feat: 添加生命值系统

- 新增 StorageManager 本地存储管理器，管理用户生命值
- 新用户默认 10 点生命值，存储在 localStorage
- 查看提示消耗 1 点生命值
- 通关奖励 1 点生命值
- PageLevel 集成生命值显示和消耗逻辑

assets/prefabs/PageLevel.prefab

@@ -1612,7 +1612,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -220,
+      "x": -180,
       "y": 0,
       "z": 0
     },
@@ -1653,7 +1653,7 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 160,
+      "width": 320,
       "height": 100.8
     },
     "_anchorPoint": {
@@ -1689,7 +1689,7 @@
       "b": 0,
       "a": 255
     },
-    "_string": "这是",
+    "_string": "答案是：",
     "_horizontalAlign": 1,
     "_verticalAlign": 1,
     "_actualFontSize": 80,
@@ -1771,7 +1771,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -150,
+      "x": -70,
       "y": 0,
       "z": 0
     },
@@ -1904,7 +1904,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -110,
+      "x": -30,
       "y": 41.081,
       "z": 0
     },
@@ -6023,6 +6023,9 @@
     "clockLabel": {
       "__id__": 48
     },
+    "liveLabel": {
+      "__id__": 30
+    },
     "levelConfigs": [
       {
         "__id__": 250

assets/prefabs/PageLevel.ts

@@ -1,6 +1,7 @@
 import { _decorator, Node, EditBox, instantiate, Vec3, Button, Label, Sprite, SpriteFrame, AudioClip, AudioSource } from 'cc';
 import { BaseView } from 'db://assets/scripts/core/BaseView';
 import { ViewManager } from 'db://assets/scripts/core/ViewManager';
+import { StorageManager } from 'db://assets/scripts/utils/StorageManager';
 const { ccclass, property } = _decorator;
 
 /**
@@ -70,6 +71,9 @@ export class PageLevel extends BaseView {
     @property(Label)
     clockLabel: Label | null = null;
 
+    @property(Label)
+    liveLabel: Label | null = null;
+
     // ========== 配置属性 ==========
     @property([LevelConfig])
     levelConfigs: LevelConfig[] = [];
@@ -104,6 +108,7 @@ export class PageLevel extends BaseView {
      */
     onViewLoad(): void {
         console.log('[PageLevel] onViewLoad');
+        this.updateLiveLabel();
         this.initLevel();
         this.initIconSetting();
         this.initUnlockButtons();
@@ -116,6 +121,7 @@ export class PageLevel extends BaseView {
      */
     onViewShow(): void {
         console.log('[PageLevel] onViewShow');
+        this.updateLiveLabel();
     }
 
     /**
@@ -480,6 +486,17 @@ export class PageLevel extends BaseView {
      * 点击解锁线索
      */
     private onUnlockClue(index: number): void {
+        // 检查生命值是否足够
+        if (!this.hasLives()) {
+            console.warn('[PageLevel] 生命值不足，无法解锁线索');
+            return;
+        }
+
+        // 消耗一颗生命值
+        if (!this.consumeLife()) {
+            return;
+        }
+
         // 播放点击音效
         this.playClickSound();
 
@@ -607,6 +624,50 @@ export class PageLevel extends BaseView {
         // 可以在这里添加游戏结束逻辑
     }
 
+    // ========== 生命值相关方法 ==========
+
+    /**
+     * 更新生命值显示
+     */
+    private updateLiveLabel(): void {
+        if (this.liveLabel) {
+            const lives = StorageManager.getLives();
+            this.liveLabel.string = `x ${lives}`;
+            console.log(`[PageLevel] 更新生命值显示: ${lives}`);
+        }
+    }
+
+    /**
+     * 消耗一颗生命值（用于查看提示）
+     * @returns 是否消耗成功
+     */
+    private consumeLife(): boolean {
+        const success = StorageManager.consumeLife();
+        if (success) {
+            this.updateLiveLabel();
+            console.log('[PageLevel] 消耗一颗生命');
+        } else {
+            console.warn('[PageLevel] 生命值不足，无法消耗');
+        }
+        return success;
+    }
+
+    /**
+     * 增加一颗生命值（用于通关奖励）
+     */
+    private addLife(): void {
+        StorageManager.addLife();
+        this.updateLiveLabel();
+        console.log('[PageLevel] 获得一颗生命');
+    }
+
+    /**
+     * 检查是否有足够的生命值
+     */
+    private hasLives(): boolean {
+        return StorageManager.hasLives();
+    }
+
     // ========== 答案提交与关卡切换 ==========
 
     /**
@@ -641,6 +702,9 @@ export class PageLevel extends BaseView {
         // 播放成功音效
         this.playSuccessSound();
 
+        // 通关奖励：增加一颗生命值
+        this.addLife();
+
         // 延迟后进入下一关
         this.scheduleOnce(() => {
             this.nextLevel();

assets/scripts/utils/StorageManager.ts

@@ -0,0 +1,87 @@
+import { sys } from 'cc';
+
+/**
+ * 本地存储管理器
+ * 统一管理用户数据的本地持久化存储
+ */
+export class StorageManager {
+    /** 生命值存储键 */
+    private static readonly KEY_LIVES = 'game_lives';
+
+    /** 默认生命值 */
+    private static readonly DEFAULT_LIVES = 10;
+
+    /** 最小生命值 */
+    private static readonly MIN_LIVES = 0;
+
+    // ==================== 生命值管理 ====================
+
+    /**
+     * 获取当前生命值
+     * @returns 当前生命值，新用户返回默认值 10
+     */
+    static getLives(): number {
+        const stored = sys.localStorage.getItem(StorageManager.KEY_LIVES);
+        if (stored === null || stored === '') {
+            // 新用户，设置默认值
+            StorageManager.setLives(StorageManager.DEFAULT_LIVES);
+            return StorageManager.DEFAULT_LIVES;
+        }
+        const lives = parseInt(stored, 10);
+        // 防止异常数据
+        if (isNaN(lives) || lives < 0) {
+            StorageManager.setLives(StorageManager.DEFAULT_LIVES);
+            return StorageManager.DEFAULT_LIVES;
+        }
+        return lives;
+    }
+
+    /**
+     * 设置生命值
+     * @param lives 生命值
+     */
+    static setLives(lives: number): void {
+        const validLives = Math.max(StorageManager.MIN_LIVES, lives);
+        sys.localStorage.setItem(StorageManager.KEY_LIVES, validLives.toString());
+        console.log(`[StorageManager] 生命值已更新: ${validLives}`);
+    }
+
+    /**
+     * 消耗一颗生命
+     * @returns 是否消耗成功（生命值不足时返回 false）
+     */
+    static consumeLife(): boolean {
+        const currentLives = StorageManager.getLives();
+        if (currentLives <= 0) {
+            console.warn('[StorageManager] 生命值不足，无法消耗');
+            return false;
+        }
+        StorageManager.setLives(currentLives - 1);
+        return true;
+    }
+
+    /**
+     * 增加一颗生命
+     */
+    static addLife(): void {
+        const currentLives = StorageManager.getLives();
+        StorageManager.setLives(currentLives + 1);
+        console.log(`[StorageManager] 获得一颗生命，当前生命值: ${currentLives + 1}`);
+    }
+
+    /**
+     * 检查是否有足够的生命值
+     * @returns 是否有生命值
+     */
+    static hasLives(): boolean {
+        return StorageManager.getLives() > 0;
+    }
+
+    /**
+     * 重置生命值为默认值
+     */
+    static resetLives(): void {
+        StorageManager.setLives(StorageManager.DEFAULT_LIVES);
+        console.log('[StorageManager] 生命值已重置为默认值');
+    }
+}

assets/scripts/utils/StorageManager.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "3a09bd59-6481-4e26-8b61-c6e4b0003e59",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}