实现对局录像页面

backendcloud/backend/src/main/java/com/kob/backend/config/MybatisConfig.java

@@ -0,0 +1,18 @@
+// 用于实现对局记录的分页功能
+package com.kob.backend.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MybatisConfig {
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        return interceptor;
+    }
+}

backendcloud/backend/src/main/java/com/kob/backend/controller/record/GetRecordListController.java

@@ -0,0 +1,24 @@
+package com.kob.backend.controller.record;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.kob.backend.service.record.GetRecordListService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Map;
+
+@RestController
+public class GetRecordListController {
+    @Autowired
+    private GetRecordListService getRecordListService;
+
+    // 这里只需要获取,因此只需要用 get 方法(需要新建和修改数据时,使用 post 方法)
+    @GetMapping("/record/getlist/")
+    public JSONObject getList(@RequestParam Map<String, String> data) {
+        // 解析出 page 信息
+        Integer page = Integer.parseInt(data.get("page_index"));
+        return getRecordListService.getList(page);
+    }
+}

backendcloud/backend/src/main/java/com/kob/backend/service/impl/record/GetRecordListServiceImpl.java

@@ -0,0 +1,68 @@
+// 实现对局信息分页发送
+package com.kob.backend.service.impl.record;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.kob.backend.mapper.RecordMapper;
+import com.kob.backend.mapper.UserMapper;
+import com.kob.backend.pojo.Record;
+import com.kob.backend.pojo.User;
+import com.kob.backend.service.record.GetRecordListService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.LinkedList;
+import java.util.List;
+
+@Service
+public class GetRecordListServiceImpl implements GetRecordListService {
+    @Autowired
+    private RecordMapper recordMapper;
+
+    @Autowired
+    private UserMapper userMapper;  // 注入 UserMapper 用于查询用户名和用户头像
+
+    @Override
+    public JSONObject getList(Integer page) {
+        // 使用 Mybatis API : IPage 实现
+        IPage<Record> recordIPage = new Page<>(page, 10);    // 参数列表:Page<>(传第几页, 每一页有多少项目)
+        QueryWrapper<Record> queryWrapper = new QueryWrapper<>();
+        queryWrapper.orderByDesc("id"); // 通过 record 的 id 降序排序
+        List<Record> records = recordMapper.selectPage(recordIPage, queryWrapper).getRecords();
+
+
+        JSONObject resp = new JSONObject();
+        List<JSONObject> items = new LinkedList<>();
+        for (Record record : records) { // 枚举对局记录
+            // 获取用户 A 和 B
+            User userA = userMapper.selectById(record.getAId());
+            User userB = userMapper.selectById(record.getBId());
+
+            // 取出 A 和 B 的用户名和头像信息
+            String aName = userA.getUsername(), bName = userB.getUsername();
+            String aPhoto = userA.getPhoto(), bPhoto = userB.getPhoto();
+
+            String winner = "平局!";  // 定义赢家
+
+            // 将 A 和 B 的用户名和头像信息存到 jsonObject 对象 item 中
+            JSONObject item = new JSONObject();
+            item.put("a_username", aName);
+            item.put("a_photo", aPhoto);
+            item.put("b_username", bName);
+            item.put("b_photo", bPhoto);
+            if ("A".equals(record.getLoser())) winner = userB.getUsername() + " 胜";
+            else if ("B".equals(record.getLoser())) winner = userA.getUsername() + " 胜";
+            item.put("winner", winner); // 存入赢家信息
+            item.put("record", record); // 存入对战信息
+            // 将 jsonObject 对象 item 中,添加到 items 列表中
+            items.add(item);
+        }
+
+        resp.put("records", items); // 将 items 信息存入 records 中
+        resp.put("records_count", recordMapper.selectCount(null));  // 存入当前记录页面的总数
+
+        return resp;
+    }
+}

backendcloud/backend/src/main/java/com/kob/backend/service/record/GetRecordListService.java

@@ -0,0 +1,8 @@
+package com.kob.backend.service.record;
+
+import com.alibaba.fastjson2.JSONObject;
+
+public interface GetRecordListService {
+    // 参数:分页面列表编号
+    JSONObject getList(Integer page);
+}

web/src/assets/scripts/GameMap.js

@@ -163,40 +163,72 @@ export class GameMap extends AcGameObject {
 
   // 添加监听:用于绑定键盘输入,以便获取用户操作控制蛇
   add_listening_events() {
-    // 聚焦到获取输入的画布页面
+    // 如果是录像,则从数据库中的数据信息(历史存储的操作步骤)获取输入,并将之前的对局回放;如果不是录像,则获取用户输入
-    this.ctx.canvas.focus();
+    if (this.store.state.record.is_record) {
+      let k = 0;
+      const a_steps = this.store.state.record.a_steps; // 取出两条蛇的历史步骤
+      const b_steps = this.store.state.record.b_steps;
+      const loser = this.store.state.record.record_loser;
+      const [snake0, snake1] = this.snakes; // 取两条蛇的信息
+      // setInterval 用于设定执行间隔
+      const interval_id = setInterval(() => {
+        if (k >= a_steps.length - 1) {
+          // 如果下一步要死亡,则将死亡的蛇标记一下(最后一步不做移动,因此使用 steps.length - 1; 最后一步可以用来判断蛇眼方向)
+          // 修改最后一步(检测到碰撞后)蛇的眼睛方向
+          snake0.eye_direction = parseInt(a_steps[k]);
+          snake1.eye_direction = parseInt(b_steps[k]);
+          if (loser === "all" || loser === "A") {
+            snake0.status = "die";
+          }
+          if (loser === "all" || loser === "B") {
+            snake1.status = "die";
+          }
+          // 死亡后要取消循环
+          clearImmediate(interval_id);
+        } else {
+          snake0.set_direction(parseInt(a_steps[k])); // 修改下一步的运动方向
+          snake1.set_direction(parseInt(b_steps[k]));
+          k++; // 递增下一步
+        }
+      }, 300); // 每 300 毫秒获取下一步并执行一次
+    } else {
+      // 聚焦到获取输入的画布页面
+      this.ctx.canvas.focus();
 
-    // 先取出两条蛇对象
+      // 先取出两条蛇对象
-    // const [snake0, snake1] = this.snakes;
+      // const [snake0, snake1] = this.snakes;
 
-    // 获取用户信息:绑定 keydown 事件
+      // 获取用户信息:绑定 keydown 事件
-    this.ctx.canvas.addEventListener("keydown", (e) => {
+      this.ctx.canvas.addEventListener("keydown", (e) => {
-      // 取出移动的方向,需要将方向传给后端
+        // 取出移动的方向,需要将方向传给后端
-      let d = -1; // -1 表示没有方向, 0-上, 1-右, 2-下, 3-左
+        let d = -1; // -1 表示没有方向, 0-上, 1-右, 2-下, 3-左
 
-      // 定义 snake0 的键盘绑定事件
+        // 定义 snake0 的键盘绑定事件
-      if (e.key === "w") d = 0;
+        if (e.key === "w") d = 0;
-      else if (e.key === "d") d = 1;
+        else if (e.key === "d") d = 1;
-      else if (e.key === "s") d = 2;
+        else if (e.key === "s") d = 2;
-      else if (e.key === "a") d = 3;
+        else if (e.key === "a") d = 3;
 
-      // 如果进行了合法的移动操作:向后端发送方向
+        // 如果进行了合法的移动操作:向后端发送方向
-      if(d>=0){
+        if (d >= 0) {
-        // 使用 socket.send() 传递信息给后端,使用 JSON.stringify() 将一个 JSON 封装成一字符串
+          // 使用 socket.send() 传递信息给后端,使用 JSON.stringify() 将一个 JSON 封装成一字符串
-        this.store.state.pk.socket.send(JSON.stringify({
+          this.store.state.pk.socket.send(
-          event: "move",  // 事件类型: move
+            JSON.stringify({
-          direction : d,  // 方向: d
+              event: "move", // 事件类型: move
-        }))
+              direction: d, // 方向: d
-      }
+            })
+          );
+        }
 
-      /*
+        /*
        // 定义 snake1 的键盘绑定事件(前端调试时启用)
       else if (e.key === "ArrowUp") snake1.set_direction(0);
       else if (e.key === "ArrowRight") snake1.set_direction(1);
       else if (e.key === "ArrowDown") snake1.set_direction(2);
       else if (e.key === "ArrowLeft") snake1.set_direction(3);
       */
-    });
+      });
+    }
   }
 
   start() {

web/src/assets/scripts/Snake.js

@@ -19,7 +19,7 @@ export class Snake extends AcGameObject {
     this.cells = [new Cell(info.r, info.c)];
     this.next_cell = null; // 下一步的目标位置
 
-    this.speed = 5; // 蛇的速度:每秒走五个格子
+    this.speed = 5; // 蛇的速度:每秒走五个格子,每一步需要 200 ms
 
     // 定义蛇下一步的指令相关属性
     // -1 表示没有指令, 0、 1、 2、 3 表示上右下左方向

web/src/router/index.js

@@ -3,6 +3,7 @@ import { createRouter, createWebHistory } from "vue-router";
 import PkIndexView from "../views/pk/PkIndexView.vue";
 import RanklistIndexView from "../views/ranklist/RanklistIndexView.vue";
 import RecordIndexView from "../views/record/RecordIndexView.vue";
+import RecordContentView from "../views/record/RecordContentView.vue";
 import UserBotIndexView from "../views/user/bot/UserBotIndexView.vue";
 import NotFound from "../views/error/NotFound.vue";
 import UserAccountLoginView from "@/views/user/account/UserAccountLoginView.vue";
@@ -47,6 +48,15 @@ const routes = [
       requestAuth: true,
     },
   },
+  {
+    // 展示录像内容: :recordId 作为参数
+    path: "/record/:recordId/",
+    name: "record_content",
+    component: RecordContentView,
+    meta: {
+      requestAuth: true,
+    },
+  },
   {
     path: "/user/bot/",
     name: "user_bot_index",

web/src/store/index.js

@@ -2,6 +2,7 @@ import { createStore } from "vuex";
 import ModuleUser from "./user";
 import ModuleBot from './bot';
 import ModulePk from './pk';
+import ModuleRecord from './record';
 
 export default createStore({
   state: {},
@@ -12,5 +13,6 @@ export default createStore({
     user: ModuleUser,
     bot: ModuleBot,
     pk: ModulePk,
+    record: ModuleRecord,
   },
 });

web/src/store/record.js

@@ -0,0 +1,46 @@
+import $ from "jquery";
+import store from ".";
+
+export default {
+  state: {
+    is_record: false, // 当前页面是不是录像页面
+    a_steps: "", // a 玩家的路径记录
+    b_steps: "",
+    record_loser: "",
+  },
+  getters: {},
+  mutations: {
+    updateIsRecord(state, is_record) {
+      state.is_record = is_record;
+    },
+    updateSteps(state, data) {
+      state.a_steps = data.a_steps;
+      state.b_steps = data.b_steps;
+    },
+    updateRecordLoser(state, loser) {
+      state.record_loser = loser;
+    },
+  },
+  actions: {
+    getRecordList(context, data) {
+      // 获取 Bot 列表
+      $.ajax({
+        url: "http://localhost:3000/record/getlist/",
+        data: {
+          page_index: data.page,
+        },
+        type: "GET",
+        headers: {
+          Authorization: "Bearer " + store.state.user.token,
+        },
+        success(resp) {
+          data.success(resp);
+        },
+        error(resp) {
+          data.error(resp);
+        },
+      });
+    },
+  },
+  modules: {},
+};

web/src/views/pk/PkIndexView.vue

@@ -37,6 +37,7 @@ export default {
       })
 
       store.commit("updateLoser", "none");
+      store.commit("updateIsRecord", false); // 将 is_record 改为 false, 表示当前页面不是录像页面
 
       // 新建 WebSocket
       socket = new WebSocket(socketUrl);
@@ -89,7 +90,7 @@ export default {
           snake1.eye_direction = data.b_eyes_finally_direction;
 
           // 更新 loser 信息,存储到全局 store 中
-          store.commit("updateLoser",data.loser);
+          store.commit("updateLoser", data.loser);
 
           // 更新 loser 的 snake 对象 status 状态
           if (data.loser === "all" || data.loser === "A") {

web/src/views/ranklist/RanklistIndexView.vue

@@ -1,5 +1,5 @@
 <template>
-  <ContentBase>对局列表</ContentBase>
+  <ContentBase>排行榜</ContentBase>
 </template>
 
 <script>

web/src/views/record/RecordContentView.vue

@@ -0,0 +1,18 @@
+<template>
+    <PlayGround />
+</template>
+  
+<script>
+import PlayGround from "../../components/PlayGround.vue";
+
+export default {
+    components: {
+        PlayGround,
+    },
+    setup() {
+    }
+};
+</script>
+  
+<style scoped></style>
+  

web/src/views/record/RecordIndexView.vue

@@ -1,15 +1,208 @@
 <template>
-  <ContentBase>排行榜</ContentBase>
+  <ContentBase>
+    <table class="table table-striped" style="text-align:center">
+      <!-- <table class="table table-success table-striped" style="text-align:center"> -->
+      <!-- <table class="table table-sm" style="text-align:center"> -->
+      <!-- 创建表头: th 表示列 -->
+      <thead>
+        <th>玩家A</th>
+        <th>玩家B</th>
+        <th>赢家</th>
+        <th>对局时间</th>
+        <th></th>
+      </thead>
+      <!-- 创建表身: tr 表示行; &nbsp 表示一个空格 -->
+      <tbody class="table-group-divider">
+        <tr v-for="record in records" :key="record.record.id" style="text-align:center">
+          <td>
+            <img :src="record.a_photo" alt="" class="record-user-photo">
+            &nbsp;
+            <span class="record-user-username"> {{ record.a_username }}</span>
+          </td>
+          <td>
+            <img :src="record.b_photo" alt="" class="record-user-photo">
+            &nbsp;
+            <span class="record-user-username"> {{ record.b_username }}</span>
+          </td>
+          <td>
+            {{ record.winner }}
+          </td>
+          <td>{{ record.record.createtime }}</td>
+          <td>
+            <button type="button" class="btn btn-warning btn-sm"
+              @click="open_record_content(record.record.id)">观看录像</button>
+          </td>
+        </tr>
+      </tbody>
+    </table>
+
+    <!-- <nav aria-label="...">
+        <ul class="pagination" style="float: right;">
+            <li class="page-item" @click="click_page(-2)">
+                <a class="page-link" href="#">前一页</a>
+            </li>
+            <li :class="'page-item ' + page.is_active" v-for="page in pages" :key="page.number" @click="click_page(page.number)">
+                <a class="page-link" href="#">{{ page.number }}</a>
+            </li>
+            <li class="page-item" @click="click_page(-1)">
+                <a class="page-link" href="#">后一页</a>
+            </li>
+        </ul>
+        </nav> -->
+
+
+
+    <!-- Pagination 分页 -->
+    <nav aria-label="Page navigation example">
+      <ul class="pagination justify-content-center">
+        <li class="page-item" @click="click_page(-2)">
+          <a class="page-link" href="#" aria-label="Previous">
+            <span aria-hidden="true">&laquo;</span>
+          </a>
+        </li>
+        <li :class="'page-item ' + page.is_active" v-for="page in pages" :key="page.number"
+          @click="click_page(page.number)">
+          <a class="page-link" href="#">{{ page.number }}</a>
+        </li>
+        <li class="page-item" @click="click_page(-1)">
+          <a class="page-link" href="#" aria-label="Next">
+            <span aria-hidden="true">&raquo;</span>
+          </a>
+        </li>
+      </ul>
+    </nav>
+  </ContentBase>
 </template>
 
 <script>
 import ContentBase from "../../components/ContentBase.vue";
+import { useStore } from 'vuex';
+import { ref } from "vue";
+import router from "@/router/index";
 
 export default {
   components: {
     ContentBase,
   },
+  setup: () => {
+    const store = useStore();
+    let records = ref([]);
+    let current_page = 1; // 定义初始页面序号
+    let total_records = 0;  // 对局数量
+    let pages = ref([]);  // 页面
+
+
+    const click_page = page => {
+      if (page === -2) page = current_page - 1; // 前一页
+      else if (page === -1) page = current_page + 1;  // 后一页
+      // 判断 page 合法性
+      let max_pages = parseInt(Math.ceil(total_records / 10));
+
+      if (page >= 1 && page <= max_pages) {
+        pull_page(page);
+      }
+    }
+
+
+    const update_pages = () => {  // 更新页面
+      let max_pages = parseInt(Math.ceil(total_records / 10));  // ceil 上取整
+      let new_pages = [];
+      for (let i = current_page - 2; i <= current_page + 2; i++) {  // 分 5 页: current_page 分别向上向下 -2
+        if (i >= 1 && i <= max_pages) {
+          new_pages.push({
+            number: i,
+            is_active: i === current_page ? "active" : "",  // 页面序号标签是否被激活:如果选中页是当前页,则激活(active)
+          });
+        }
+      }
+      pages.value = new_pages;
+    }
+
+    const pull_page = (page) => { // 加载分页
+      current_page = page;  // 更新页面序号
+
+      store.dispatch("getRecordList", {
+        page,
+        success(resp) {
+          console.log(resp.records);
+          records.value = resp.records;
+          total_records = resp.records_count;
+          update_pages(); // 更新分页
+        },
+        error(resp) {
+          console.log(resp);
+        }
+      })
+    };
+
+    // 将 map 从字符串转化成二维数组
+    const stringTo2D = (map, rows, cols) => {
+      let g = [];
+      for (let i = 0, k = 0; i < rows; i++) {
+        let line = [];
+        for (let j = 0; j < cols; j++) {
+          if (map[k] === '0') line.push(0);
+          else line.push(1);
+          k++;
+        }
+        g.push(line);
+      }
+      return g;
+    }
+
+    // 打开对局录像的方法
+    const open_record_content = recordId => {
+      for (const record of records.value) {
+        if (record.record.id === recordId) {
+          store.commit("updateIsRecord", true); // 当前页面是录像页面
+          // 传出 record 中的地图信息
+          store.commit("updateGameMap", {
+            game_map: stringTo2D(record.record.map, record.record.mapRows, record.record.mapCols),  // 将地图字符串转换为 2D 数组后,再更新存储
+            rows: record.record.mapRows,
+            cols: record.record.mapCols,
+            inner_walls_count: record.record.innerWallsCount,
+            a_id: record.record.aid,
+            a_sx: record.record.asx,
+            a_sy: record.record.asy,
+            b_id: record.record.bid,
+            b_sx: record.record.bsx,
+            b_sy: record.record.bsy,
+          });
+          store.commit("updateSteps", {  // 更新本次对局的 step(操作步骤) 信息
+            a_steps: record.record.asteps,
+            b_steps: record.record.bsteps,
+          });
+          store.commit("updateRecordLoser", record.record.loser);
+          console.log(store.state.pk);
+          console.log(store.state.record);
+          router.push({  // 路由跳转(在 router->index.js 中有定义)
+            name: "record_content",
+            params: {
+              recordId: recordId,
+            }
+          });
+          break;
+        }
+      }
+    }
+
+    pull_page(current_page);
+
+    return {
+      records,
+      open_record_content,
+      pages,
+      click_page,
+    }
+  }
 };
 </script>
 
-<style scoped></style>
+<style scoped>
+.record-user-photo {
+  border-radius: 50%;
+  width: 5vh;
+}
+
+.record-user-username {}
+</style>