school_meal_wxapp/components/l-noticebar/index.js

// components/l-noticebar/index.js
Component({
  attached () { this._init(); },
  pageLifetimes: { show () { this._init() } },
  properties: {

  },

  /**
   * 组件的初始数据
   */
  data: {
    active: 0,
    time: 8000,
  },

  /**
   * 组件的方法列表
   */
  methods: {
    _init () {
      wx.lxd = wx.lxd || {}, wx.lxd.NoticeBar = e => {
        e.datalist = e.datalist.map((item, index) => {
          index == 0 ? item["active"] = true : item["active"] = false;
          return item;
        })
        this.setData({
          ...e
        })
      }
    },
    success (e) {
      let { datalist } = this.data, { index } = e.currentTarget.dataset;
      wx.navigateTo({
        url: datalist[index]["url"],
      })
    }
  }
})