perScore) {
            this.perScore = perScore;
        }
    
            //无参
        public Level(){
            
        }
          
            //带参
        public Level(int levelNo, int strLength, int strTimes, int timeLimit,
                int perScore) {
            this.levelNo = levelNo;
            this.strLength = strLength;
            this.strTimes = strTimes;
            this.timeLimit = timeLimit;
            this.perScore = perScore;
        }
        
        
    }

    LevelParam类

    package quickhit;
    
    public class LevelParam {
    
        public final static Level level[]=new Level[6];
        
        static{
            level[0]=new Level(1,2,10,30,1);
            level[1]=new Level(2,3,9,26,2);
            level[2]=new Level(3,4,8,22,5);
            level[3]=new Level(4,5,7,18,8);
            level[4]=new Level(5,6,6,15,10);
            level[5]=new Level(6,7,2,12,15);
        }
    }

    Game类

    package quickhit;
    
    import java.util.Random;
    
    
    public class Game {
        
        public Player player;
        
    
        public Player getPlayer() {
            return player;
        }
    
        public void setPlayer(Player player) {
            this.player = player;
        }
    
        public Game(Player player) {
            this.player = player;
        }
        public Game(){
            
        }
    
        public String printStr(){
            //定义一个int类型的对应各级编号应输出字符串的长度
            int strLength=LevelParam.level[player.getLevelNo()-1].getStrLength();
            StringBuffer buffer=new StringBuffer();
            //生成随机
            Random random=new Random();
            for (int i = 0; i <strLength ; i++) {
                int rand=random.nextInt(strLength);
                switch(rand){
                case 0:
                    buffer.append(">");
                    break;
                case 1:
                    buffer.append("<");
                    break;
                case 2:
                    buffer.append("*");
                    break;
                case 3:
                    buffer.append("&");
                    break;
                case 4:
                    buffer.append("%");
                    break;
                case 5:
                    buffer.append("#");
                    break;
                }
            }
            //输出
            String str=buffer.toString();
            System.out.println(str);
            return str;
        }
        
        public void printResult(String out,String in){
            
            long currentTime=System.currentTimeMillis();
            //判断是否一致
            if(out.equals(in)){
            //判断是否超时
            if((currentTime-player.getStartTime())/1000>LevelParam.level[player.getLevelNo()-1].getTimeLimit()){
                System.out.println("太慢了吧!~");
                System.exit(1);
            }else{
            
            //计算当前积分
            player.setCurScore(player.getCurScore()+LevelParam.level[player.getLevelNo()-1].getPerScore());
            //计算时间
            player.setElapsedTime((int)(currentTime-player.getStartTime())/1000);
            //输出级别,积分和时间
            System.out.println("输入正确,您的级别"+player.getLevelNo()+"积分"+player.curScore+"已用时间"+player.getElapsedTime());
            }
            }else{
                System.out.println("输入错误........");
                System.exit(1);
            }
        }
    }

    测试类

    package quickhit;
    
    public class Test {
        
        public static void main(String[] args) {
            Player player=new Player();
            player.play();                        
        }
    
    }

    游戏效果

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  • 原文地址:https://www.cnblogs.com/hr1997/p/5539469.html
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