实现游戏数据到数据库的存储

backend/src/main/java/com/kob/backend/consumer/WebSocketServer.java

@@ -5,6 +5,7 @@ package com.kob.backend.consumer;
 import com.alibaba.fastjson2.JSONObject;
 import com.kob.backend.consumer.utils.Game;
 import com.kob.backend.consumer.utils.JwtAuthenticationUtil;
+import com.kob.backend.mapper.RecordMapper;
 import com.kob.backend.mapper.UserMapper;
 import com.kob.backend.pojo.User;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -32,6 +33,8 @@ public class WebSocketServer {
     private static final CopyOnWriteArraySet<User> matchPool = new CopyOnWriteArraySet<>();
     // 在 WebSocketServer 中注入数据库的方法演示-> 使用 static 定义为独一份的变量
     private static UserMapper userMapper;
+    // 注入 RecordMapper 用于调用实现游戏数据到数据库的存储
+    public static RecordMapper recordMapper;
     // 后端向前端发送信息,首先需要创建一个 session
     private Session session = null;
     // 用户信息:定义一个成员变量
@@ -45,6 +48,11 @@ public class WebSocketServer {
         WebSocketServer.userMapper = userMapper;
     }
 
+    @Autowired
+    public void setRecordMapper(RecordMapper recordMapper) {
+        WebSocketServer.recordMapper = recordMapper;
+    }
+
 
     // @OnOpen 创建链接时自动触发这个函数
     @OnOpen
@@ -150,8 +158,7 @@ public class WebSocketServer {
         // user.getId() 是获取当前链接的用户 id
         if (game.getPlayerA().getId().equals(user.getId())) {
             game.setNextStepA(direction);
-        }
-        else if(game.getPlayerB().getId().equals(user.getId())){
+        } else if (game.getPlayerB().getId().equals(user.getId())) {
             game.setNextStepB(direction);
         }
     }

backend/src/main/java/com/kob/backend/consumer/utils/Game.java

@@ -2,12 +2,11 @@ package com.kob.backend.consumer.utils;
 
 import com.alibaba.fastjson2.JSONObject;
 import com.kob.backend.consumer.WebSocketServer;
+import com.kob.backend.pojo.Record;
 
 import javax.swing.event.InternalFrameEvent;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-import java.util.Random;
+import java.sql.Time;
+import java.util.*;
 import java.util.concurrent.locks.ReentrantLock;
 
 // 用来管理整个游戏流程:这里需要多线程
@@ -62,6 +61,23 @@ public class Game extends Thread {
         return inner_walls_count;
     }
 
+    private String getGameMapString(){
+        StringBuilder res = new StringBuilder();
+        // 将地图数据展开成一维
+/*        for (int i = 0; i < rows; i++) {
+            for (int j = 0; j < cols; j++) {
+                res.append(g[i][j]);
+            }
+        }*/
+        for (int[] row:g){
+            for(int col:row){
+                res.append(col);
+            }
+        }
+
+        return res.toString();
+    }
+
     public void setNextStepA(Integer nextStepA) {
         // 为了防止两方读写冲突,需要加线程锁之后操作 nextStep 值
         lock.lock();
@@ -273,6 +289,27 @@ public class Game extends Thread {
         }
     }
 
+    // 将游戏结果存到数据库中
+    private void saveToDataBase(){
+        Record record = new Record(
+                null,
+                playerA.getId(),
+                playerA.getSx(),
+                playerA.getSy(),
+                playerB.getId(),
+                playerB.getSx(),
+                playerB.getSy(),
+                playerA.getStepsString(),
+                playerB.getStepsString(),
+                getGameMapString(),
+                loser,
+                new Date()
+        );
+
+        WebSocketServer.recordMapper.insert(record);
+    }
+
+
     // 向两个 Client 公布结果
     private void sendResult() {
         lock.lock();
@@ -283,6 +320,8 @@ public class Game extends Thread {
             // 将最后碰撞时的蛇的眼睛指向传给前端
             resp.put("a_eyes_finally_direction", nextStepA);
             resp.put("b_eyes_finally_direction", nextStepB);
+            // 发送结果之前,先将结果存到数据库中
+            saveToDataBase();
             sendAllMessage(resp.toJSONString());
         } finally {
             lock.unlock();

backend/src/main/java/com/kob/backend/consumer/utils/Player.java

@@ -48,4 +48,14 @@ public class Player {
         }
         return res;
     }
+
+    // steps 转换为 string 的辅助函数
+    public String getStepsString() {
+        StringBuilder res = new StringBuilder();
+        for (int d : steps) {
+            res.append(d);
+        }
+
+        return res.toString();
+    }
 }

backend/src/main/java/com/kob/backend/mapper/RecordMapper.java

@@ -0,0 +1,9 @@
+package com.kob.backend.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.kob.backend.pojo.Record;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface RecordMapper extends BaseMapper<Record> {
+}

backend/src/main/java/com/kob/backend/pojo/Bot.java

@@ -1,4 +1,5 @@
 // 用于将 Mysql 表 Bot 转换为 class
+// 数据库中 user_id 这种在 pojo 里要命名为 userId
 package com.kob.backend.pojo;
 
 import com.baomidou.mybatisplus.annotation.IdType;

backend/src/main/java/com/kob/backend/pojo/Record.java

@@ -0,0 +1,34 @@
+package com.kob.backend.pojo;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Date;
+import java.util.Timer;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Record {
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    private Integer aId;
+    private Integer aSx;
+    private Integer aSy;
+    private Integer bId;
+    private Integer bSx;
+    private Integer bSy;
+
+    private String aSteps;
+    private String bSteps;
+    private String map;
+    private String loser;
+
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "Asia/Shanghai")
+    private Date createtime;
+}