java新手练习：模拟五人游戏框架代码

一时失言乱红尘 2022-02-25 01:06 224阅读 0赞

### 文章目录 ###

*  主代码
 *  英雄类
 *  运行效果

**游戏背景：** 假设需要创建一个模拟五人组队游戏的框架  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70]

# 主代码 #

package www.heima;
    
    import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils;
    
    import java.io.*;
    import java.time.chrono.HijrahEra;
    import java.util.ArrayList;
    import java.util.Scanner;
    /* * * @aothor cds * @create 2019/3/31 - 9:07 */
    
    public class Game5Persion { 
        private static ArrayList<hero> heroArrayList;
    
        public static void main(String[] args) throws IOException { 
            //1.创建一个集合，用来存储五个英雄
            ArrayList<hero> HeroList = new ArrayList<>();
    
    // 2.读文件，把数据加载到内存中
            loadFriends(HeroList);
    
    // 3.判断内容是不是新的
            boolean isNew = HeroList.isEmpty();
            System.out.println("判断有没有好友:" + isNew);
    
    // 如果是新的，创建五个对象加入集合中
                    if(isNew){ 
    
    // System.out.println(" 加入五个新队友 ");
                addHeros(HeroList);
            }
    
    // 如果不是新的，无需创建，直接开始
    
    // 4.开始游戏
            System.out.println("游戏开始");
    // 输出英雄阵容，信息
            showHeros(HeroList);
            System.out.println("showFightingCapacity(HeroList) = " + showFightingCapacity(HeroList));
    
    
    // 5.游戏结束
    
            System.out.println( "游戏结束");
    
    // 6.判断是不是原始阵容是不是新的
    // 是新的
            if(isNew) { 
                saveFriends(HeroList);
                System.out.println("新阵容，加好友");
            }else { 
    // 不是新的
                System.out.println(" 已经是好友，无需加好友");
            }
    // 7.退出游戏
            System.out.println("\"退出游戏\" = " + "退出游戏");
    
        }
    
        //添加新英雄
        private static void addHeros(ArrayList<hero> HeroList){ 
            Scanner sc = new Scanner(System.in);
            for (int i = 1 ; i < 6 ; i++ ){ 
                System.out.println("添加第" + i +"位新英雄：格式为String name, int attckt, String type： " );
                String line = sc.nextLine();
                String[] arr = line.split(",");
                String name = arr[0];
                int attckt = Integer.parseInt(arr[1]);
                String type = arr[2];
    // String name = sc.next();
    // int attckt = sc.nextInt();
    // String type = sc.next();
                HeroList.add(new hero(name,attckt,type));
            }
    
            System.out.println("组队成功 ");
        }
    
    // 展示英雄
        public static void showHeros(ArrayList<hero> Herolist){ 
            int i = 1;
            for (hero heros:Herolist
                 ) { 
                System.out.println("heros = " + heros);
            }
        }
    
    // 计算总攻击力
        public static int showFightingCapacity(ArrayList<hero> Herolist) { 
            int num = 0;
            for (hero heros : Herolist) { 
                num += heros.getAttckt();
            }
            return num;
        }
    
    // 将好友信息写入文件
        public static void saveFriends(ArrayList<hero> heroesList) throws IOException { 
            try (BufferedWriter bw = new BufferedWriter(new FileWriter("friends.txt"))) { 
                for (hero heros : heroesList
                ) { 
                    bw.write(heros.toString());
                    bw.newLine();
                }
            }
        }
    
    
        // 定义方法，读取文件，数据加载到集合中
        static void loadFriends(ArrayList<hero> heroArrayList) throws IOException { 
    // Game5Persion.heroArrayList = heroArrayList;
            try (BufferedReader br = new BufferedReader(new FileReader("friends.txt"))) { 
                String line;
                while ((line = br.readLine()) != null){ 
                    String[] arr = line.split(",");
                    String name = arr[0];
                    int atackt = Integer.parseInt(arr[1]);
                    String type = arr[2];
                    heroArrayList.add(new hero(name,atackt,type));
                }
            }
    
        }
    
    }

# 英雄类 #

package www.heima;
    
    /** * @aothor cds * @create 2019/3/31 - 9:08 */
    public class hero { 
        private String name;
        private int attckt;
        private String type;
    
        public hero() { 
        }
    
        public hero(String name, int attckt, String type) { 
            this.name = name;
            this.attckt = attckt;
            this.type = type;
        }
    
        public String getName() { 
            return name;
        }
    
        public int getAttckt() { 
            return attckt;
        }
    
        public String getType() { 
            return type;
        }
    
        public void setName(String name) { 
            this.name = name;
        }
    
        public void setAttckt(int attckt) { 
            this.attckt = attckt;
        }
    
        public void setType(String type) { 
            this.type = type;
        }
    
        @Override
        public String toString() { 
            return  "name = " + name + "," + attckt + ",type = " + type;
    // "name='" + name + '\'' +
    // ", attckt=" + attckt +
    // ", type='" + type ;
        }
    }

# 运行效果 #

**friends.txt中没有预录信息时：**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70 1]

**friends.txt中有预录信息时：**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70]: /images/20220225/7d7d7f37aef04e509c4e8e2d61f00a52.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70 1]: /images/20220225/d3701057b3d64460954dc2b8542f0691.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70 2]: /images/20220225/196be7da40c845f79ba0e60a55422136.png