微信小程序 动态改变默认菜单 tabbar 的值

wx.setTabBarItem({

index: 0, 

text: 'home',

iconPath: '/path/to/iconPath',

selectedIconPath: '/path/to/selectedIconPath'

})

 

详情参考微信小程序API

https://developers.weixin.qq.com/miniprogram/dev/api/wx.showNavigationBarLoading.html