mili_mini/components/tabBar/tabBar.js

// components/tabBar/tabBar.js
const app = getApp()
Component({
	// 纯数据字段规则
	options: {
		pureDataPattern: /^_/
	},

	// 组件的属性列表
	properties: {
		_tabBarInd: {
			type: Number,
			value: 0
		}
	},

	/**
	 * 组件的初始数据
	 */
	data: {
		isFullscreen: false,
		navList: [{
				name: "首页", //文本
				current: 0, //是否是当前页，0不是  1是
				style: 0, //样式
				typea: "https://api.zhumi.tech/MiniProgram/image/home.png", //不同图标
				typec: "https://api.zhumi.tech/MiniProgram/image/homec.png",
				fn: 'index'
			},
			{
				name: "课程",
				current: 0,
				style: 0,
				typea: "https://api.zhumi.tech/MiniProgram/image/course.png", //不同图标
				typec: "https://api.zhumi.tech/MiniProgram/image/coursec.png",
				fn: 'packages'
			},
			{
				// name: "超人妈妈学院",
				current: 0,
				style: 2,
				ico: '',
        fn: 'supermama'
			},
			{
				name: "活动",
				current: 0,
				style: 0,
				typea: "https://api.zhumi.tech/MiniProgram/image/promotion.png", //不同图标
				typec: "https://api.zhumi.tech/MiniProgram/image/promotionc.png",
        fn: 'promotion'
			}, {
				name: "我的",
				current: 0,
				style: 0,
				typea: "https://api.zhumi.tech/MiniProgram/image/mine.png", //不同图标
				typec: "https://api.zhumi.tech/MiniProgram/image/minec.png",
				fn: 'mine'
			}
		]
	},

	lifetimes: {
		attached: function() {
			this.SetNavList()
		}
	},
	// 旧式的定义方式，可以保持对 <2.2.3 版本基础库的兼容
	attached: function() {
		this.SetNavList()
	},
	ready:function() {
		let full = wx.getStorageSync('isFullscreen');
		// console.log(full)
		this.setData({
			isFullscreen: full
		})
	},
	methods: {
		// 设置tabbar数据
		SetNavList: function() {
			let index = this.data._tabBarInd
			let deletedtodo = 'navList[' + index + ']'
			this.setData({
				[deletedtodo + '.current']: 1,
				[deletedtodo + '.style']: index != 2 ? 1 : 2,
				[deletedtodo + '.fn']: ''
			})
		},
		// tabbar跳转页面
		gotoPage: function(event) {
			let str = event.currentTarget.dataset.fn
      let url = `/pages/${str}/${str}`
      app.gopage(url)
		}
	}
})