wxappb2b/GuangZuan/miniprogram/componets/custom-tab-bar/index.ts

// componets/custom-tab-bar/index.ts
Component({
  /**
   * 组件的属性列表
   */
  properties: {

  },

  /**
   * 组件的初始数据
   */
  data: {
    active: 0,
    list: [{
      icon: 'home-o',
      text: '首页',
      url: '/pages/home/home/home'
    },
    {
      icon: 'search',
      text: '钻石圈',
      url: '/pages/circle/circle/circle'
    },
    {
      icon: 'search',
      text: '交易',
      url: '/pages/trade/trade/trade'
    },
    {
      icon: 'search',
      text: '我的',
      url: '/pages/mine/mine/mine'
    }]
  },

  /**
   * 组件的方法列表
   */
  methods: {
    onChange(e) {
      this.setData({ active: e.detail });
      console.log(this.data.list[e.detail].url)
			wx.switchTab({
				url: this.data.list[e.detail].url
			});
    },
    
    init() {
			const page = getCurrentPages().pop();
			this.setData({
				active: this.data.list.findIndex(item => item.url === `/${page.route}`)
			});
		}
  }
})