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