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utils/store.js

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+/**
+ * 全局状态管理器
+ * 提供应用级数据管理和状态同步
+ */
+
+class Store {
+  constructor() {
+    this.state = {
+      userInfo: null,
+      isLogin: false,
+      favoriteCourses: [],
+      gpaCourses: [],
+      schedule: {},
+      countdowns: [],
+      settings: {
+        theme: 'light',
+        notifications: true,
+        language: 'zh-CN'
+      }
+    }
+    this.listeners = []
+    this.init()
+  }
+
+  /**
+   * 初始化：从本地存储恢复状态
+   */
+  init() {
+    try {
+      const savedState = wx.getStorageSync('appState')
+      if (savedState) {
+        this.state = { ...this.state, ...savedState }
+      }
+    } catch (e) {
+      console.error('状态初始化失败:', e)
+    }
+  }
+
+  /**
+   * 获取状态
+   */
+  getState(key) {
+    if (key) {
+      return this.state[key]
+    }
+    return this.state
+  }
+
+  /**
+   * 设置状态
+   */
+  setState(key, value) {
+    if (typeof key === 'object') {
+      // 批量更新
+      this.state = { ...this.state, ...key }
+    } else {
+      this.state[key] = value
+    }
+    
+    this.notify()
+    this.persist()
+  }
+
+  /**
+   * 订阅状态变化
+   */
+  subscribe(listener) {
+    this.listeners.push(listener)
+    return () => {
+      const index = this.listeners.indexOf(listener)
+      if (index > -1) {
+        this.listeners.splice(index, 1)
+      }
+    }
+  }
+
+  /**
+   * 通知所有订阅者
+   */
+  notify() {
+    this.listeners.forEach(listener => {
+      try {
+        listener(this.state)
+      } catch (e) {
+        console.error('状态通知失败:', e)
+      }
+    })
+  }
+
+  /**
+   * 持久化到本地存储
+   */
+  persist() {
+    try {
+      wx.setStorageSync('appState', this.state)
+    } catch (e) {
+      console.error('状态持久化失败:', e)
+    }
+  }
+
+  /**
+   * 清空状态
+   */
+  clear() {
+    this.state = {
+      userInfo: null,
+      isLogin: false,
+      favoriteCourses: [],
+      gpaCourses: [],
+      schedule: {},
+      countdowns: [],
+      settings: {
+        theme: 'light',
+        notifications: true,
+        language: 'zh-CN'
+      }
+    }
+    this.persist()
+    this.notify()
+  }
+}
+
+// 创建全局实例
+const store = new Store()
+
+module.exports = {
+  store
+}