fu-xi-dian-shang-xiaochengxu/app.js at main · asset-income-app/fu-xi-dian-shang-xiaochengxu · GitHub

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App({
  globalData: {
    userInfo: null,
    systemInfo: null,
    cartCount: 0,
    isLogin: false
  },

  onLaunch() {
    // 初始化云开发
    if (!wx.cloud) {
      console.error('请使用 2.2.3 或以上的基础库以使用云能力')
    } else {
      wx.cloud.init({
        env: 'your-env-id',
        traceUser: true
      })
    }

    // 获取系统信息
    this.getSystemInfo()

    // 检查登录状态
    this.checkLoginStatus()

    // 初始化购物车数据
    this.initCartData()

    console.log('富硒电商小程序启动成功')
  },

  onShow() {
    // 更新购物车数量
    this.updateCartCount()
  },

  // 获取系统信息
  getSystemInfo() {
    wx.getSystemInfo({
      success: (res) => {
        this.globalData.systemInfo = res
      }
    })
  },

  // 检查登录状态
  checkLoginStatus() {
    const token = wx.getStorageSync('token')
    const userInfo = wx.getStorageSync('userInfo')
    if (token && userInfo) {
      this.globalData.isLogin = true
      this.globalData.userInfo = userInfo
    }
  },

  // 初始化购物车数据
  initCartData() {
    const cart = wx.getStorageSync('cart') || []
    this.globalData.cartCount = cart.reduce((sum, item) => sum + item.count, 0)
  },

  // 更新购物车数量
  updateCartCount() {
    const cart = wx.getStorageSync('cart') || []
    const count = cart.reduce((sum, item) => sum + item.count, 0)
    this.globalData.cartCount = count

    // 更新 tabBar 徽章
    if (count > 0) {
      wx.setTabBarBadge({
        index: 2,
        text: String(count > 99 ? '99+' : count)
      })
    } else {
      wx.removeTabBarBadge({ index: 2 })
    }
  },

  // 全局登录方法
  login() {
    return new Promise((resolve, reject) => {
      wx.getUserProfile({
        desc: '用于完善用户资料',
        success: (res) => {
          const userInfo = res.userInfo
          this.globalData.userInfo = userInfo
          this.globalData.isLogin = true
          wx.setStorageSync('userInfo', userInfo)
          wx.setStorageSync('token', 'mock_token_' + Date.now())
          resolve(userInfo)
        },
        fail: reject
      })
    })
  },

  // 全局退出登录
  logout() {
    this.globalData.userInfo = null
    this.globalData.isLogin = false
    wx.removeStorageSync('userInfo')
    wx.removeStorageSync('token')
  }
})