soul-yongping/miniprogram/custom-tab-bar/index.js

/**
 * Soul创业实验 - 自定义TabBar组件
 * 根据后台配置动态显示/隐藏"找伙伴"按钮
 */

console.log('[TabBar] ===== 组件文件开始加载 =====')

const app = getApp()
console.log('[TabBar] App 对象:', app)

Component({
  data: {
    selected: 0,
    color: '#8e8e93',
    selectedColor: '#00CED1',
    matchEnabled: false, // 找伙伴功能开关，默认关闭
    list: [
      {
        pagePath: '/pages/index/index',
        text: '首页',
        iconType: 'home'
      },
      {
        pagePath: '/pages/chapters/chapters',
        text: '目录',
        iconType: 'list'
      },
      {
        pagePath: '/pages/match/match',
        text: '找伙伴',
        iconType: 'match',
        isSpecial: true
      },
      {
        pagePath: '/pages/my/my',
        text: '我的',
        iconType: 'user'
      }
    ]
  },

  lifetimes: {
    attached() {
      console.log('[TabBar] Component attached 生命周期触发')
      this.loadFeatureConfig()
    },
    ready() {
      console.log('[TabBar] Component ready 生命周期触发')
      // 如果 attached 中没有成功加载，在 ready 中再次尝试
      if (this.data.matchEnabled === undefined || this.data.matchEnabled === null) {
        console.log('[TabBar] 在 ready 中重新加载配置')
        this.loadFeatureConfig()
      }
    }
  },
  
  // 页面加载时也调用（兼容性更好）
  attached() {
    console.log('[TabBar] attached() 方法触发')
    this.loadFeatureConfig()
  },

  methods: {
    // 加载功能配置
    async loadFeatureConfig() {
      try {
        console.log('[TabBar] 开始加载功能配置...')
        console.log('[TabBar] API地址:', app.globalData.baseUrl + '/api/miniprogram/config')
        
        // app.request 的第一个参数是 url 字符串，第二个参数是 options 对象
        const res = await app.request('/api/miniprogram/config', {
          method: 'GET'
        })
        
     
        // 兼容两种返回格式
        let matchEnabled = false
        
        if (res && res.success && res.features) {
          console.log('[TabBar] features配置:', JSON.stringify(res.features))
          matchEnabled = res.features.matchEnabled === true
          console.log('[TabBar] matchEnabled值:', matchEnabled)
        } else if (res && res.configs && res.configs.feature_config) {
          // 备用格式：从 configs.feature_config 读取
          console.log('[TabBar] 使用备用格式，从configs读取')
          matchEnabled = res.configs.feature_config.matchEnabled === true
          console.log('[TabBar] matchEnabled值:', matchEnabled)
        } else {
          console.log('[TabBar] ⚠️ 未找到features配置，使用默认值false')
          console.log('[TabBar] res对象keys:', Object.keys(res || {}))
        }
        
        this.setData({ matchEnabled }, () => {
          console.log('[TabBar] ✅ matchEnabled已设置为:', this.data.matchEnabled)
          // 配置加载完成后，根据当前路由设置选中状态
          this.updateSelected()
        })
        
        // 如果当前在找伙伴页面，但功能已关闭，跳转到首页
        if (!matchEnabled) {
          const pages = getCurrentPages()
          const currentPage = pages[pages.length - 1]
          if (currentPage && currentPage.route === 'pages/match/match') {
            console.log('[TabBar] 找伙伴功能已关闭，从match页面跳转到首页')
            wx.switchTab({ url: '/pages/index/index' })
          }
        }
      } catch (error) {
        console.log('[TabBar] ❌ 加载功能配置失败:', error)
        console.log('[TabBar] 错误详情:', error.message || error)
        // 默认关闭找伙伴功能
        this.setData({ matchEnabled: false }, () => {
          this.updateSelected()
        })
      }
    },

    // 根据当前路由更新选中状态
    updateSelected() {
      const pages = getCurrentPages()
      if (pages.length === 0) return
      
      const currentPage = pages[pages.length - 1]
      const route = currentPage.route
      
      let selected = 0
      const { matchEnabled } = this.data
      
      // 根据路由匹配对应的索引
      if (route === 'pages/index/index') {
        selected = 0
      } else if (route === 'pages/chapters/chapters') {
        selected = 1
      } else if (route === 'pages/match/match') {
        selected = 2
      } else if (route === 'pages/my/my') {
        selected = matchEnabled ? 3 : 2
      }
      
      this.setData({ selected })
    },

    switchTab(e) {
      const data = e.currentTarget.dataset
      const url = data.path
      const index = data.index
      
      if (this.data.selected === index) return
      
      wx.switchTab({ url })
    }
  }
})