classroom-music-activation/miniprogram/custom-tab-bar/index.ts

// custom-tab-bar/index.ts
Component({

  /**
   * 组件的属性列表
   */
  properties: {

  },

  /**
   * 组件的初始数据
   */
  data: {
    selected: 0,
    paths: ['pages/index/index', 'pages/orders/orders']
  },

  /**
   * 组件的方法列表
   */
  methods: {
    switchTab(e: any) {
      const data = e.currentTarget.dataset
      // const url = data.path
      // wx.switchTab({url})
      // this.setData({
      //   selected: data.index
      // })
      console.log(e, 'data', data, this.data.paths[Number(data.id)])
      const path = this.data.paths[Number(data.id)]
      wx.switchTab({ path })
      this.setData({
        selected: data.id
      })
    }
  }
})